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类似的网站 Globalgemlab.Com
Welcome to GGL
描述: Recognized as one of the world's premier scientific grading laboratories.
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语: English
网站主题: consumer
New England Gemological Laboratory offers Gem and Jewelry appraisal services in Massachusetts (MA) and Connecticut (CT) by our qualified appraisers Cynthia and ...
网站评级:
3.0 / 5.0, 语: English
An independent, international, non-profit organisation dedicated to the identification, treatment, and origin. Services, education, and contact information. Located ...
网站评级:
3.0 / 5.0, 语: English
Santa Fe Jewelers Supply has everthing for your jewelry making needs. Metals, Findings, Tools, Display, and Stones.
网站评级:
3.0 / 5.0, 语: English
Business, research and educational projects in the gemology and jewellery filelds. Software & Hardware for diamond modelling, raytracing and cut optimisation ...
网站评级:
3.0 / 5.0, 语: English
GemResearch Swisslab (GRS) has invented its own high technology portable gemmological laboratory, computerised and with state-of-the-art spectrometers. GRS Heat ...
网站评级:
3.0 / 5.0, 语: English
Produces precious and semi-precious gem and gold jewelry. Dealer locator and photo gallery of sample pendants, pins and earrings.
网站评级:
3.0 / 5.0, 语: English
Wholesale Canadian Diamonds - finest quality ideal cut Canadian diamonds at incredible wholesale diamond prices. Ethically mined Canadian diamonds with a ...
网站评级:
3.0 / 5.0, 语: English
Specializes in origin of color determination for fancy colored diamonds using Raman spectrometer. Offers diamond grading reports and appraisal services.
网站评级:
3.0 / 5.0, 语: English