{"id":1968,"date":"2026-09-08T12:15:23","date_gmt":"2026-09-08T10:15:23","guid":{"rendered":"https:\/\/riddgem.se\/blogg\/?p=1968"},"modified":"2026-09-08T14:43:12","modified_gmt":"2026-09-08T12:43:12","slug":"blogg-gemmologiska-instrument-testa-adelstenar","status":"publish","type":"post","link":"https:\/\/riddgem.se\/blogg\/blogg-gemmologiska-instrument-testa-adelstenar\/","title":{"rendered":"Gemmologiska instrument \u2013 s\u00e5 testar och unders\u00f6ker du \u00e4delstenar"},"content":{"rendered":"<h1 class=\"PDq2pG_selectionAnchorContainer\" data-start=\"223\" data-end=\"239\"><strong data-start=\"223\" data-end=\"239\"><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone wp-image-1970 size-full\" src=\"https:\/\/riddgem.se\/blogg\/wp-content\/uploads\/2026\/09\/Head_instrument_kat_ref.jpg\" alt=\"Presidium Gem Tester II\" width=\"500\" height=\"426\" \/><\/strong><\/h1>\n<p>&nbsp;<\/p>\n<p class=\"PDq2pG_selectionAnchorContainer\" data-start=\"722\" data-end=\"782\"><strong data-start=\"518\" data-end=\"593\">Att arbeta med gemmologiska instrument handlar s\u00e4llan om ett enda test.<\/strong> Att identifiera en \u00e4delsten kr\u00e4ver vanligtvis att flera olika egenskaper unders\u00f6ks.<\/p>\n<p data-start=\"784\" data-end=\"1010\">En gemmologisk unders\u00f6kning bygger p\u00e5 att samla information om stenens olika egenskaper \u2013 exempelvis v\u00e4rmeledningsf\u00f6rm\u00e5ga, elektrisk ledningsf\u00f6rm\u00e5ga, brytningsindex, optiska egenskaper, dimensioner och inneslutningar.<\/p>\n<p data-start=\"1012\" data-end=\"1148\">Med r\u00e4tt instrument g\u00e5r m\u00e5nga av dessa unders\u00f6kningar snabbt att utf\u00f6ra och kan ge viktiga ledtr\u00e5dar om vilken sten man har framf\u00f6r sig.<\/p>\n<p data-start=\"1150\" data-end=\"1492\">Ett av de mest v\u00e4lk\u00e4nda namnen inom omr\u00e5det \u00e4r <strong data-start=\"1197\" data-end=\"1222\">Presidium Instruments<\/strong>, som sedan 1979 utvecklat instrument f\u00f6r testning och m\u00e4tning av diamanter och \u00e4delstenar. F\u00f6retagets produkter anv\u00e4nds idag av bland annat gemmologiska institut, laboratorier, juvelerare, v\u00e4rderare och smyckesf\u00f6retag v\u00e4rlden \u00f6ver.<\/p>\n<h2 class=\"PDq2pG_selectionAnchorContainer\" data-start=\"1494\" data-end=\"1578\">RIDDGEM har varit <strong data-start=\"1512\" data-end=\"1577\">auktoriserad \u00e5terf\u00f6rs\u00e4ljare av Presidium i Sverige sedan 2006<\/strong>.<\/h2>\n<p data-start=\"1580\" data-end=\"1805\">Det inneb\u00e4r att vi under <strong data-start=\"1605\" data-end=\"1614\">20 \u00e5r<\/strong> har f\u00f6ljt utvecklingen fr\u00e5n tidigare generationer av diamant- och \u00e4delstenstestare till dagens instrument f\u00f6r bland annat diamant, moissanit, laboratorieodlad diamant och f\u00e4rgade \u00e4delstenar.<\/p>\n<p><img decoding=\"async\" class=\"alignnone wp-image-1972\" src=\"https:\/\/riddgem.se\/blogg\/wp-content\/uploads\/2026\/09\/presidium_instrument_PGT2_PMuT3_PGCG.webp\" alt=\"Gemmologiska instrument fr\u00e5n Presidium\" width=\"811\" height=\"811\" srcset=\"https:\/\/riddgem.se\/blogg\/wp-content\/uploads\/2026\/09\/presidium_instrument_PGT2_PMuT3_PGCG.webp 1254w, https:\/\/riddgem.se\/blogg\/wp-content\/uploads\/2026\/09\/presidium_instrument_PGT2_PMuT3_PGCG.webp 300w, https:\/\/riddgem.se\/blogg\/wp-content\/uploads\/2026\/09\/presidium_instrument_PGT2_PMuT3_PGCG.webp 1024w, https:\/\/riddgem.se\/blogg\/wp-content\/uploads\/2026\/09\/presidium_instrument_PGT2_PMuT3_PGCG.webp 150w, https:\/\/riddgem.se\/blogg\/wp-content\/uploads\/2026\/09\/presidium_instrument_PGT2_PMuT3_PGCG.webp 768w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/p>\n<p class=\"PDq2pG_selectionAnchorContainer\" data-start=\"1875\" data-end=\"1941\"><em data-start=\"1875\" data-end=\"1941\">Gemmologiska instrument fr\u00e5n Presidium \u2013 hos RIDDGEM sedan 2006.<\/em><\/p>\n<hr data-start=\"1943\" data-end=\"1946\" \/>\n<h2 data-section-id=\"n6j7ft\" data-start=\"1948\" data-end=\"1997\">Presidium \u2013 gemmologiska instrument sedan 1979<\/h2>\n<p data-start=\"1999\" data-end=\"2156\">Presidium Instruments grundades i Singapore 1979 och har under n\u00e4rmare fem decennier utvecklat specialiserade instrument f\u00f6r diamant- och \u00e4delstensbranschen.<\/p>\n<p data-start=\"2158\" data-end=\"2473\">Sortimentet omfattar idag bland annat diamanttestare, testinstrument f\u00f6r f\u00e4rgade \u00e4delstenar, digitala m\u00e4tinstrument, v\u00e5gar och instrument f\u00f6r mer avancerad diamantscreening. Presidium uppger att produkterna s\u00e4ljs i \u00f6ver 40 l\u00e4nder genom fler \u00e4n 130 auktoriserade \u00e5terf\u00f6rs\u00e4ljare.<\/p>\n<p data-start=\"2475\" data-end=\"2604\">En stor del av Presidiums framg\u00e5ng ligger i att g\u00f6ra gemmologiska m\u00e4tmetoder <strong data-start=\"2552\" data-end=\"2603\">snabba, portabla och relativt enkla att anv\u00e4nda<\/strong>.<\/p>\n<p data-start=\"2606\" data-end=\"2651\">Men vad g\u00f6r egentligen de olika instrumenten?<\/p>\n<hr data-start=\"2653\" data-end=\"2656\" \/>\n<h2 data-section-id=\"1gpi1di\" data-start=\"2658\" data-end=\"2687\">Testa diamant och moissanit<\/h2>\n<p data-start=\"2689\" data-end=\"2854\">Diamant har en mycket h\u00f6g v\u00e4rmeledningsf\u00f6rm\u00e5ga. Den egenskapen har l\u00e4nge anv\u00e4nts i elektroniska diamanttestare f\u00f6r att skilja diamant fr\u00e5n m\u00e5nga vanliga imitationer.<\/p>\n<p data-start=\"2856\" data-end=\"2922\">Problemet \u00e4r att <strong data-start=\"2873\" data-end=\"2921\">moissanit ocks\u00e5 har h\u00f6g v\u00e4rmeledningsf\u00f6rm\u00e5ga<\/strong>.<\/p>\n<p data-start=\"2924\" data-end=\"3301\">D\u00e4rf\u00f6r har moderna instrument utvecklats som kombinerar flera m\u00e4tmetoder. Presidium har exempelvis instrument som anv\u00e4nder b\u00e5de termiska och elektriska egenskaper f\u00f6r att skilja mellan diamant, moissanit och andra simulanter. Presidium betonar samtidigt att olika tester har olika begr\u00e4nsningar och att flera metoder kan beh\u00f6va kombineras.<\/p>\n<blockquote data-start=\"601\" data-end=\"1673\">\n<p data-start=\"1615\" data-end=\"1673\">\n<\/blockquote>\n<p data-start=\"783\" data-end=\"1047\"><iframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/jok-mgj9LSU?si=bqIJ7NOISIvqR4A8\" width=\"560\" height=\"315\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n<h2 data-start=\"733\" data-end=\"900\"><a href=\"https:\/\/www.riddgem.se\/presidium-instrument-c-37_311\/bra-pris-presidium-multi-tester-iii-pmut-iii-m%C3%A4ter-och-skiljer-%C3%A4kta-diamanter-fr%C3%A5n-b%C3%A5de-simultanter-och-moissanit-k%C3%B6p-nu-p-10136.html\">Multi Tester III hos RIDDGEM<\/a><\/h2>\n<hr data-start=\"3749\" data-end=\"3752\" \/>\n<h2 data-section-id=\"1x45plr\" data-start=\"3754\" data-end=\"3816\">F\u00e4rgade \u00e4delstenar \u2013 n\u00e4r v\u00e4rmeledningsf\u00f6rm\u00e5gan ger ledtr\u00e5dar<\/h2>\n<p data-start=\"3818\" data-end=\"3869\">Principen kan ocks\u00e5 anv\u00e4ndas p\u00e5 f\u00e4rgade \u00e4delstenar.<\/p>\n<p data-start=\"3871\" data-end=\"4034\">Olika mineral leder v\u00e4rme p\u00e5 olika s\u00e4tt. Genom att m\u00e4ta stenens termiska egenskaper kan ett instrument d\u00e4rf\u00f6r hj\u00e4lpa till att separera olika grupper av \u00e4delstenar.<\/p>\n<p data-start=\"4036\" data-end=\"4089\">Ett klassiskt exempel \u00e4r <strong data-start=\"4061\" data-end=\"4088\">Presidium Gem Tester II<\/strong>.<\/p>\n<p data-start=\"4091\" data-end=\"4373\">Instrumentet anv\u00e4nder v\u00e4rmeledningsf\u00f6rm\u00e5ga och kan separera upp till 16 vanliga typer av f\u00e4rgade \u00e4delstenar. Presidium \u00e4r samtidigt tydliga med en viktig begr\u00e4nsning: instrumentet skiljer inte mellan naturliga och syntetiska f\u00e4rgade \u00e4delstenar.<\/p>\n<p class=\"PDq2pG_selectionAnchorContainer\" data-start=\"4375\" data-end=\"4401\">Det \u00e4r en viktig skillnad.<\/p>\n<p data-start=\"4403\" data-end=\"4558\">Ett resultat som exempelvis pekar mot safir inneb\u00e4r allts\u00e5 inte automatiskt att instrumentet har avgjort om safiren \u00e4r naturlig, syntetisk eller behandlad.<\/p>\n<p data-start=\"952\" data-end=\"1060\"><iframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/MQubIH5svwM?si=InvbJjH1meuUml3b\" width=\"560\" height=\"315\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n<h2><a href=\"https:\/\/www.riddgem.se\/presidium-instrument-c-37_311\/bra-pris-presidium-gem-tester-ii-pgt-ii-testar-diamanter-och-f%C3%A4rgade-%C3%A4delstenar-k%C3%B6p-nu-p-10130.html\">Gem Tester II hos RIDDGEM<\/a><\/h2>\n<hr data-start=\"4786\" data-end=\"4789\" \/>\n<h2 data-section-id=\"lmrl30\" data-start=\"4791\" data-end=\"4833\">Flera gemmologiska instrument ger fler pusselbitar<\/h2>\n<p data-start=\"4835\" data-end=\"4889\">Ett intressant exempel \u00e4r <strong data-start=\"4861\" data-end=\"4888\">Presidium Duo Tester II<\/strong>.<\/p>\n<p data-start=\"4891\" data-end=\"5115\">H\u00e4r kombineras tv\u00e5 testprinciper: v\u00e4rmeledningsf\u00f6rm\u00e5ga och reflektivitetsindex. Instrumentet \u00e4r konstruerat f\u00f6r att ge ytterligare information om stenen genom att anv\u00e4nda b\u00e5da metoderna.<\/p>\n<p data-start=\"5117\" data-end=\"5172\">Det illustrerar en av gemmologins viktigaste principer:<\/p>\n<p data-start=\"5174\" data-end=\"5255\"><strong data-start=\"5174\" data-end=\"5255\">Ju fler relevanta egenskaper vi kan unders\u00f6ka, desto fler pusselbitar f\u00e5r vi.<\/strong><\/p>\n<p data-start=\"5174\" data-end=\"5255\"><iframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/ANGaIdok574?si=_uk1Gu0V0hiakF9b\" width=\"560\" height=\"315\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n<h2 class=\"PDq2pG_selectionAnchorContainer\" data-start=\"5297\" data-end=\"5524\"><a href=\"https:\/\/www.riddgem.se\/presidium-instrument-c-37_311\/bra-pris-presidium-duotester-ii-pdt-ii-skiljer-%C3%A4kta-diamanter-fr%C3%A5n-simultanter-instrumentet-skiljer-ut-f%C3%A4rgade-%C3%A4delstenar-fr%C3%A5n-varandra-k%C3%B6p-nu-p-10131.html\">Duo Tester II hos RIDDGEM<\/a><\/h2>\n<hr data-start=\"5526\" data-end=\"5529\" \/>\n<h1 data-section-id=\"1si6521\" data-start=\"5531\" data-end=\"5573\">M\u00e4ta \u00e4delstenar \u2013 mer \u00e4n bara millimeter<\/h1>\n<p data-start=\"5575\" data-end=\"5710\">\ud83d\udccf Att m\u00e4ta en sten kan l\u00e5ta betydligt enklare \u00e4n att identifiera den \u2013 men exakta dimensioner \u00e4r en viktig del av gemmologiskt arbete.<\/p>\n<p data-start=\"5712\" data-end=\"5792\">Presidium tillverkar b\u00e5de analoga och digitala gauges f\u00f6r m\u00e4tning av \u00e4delstenar.<\/p>\n<p data-start=\"5794\" data-end=\"5984\">Ett digitalt instrument kan exempelvis anv\u00e4ndas f\u00f6r att m\u00e4ta dimensionerna p\u00e5 en slipad sten och, tillsammans med information om slipform och material, hj\u00e4lpa till att uppskatta karatvikten.<\/p>\n<p data-start=\"5986\" data-end=\"6126\">Presidiums Gem Computer Gauge kan m\u00e4ta dimensioner, uppskatta vikt och hantera flera olika slipformer.<\/p>\n<p data-start=\"5986\" data-end=\"6126\"><img decoding=\"async\" class=\"alignnone wp-image-1978\" src=\"https:\/\/riddgem.se\/blogg\/wp-content\/uploads\/2026\/09\/PGCG_main.png\" alt=\"Presidium Gem Computer Gauge\" width=\"555\" height=\"555\" \/><\/p>\n<h2 data-start=\"5986\" data-end=\"6126\"><a href=\"https:\/\/www.riddgem.se\/presidium-instrument-c-37_311\/bra-pris-presidium-gem-computer-gauge-%C3%A4delstensm%C3%A4tare-m%C3%A4ter-exakt-till-1100-mm-och-kan-uppskatta-%C3%A4delstenarnas-vikt-och-identifiera-f%C3%B6r-9-olika-slipningar-k%C3%B6p-nu-p-33973.html\">Presidiums m\u00e4tinstrument hos RIDDGEM<\/a><\/h2>\n<hr data-start=\"6382\" data-end=\"6385\" \/>\n<h2 data-section-id=\"p07zmw\" data-start=\"6387\" data-end=\"6442\">Brytningsindex \u2013 ett klassiskt verktyg inom gemmologi<\/h2>\n<p data-start=\"6444\" data-end=\"6574\">\ud83d\udd2c Ett av de viktigaste optiska k\u00e4nnetecknen hos en \u00e4delsten \u00e4r dess <strong data-start=\"6513\" data-end=\"6531\">brytningsindex<\/strong>, ofta f\u00f6rkortat <strong data-start=\"6548\" data-end=\"6573\">RI \u2013 Refractive Index<\/strong>.<\/p>\n<p data-start=\"6576\" data-end=\"6773\">N\u00e4r ljus passerar mellan olika material \u00e4ndrar det hastighet och riktning. Hur stark denna brytning \u00e4r varierar mellan olika mineral och kan d\u00e4rf\u00f6r anv\u00e4ndas som en viktig ledtr\u00e5d vid identifiering.<\/p>\n<p data-start=\"6775\" data-end=\"7034\">Presidiums digitala <strong data-start=\"6795\" data-end=\"6834\">Refractive Index Meter II (PRIM II)<\/strong> anv\u00e4nder reflekterat ljus f\u00f6r att m\u00e4ta ett brett RI-omr\u00e5de och kan anv\u00e4ndas f\u00f6r att separera olika polerade \u00e4delstenar, diamant, moissanit och diamantsimulanter.<\/p>\n<p data-start=\"6775\" data-end=\"7034\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1982 size-full\" src=\"https:\/\/riddgem.se\/blogg\/wp-content\/uploads\/2026\/09\/Presidium_digital_refractometer_PRIMII.webp\" alt=\"Refractive Index Meter II\" width=\"405\" height=\"405\" srcset=\"https:\/\/riddgem.se\/blogg\/wp-content\/uploads\/2026\/09\/Presidium_digital_refractometer_PRIMII.webp 405w, https:\/\/riddgem.se\/blogg\/wp-content\/uploads\/2026\/09\/Presidium_digital_refractometer_PRIMII.webp 300w, https:\/\/riddgem.se\/blogg\/wp-content\/uploads\/2026\/09\/Presidium_digital_refractometer_PRIMII.webp 150w\" sizes=\"(max-width: 405px) 100vw, 405px\" \/><\/p>\n<h2 data-start=\"6775\" data-end=\"7034\"><a href=\"https:\/\/www.riddgem.se\/presidium-instrument-c-37_311\/bra-pris-presidium-refractive-index-meter-ii-primii-digital-m%C3%A4tare-av-ljusbrytningsindex-hos-%C3%A4delstenar-k%C3%B6p-nu-p-12057.html\">Refractive Index Meter II hos RIDDGEM<\/a><\/h2>\n<hr data-start=\"7213\" data-end=\"7216\" \/>\n<h2 data-section-id=\"1jtp66z\" data-start=\"7218\" data-end=\"7260\">Naturlig eller laboratorieodlad diamant?<\/h2>\n<p data-start=\"7262\" data-end=\"7317\">H\u00e4r har gemmologin f\u00f6r\u00e4ndrats kraftigt under senare \u00e5r.<\/p>\n<p data-start=\"7319\" data-end=\"7570\">En traditionell diamanttestare kan hj\u00e4lpa till att skilja diamant fr\u00e5n m\u00e5nga imitationer \u2013 men en <strong data-start=\"7417\" data-end=\"7462\">laboratorieodlad diamant \u00e4r ocks\u00e5 diamant<\/strong> och har i grunden samma kemiska material och m\u00e5nga av samma fysikaliska egenskaper som en naturlig diamant.<\/p>\n<p data-start=\"7572\" data-end=\"7658\">D\u00e4rf\u00f6r beh\u00f6vs andra metoder f\u00f6r att screena naturliga och laboratorieodlade diamanter.<\/p>\n<p data-start=\"7660\" data-end=\"7964\">Presidium har utvecklat s\u00e4rskilda instrument f\u00f6r detta omr\u00e5de, bland annat <strong data-start=\"7735\" data-end=\"7781\">Synthetic Diamond Screener II, ARI och OTi<\/strong>. Presidiums nuvarande OTi kombinerar optisk och termisk teknik och anv\u00e4nder b\u00e5de termisk konduktivitet och UV-baserad analys i samma instrument.<\/p>\n<p data-start=\"7660\" data-end=\"7964\"><iframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/Dx_Pv-8CKik?si=RE9SYwWJckyaHzjK\" width=\"560\" height=\"315\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n<h2 data-start=\"7660\" data-end=\"7964\"><a href=\"https:\/\/www.riddgem.se\/presidium-instrument-c-37_311\/bra-pris-synthetic-diamond-screener-sds-ii-skiljer-syntetisk-labgrown-diamant-fr%C3%A5n-naturlig-diamant-k%C3%B6p-nu-p-21663.html\">Synthetic Diamond Screener II hos RIDDGEM<\/a><\/h2>\n<hr data-start=\"8212\" data-end=\"8215\" \/>\n<h2 data-section-id=\"c403xs\" data-start=\"8217\" data-end=\"8274\">Ett instrument \u00e4r en del av analysen \u2013 inte hela svaret<\/h2>\n<p data-start=\"8276\" data-end=\"8373\">Ett gemmologiskt instrument b\u00f6r inte ses som en ers\u00e4ttning f\u00f6r en fullst\u00e4ndig gemmologisk analys.<\/p>\n<p data-start=\"8375\" data-end=\"8539\">Olika instrument unders\u00f6ker olika fysikaliska eller optiska egenskaper hos stenen, och resultatet beh\u00f6ver alltid tolkas utifr\u00e5n <strong data-start=\"8503\" data-end=\"8538\">vad instrumentet faktiskt m\u00e4ter<\/strong>.<\/p>\n<p data-start=\"8541\" data-end=\"8614\">F\u00f6r m\u00e5nga unders\u00f6kningar \u00e4r d\u00e4rf\u00f6r kombinationen av flera metoder viktig.<\/p>\n<p data-start=\"8616\" data-end=\"8833\">Ett elektroniskt testinstrument kan vara ett snabbt och v\u00e4rdefullt f\u00f6rsta steg, medan exempelvis lupp eller mikroskop, brytningsindex, fluorescens och andra gemmologiska observationer kan beh\u00f6vas f\u00f6r att komma vidare.<\/p>\n<p data-start=\"8835\" data-end=\"8946\">Vid s\u00e4rskilt sv\u00e5rbed\u00f6mda eller v\u00e4rdefulla material kan analys hos ett gemmologiskt laboratorium vara n\u00f6dv\u00e4ndig.<\/p>\n<p data-start=\"8948\" data-end=\"9187\">Det ligger ocks\u00e5 n\u00e4ra Presidiums egen rekommendation. Exempelvis beskrivs ARI som ett anv\u00e4ndbart initialt test, medan vissa resultat kr\u00e4ver ytterligare tester och observationer eller laboratorieanalys.<\/p>\n<p class=\"PDq2pG_selectionAnchorContainer\" data-start=\"9191\" data-end=\"9208\"><strong data-start=\"9191\" data-end=\"9208\">\ud83d\udcac Simon Says<\/strong><\/p>\n<p data-start=\"9213\" data-end=\"9524\"><em data-start=\"9213\" data-end=\"9524\">\u201cEfter m\u00e5nga \u00e5r med gemmologiska instrument \u00e4r min erfarenhet att det viktigaste inte bara \u00e4r att f\u00e5 ett m\u00e4tv\u00e4rde \u2013 utan att f\u00f6rst\u00e5 vad m\u00e4tv\u00e4rdet faktiskt betyder. Ett bra instrument kan snabbt ge en viktig pusselbit, men gemmologi handlar ofta om att l\u00e4gga ihop flera pusselbitar innan man drar en slutsats.\u201d<\/em><\/p>\n<p data-start=\"9213\" data-end=\"9524\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1983\" src=\"https:\/\/riddgem.se\/blogg\/wp-content\/uploads\/2026\/09\/tube_calcite_dichroscope_04.webp\" alt=\"\" width=\"205\" height=\"234\" \/><\/p>\n<hr data-start=\"9700\" data-end=\"9703\" \/>\n<h2 data-section-id=\"1mrtcv1\" data-start=\"9705\" data-end=\"9750\">Vilket gemmologiskt instrument beh\u00f6ver jag?<\/h2>\n<p>&nbsp;<\/p>\n<p data-start=\"9752\" data-end=\"9804\">Det beror framf\u00f6r allt p\u00e5 <strong data-start=\"9778\" data-end=\"9803\">vad du vill unders\u00f6ka<\/strong>.<\/p>\n<div class=\"group TyagGW_tableContainer\">\n<div class=\"TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\">\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"9806\" data-end=\"10385\">\n<thead data-start=\"9806\" data-end=\"9857\">\n<tr data-start=\"9806\" data-end=\"9857\">\n<th class=\"last:pe-10\" data-start=\"9806\" data-end=\"9818\" data-col-size=\"sm\">Jag vill\u2026<\/th>\n<th class=\"last:pe-10\" data-start=\"9818\" data-end=\"9846\" data-col-size=\"sm\">L\u00e4mplig typ av instrument<\/th>\n<th class=\"last:pe-10\" data-start=\"9846\" data-end=\"9857\" data-col-size=\"sm\">Exempel<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"9872\" data-end=\"10385\">\n<tr data-start=\"9872\" data-end=\"9936\">\n<td data-start=\"9872\" data-end=\"9903\" data-col-size=\"sm\">Kontrollera diamant\/simulant<\/td>\n<td data-start=\"9903\" data-end=\"9920\" data-col-size=\"sm\">Diamanttestare<\/td>\n<td data-start=\"9920\" data-end=\"9936\" data-col-size=\"sm\">Diamond Mate<\/td>\n<\/tr>\n<tr data-start=\"9937\" data-end=\"10009\">\n<td data-start=\"9937\" data-end=\"9968\" data-col-size=\"sm\">Skilja diamant och moissanit<\/td>\n<td data-start=\"9968\" data-end=\"9989\" data-col-size=\"sm\">Kombinerad testare<\/td>\n<td data-start=\"9989\" data-end=\"10009\" data-col-size=\"sm\">Multi Tester III<\/td>\n<\/tr>\n<tr data-start=\"10010\" data-end=\"10085\">\n<td data-start=\"10010\" data-end=\"10041\" data-col-size=\"sm\">Unders\u00f6ka f\u00e4rgade \u00e4delstenar<\/td>\n<td data-start=\"10041\" data-end=\"10068\" data-col-size=\"sm\">Termisk \u00e4delstenstestare<\/td>\n<td data-start=\"10068\" data-end=\"10085\" data-col-size=\"sm\">Gem Tester II<\/td>\n<\/tr>\n<tr data-start=\"10086\" data-end=\"10161\">\n<td data-start=\"10086\" data-end=\"10115\" data-col-size=\"sm\">Kombinera flera egenskaper<\/td>\n<td data-start=\"10115\" data-end=\"10144\" data-col-size=\"sm\">Termisk\/reflektiv testning<\/td>\n<td data-start=\"10144\" data-end=\"10161\" data-col-size=\"sm\">Duo Tester II<\/td>\n<\/tr>\n<tr data-start=\"10162\" data-end=\"10220\">\n<td data-start=\"10162\" data-end=\"10182\" data-col-size=\"sm\">M\u00e4ta stenar exakt<\/td>\n<td data-start=\"10182\" data-end=\"10198\" data-col-size=\"sm\">Digital gauge<\/td>\n<td data-start=\"10198\" data-end=\"10220\" data-col-size=\"sm\">Gem Computer Gauge<\/td>\n<\/tr>\n<tr data-start=\"10221\" data-end=\"10293\">\n<td data-start=\"10221\" data-end=\"10248\" data-col-size=\"sm\">Unders\u00f6ka brytningsindex<\/td>\n<td data-start=\"10248\" data-end=\"10264\" data-col-size=\"sm\">RI-instrument<\/td>\n<td data-start=\"10264\" data-end=\"10293\" data-col-size=\"sm\">Refractive Index Meter II<\/td>\n<\/tr>\n<tr data-start=\"10294\" data-end=\"10385\">\n<td data-start=\"10294\" data-end=\"10331\" data-col-size=\"sm\">Screena naturlig\/labbodlad diamant<\/td>\n<td data-start=\"10331\" data-end=\"10363\" data-col-size=\"sm\">Diamond verification\/screener<\/td>\n<td data-start=\"10363\" data-end=\"10385\" data-col-size=\"sm\">ARI \/ SDS II \/ OTi<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<\/div>\n<\/div>\n<p data-start=\"10387\" data-end=\"10475\">Det \u00e4r d\u00e4rf\u00f6r sv\u00e5rt att s\u00e4ga att det finns <strong data-start=\"10430\" data-end=\"10474\">ett enda \u201cb\u00e4sta\u201d gemmologiskt instrument<\/strong>.<\/p>\n<p data-start=\"10477\" data-end=\"10650\">F\u00f6r den som huvudsakligen arbetar med diamant kan ett instrument vara r\u00e4tt val, medan den som regelbundet unders\u00f6ker f\u00e4rgade \u00e4delstenar kan beh\u00f6va en helt annan kombination.<\/p>\n<hr data-start=\"10652\" data-end=\"10655\" \/>\n<h1 data-section-id=\"19xhpzf\" data-start=\"10657\" data-end=\"10695\">\ud83c\udfac S\u00e5 kombineras olika gemmologiska instrument<\/h1>\n<p class=\"PDq2pG_selectionAnchorContainer\" data-start=\"541\" data-end=\"820\">Ett testinstrument kan ge en snabb f\u00f6rsta indikation, men i praktisk gemmologi kombineras ofta flera metoder. En diamanttestare kan exempelvis skilja diamant fr\u00e5n m\u00e5nga imitationer, medan andra instrument beh\u00f6vs f\u00f6r att skilja moissanit eller screena laboratorieodlade diamanter.<\/p>\n<p data-start=\"825\" data-end=\"1030\">P\u00e5 samma s\u00e4tt kan en f\u00e4rgstensprovare ge viktig information om en \u00e4delstens termiska egenskaper, medan brytningsindex, f\u00f6rstoring och andra observationer kan beh\u00f6vas f\u00f6r att komma vidare i identifieringen.<\/p>\n<p data-start=\"1035\" data-end=\"1196\">Det \u00e4r d\u00e4rf\u00f6r valet av instrument b\u00f6r utg\u00e5 fr\u00e5n <strong data-start=\"1083\" data-end=\"1120\">vilken fr\u00e5ga man f\u00f6rs\u00f6ker besvara<\/strong>, snarare \u00e4n fr\u00e5n tanken att ett enda instrument ska kunna identifiera allt.<\/p>\n<p data-start=\"1035\" data-end=\"1196\">\n<p data-start=\"1035\" data-end=\"1196\"><strong data-start=\"1244\" data-end=\"1255\">Testa \u2192<\/strong> diamant, moissanit, f\u00e4rgade \u00e4delstenar<br data-start=\"1294\" data-end=\"1297\" \/><strong data-start=\"1297\" data-end=\"1307\">M\u00e4ta \u2192<\/strong> dimensioner, viktuppskattning, brytningsindex<br data-start=\"1353\" data-end=\"1356\" \/><strong data-start=\"1356\" data-end=\"1371\">Verifiera \u2192<\/strong> komplettera med flera metoder n\u00e4r resultatet kr\u00e4ver det<\/p>\n<p>&nbsp;<\/p>\n<div style=\"width: 640px;\" class=\"wp-video\"><video class=\"wp-video-shortcode\" id=\"video-1968-1\" width=\"640\" height=\"1138\" preload=\"metadata\" controls=\"controls\"><source type=\"video\/mp4\" src=\"https:\/\/riddgem.se\/blogg\/wp-content\/uploads\/2026\/09\/RIDDGEM_Presidium_Instruments_Short_2026_v2.mp4?_=1\" \/><a href=\"https:\/\/riddgem.se\/blogg\/wp-content\/uploads\/2026\/09\/RIDDGEM_Presidium_Instruments_Short_2026_v2.mp4\">https:\/\/riddgem.se\/blogg\/wp-content\/uploads\/2026\/09\/RIDDGEM_Presidium_Instruments_Short_2026_v2.mp4<\/a><\/video><\/div>\n<p>&nbsp;<\/p>\n<hr data-start=\"11269\" data-end=\"11272\" \/>\n<h2 data-section-id=\"1sg0pxy\" data-start=\"11274\" data-end=\"11308\">RIDDGEM &amp; Presidium \u2013 sedan 2006<\/h2>\n<p data-start=\"11310\" data-end=\"11432\">\ud83d\udd2c <strong data-start=\"11313\" data-end=\"11432\">RIDDGEM \u00e4r auktoriserad \u00e5terf\u00f6rs\u00e4ljare av Presidium i Sverige och har arbetat med Presidiums instrument sedan 2006.<\/strong><\/p>\n<p data-start=\"11434\" data-end=\"11525\">Under dessa 20 \u00e5r har b\u00e5de instrumenten och den gemmologiska marknaden utvecklats kraftigt.<\/p>\n<p data-start=\"11527\" data-end=\"11692\">Nya material, f\u00f6rb\u00e4ttrade testmetoder och inte minst utvecklingen av laboratorieodlade diamanter har gjort behovet av r\u00e4tt instrument och kunskap st\u00f6rre \u00e4n n\u00e5gonsin.<\/p>\n<p data-start=\"11694\" data-end=\"11868\">Hos RIDDGEM hittar du ett brett urval av Presidiums instrument f\u00f6r s\u00e5v\u00e4l professionella anv\u00e4ndare som samlare och andra med ett seri\u00f6st intresse f\u00f6r diamanter och \u00e4delstenar.<\/p>\n<h2 data-start=\"11870\" data-end=\"11929\"><a href=\"https:\/\/www.riddgem.se\/presidium-instrument-c-37_311\/\"><strong data-start=\"11870\" data-end=\"11929\">Se alla Presidium Instrument hos RIDDGEM<\/strong><\/a><\/h2>\n<p data-start=\"11931\" data-end=\"12016\">\ud83d\udc8e <strong data-start=\"11934\" data-end=\"12016\">RIDDGEM \u2013 naturliga diamanter, \u00e4delstenar &amp; gemmologiska instrument sedan 2005<\/strong><\/p>\n<p align=\"centre\">I v\u00e5r butik hittar du alltid \u00e4delstenar och tillbeh\u00f6r av h\u00f6g kvalitet. Bes\u00f6k <a href=\"https:\/\/www.riddgem.se\/\">https:\/\/www.riddgem.se\/<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>&nbsp; Att arbeta med gemmologiska instrument handlar s\u00e4llan om ett enda test. Att identifiera en \u00e4delsten kr\u00e4ver vanligtvis att flera olika egenskaper unders\u00f6ks. En gemmologisk unders\u00f6kning bygger p\u00e5 att samla information om stenens olika egenskaper \u2013 exempelvis v\u00e4rmeledningsf\u00f6rm\u00e5ga, elektrisk ledningsf\u00f6rm\u00e5ga, brytningsindex, optiska egenskaper, dimensioner och inneslutningar. Med r\u00e4tt instrument g\u00e5r m\u00e5nga av dessa unders\u00f6kningar snabbt att utf\u00f6ra och kan ge<\/p>\n","protected":false},"author":1,"featured_media":1969,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[5,2,1],"tags":[],"class_list":["post-1968","post","type-post","status-publish","format-standard","hentry","category-gemmologi","category-instrumentadelstensbehandlingar","category-nytt"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"Guide till gemmologiska instrument f\u00f6r diamant och \u00e4delstenar. 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