{"product_id":"gempen-premium-diamond-ruby-sapphire-screening","title":"GemPen® Premium – Diamond, Ruby \u0026 Sapphire Screening Instrument","description":"\u003cp\u003eThe GemPen® Premium is a portable professional diamond and gemstone screening instrument designed for gemmologists, jewellers, diamond dealers and gemstone professionals. Using a full-spectrum Xenon UV light source and proprietary USOF – Ultra Spectrum Optical Filtering technology, it helps users observe fluorescence and phosphorescence characteristics that can indicate natural, HPHT and CVD lab-grown diamonds, as well as potential treatments and synthetics in rubies and sapphires.\u003c\/p\u003e\n\u003cp\u003eFor diamonds, the GemPen® Premium works with rough, polished and mounted stones from approximately 0.01 ct to 10.00+ ct and across the D–M colour range. It can rapidly screen hundreds of stones in minutes, making it particularly useful for professional diamond buying, jewellery intake and laboratory environments.\u003c\/p\u003e\n\u003cp\u003eThe Premium version includes Filter 1 plus the complete Filter Kit, providing Filters 2, 3 and LW Filter 4 for more advanced professional screening applications.\u003c\/p\u003e\n\u003cp\u003eKey Features\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eProfessional diamond, ruby \u0026amp; sapphire screening instrument\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eHelps indicate natural, HPHT \u0026amp; CVD lab-grown diamonds\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eHelps indicate HPHT colour enhancement treatment in natural diamonds\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eWorks with rough, polished and mounted gemstones\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eDiamond size range: 0.01 ct to 10.00+ ct\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eDiamond colour range: D–M\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eCapable of screening hundreds of stones in minutes\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eFull-spectrum Xenon UV light source\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eUSOF – Ultra Spectrum Optical Filtering technology\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eIncludes Filters 1, 2, 3 and LW Filter 4\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003ePortable pocket-sized design\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eLithium-ion battery powered\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eUSB rechargeable\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eIncludes travel case\/darkroom for mobile screening\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eAccess to GemPen® Academy\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eDeveloped by a gemmologist for professional gemmological applications\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eDiamond Screening\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eUsing Filter 1, GemPen® Premium helps the user screen diamonds for fluorescence and phosphorescence characteristics associated with:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNatural diamonds\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eHPHT lab-grown diamonds\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eCVD lab-grown diamonds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eIndications of HPHT colour enhancement in natural diamonds\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe included LW Filter 4, when used in combination with Filter 1, provides additional information to help distinguish between naturally fluorescing diamonds, HPHT or CVD lab-grown diamonds and indications of HPHT treatment in natural diamonds.\u003c\/p\u003e\n\u003cp\u003eThe Premium Filter Kit expands the instrument's capabilities beyond diamonds.\u003c\/p\u003e\n\u003cp\u003eFilters 2, 3 and 4 are used in combination with Filter 1 to screen rubies and sapphires for discrepancies in fluorescence and phosphorescence that may indicate synthetic origin or treatment and require further gemmological investigation.\u003c\/p\u003e\n\u003cp\u003eApplications include screening for indications associated with:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSynthetic corundum\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eFlame-fusion \/ Verneuil synthetics\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eHeat treatment\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eBeryllium treatment\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eCobalt treatment\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eGlass filling\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eOther corundum treatments\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eImportant Professional-Use Information\u003c\/p\u003e\n\u003cp\u003eEffective interpretation of ruby and sapphire results requires formal gemmological knowledge, including an understanding of transition elements.\u003c\/p\u003e\n\u003cp\u003eThe GemPen® Premium should always be used alongside other appropriate gemmological instruments when screening rubies and sapphires for synthetic origin or treatments. Its observations can indicate discrepancies requiring further analysis rather than providing a standalone definitive identification.\u003c\/p\u003e\n\u003cp\u003eIncluded Filters\u003c\/p\u003e\n\u003cp\u003eThe GemPen® Premium includes the complete professional filter system:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFilter 1 – Included\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eFilter 2 – Included\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eFilter 3 – Included\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eLW Filter 4 – Included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis is an important distinction of the Premium version, providing the additional filters required for its expanded professional diamond, ruby and sapphire screening applications.\u003c\/p\u003e\n\u003cp\u003eSpecifications\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: GemPen®\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eModel: GemPen® Premium\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eProduct Type: Diamond \u0026amp; Gemstone Screening Instrument\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eDiamond Screening: Natural \/ HPHT \/ CVD indications\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eHPHT Treatment Screening: Yes\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eRuby \u0026amp; Sapphire Screening: Yes, with appropriate filters and professional interpretation\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eDiamond Colour Range: D–M\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eDiamond Size Range: 0.01 ct – 10.00+ ct\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eStone Types: Rough, polished \u0026amp; mounted\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eLight Source: Full-spectrum Xenon UV\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eOptical Technology: USOF – Ultra Spectrum Optical Filtering\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eFilters: Filter 1, Filter 2, Filter 3 \u0026amp; LW Filter 4\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003ePower: Rechargeable lithium-ion battery\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eCharging: USB rechargeable\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eDesign: Portable \/ pocket-sized\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eTravel Case \/ Darkroom: Included\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eGemPen® Academy Access: Included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhy Choose GemPen® Premium?\u003c\/p\u003e\n\u003cp\u003eThe GemPen® Premium combines portability with advanced fluorescence and phosphorescence screening capabilities. Unlike the basic diamond-only workflow, the Premium package includes the complete filter kit, expanding its professional applications to include screening of diamonds, rubies and sapphires.\u003c\/p\u003e\n\u003cp\u003eIts ability to work with rough, polished and mounted gemstones, combined with USB rechargeable operation and the included portable darkroom\/travel case, makes it particularly useful for professionals who need to perform preliminary screening both in the laboratory and in the field.\u003c\/p\u003e\n\u003cp\u003eImportant: GemPen® Premium is a professional screening instrument. Results indicating possible synthetic origin or treatment should be investigated using additional appropriate gemmological testing. Ruby and sapphire interpretation requires suitable gemmological knowledge and training.\u003c\/p\u003e","brand":"I.DAVID Store","offers":[{"title":"Default Title","offer_id":45284057645358,"sku":"DIT-3029","price":3200.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0751\/9309\/0350\/files\/GEOMETRIX-01.jpg?v=1788776477","url":"https:\/\/idavid.be\/products\/gempen-premium-diamond-ruby-sapphire-screening","provider":"I.DAVID","version":"1.0","type":"link"}