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SSEF – Leader in coloured gemstone, diamond and pearl testing and certification
Описание: An independent, international, non-profit organisation dedicated to the identification, treatment, and origin. Services, education, and contact information. Located in Switzerland.
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New England Gemological Laboratory offers Gem and Jewelry appraisal services in Massachusetts (MA) and Connecticut (CT) by our qualified appraisers Cynthia and ...
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Business, research and educational projects in the gemology and jewellery filelds. Software & Hardware for diamond modelling, raytracing and cut optimisation ...
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3.0 / 5.0, Язык: English
Santa Fe Jewelers Supply has everthing for your jewelry making needs. Metals, Findings, Tools, Display, and Stones.
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3.0 / 5.0, Язык: English
Recognized as one of the world's premier scientific grading laboratories.
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3.0 / 5.0, Язык: English
GemResearch Swisslab (GRS) has invented its own high technology portable gemmological laboratory, computerised and with state-of-the-art spectrometers. GRS Heat ...
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3.0 / 5.0, Язык: English
Produces precious and semi-precious gem and gold jewelry. Dealer locator and photo gallery of sample pendants, pins and earrings.
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3.0 / 5.0, Язык: English
Specializes in origin of color determination for fancy colored diamonds using Raman spectrometer. Offers diamond grading reports and appraisal services.
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3.0 / 5.0, Язык: English
Your Town. Your News. Your Take. Local news and discussion forums for every city in the US, thousands of cities throughout the world and 300,000 other topics.
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4.5 / 5.0, Язык: English