Sarin Diamond Manufacturing Products

Sarin Manufacturers products - A worldwide leader in the development of measurement systems for diamond grading, Diamond ...

Sarin Technologies

Manufactures tools for optimisation and grading of rough and polished diamonds.

Provides diamond grading services featuring grading of the diamond cut.

Accredited Gem Appraisers

Diamond grading and other appraisals for the trade and general public. AGA diamond cut grading charts ...

German Gemmological Association

Programs and fees, diamond grading, and enrollment. Site in English and German.

Loose Diamond Wholesale

Every quality diamond from comes with a GIA grading report. You'll Love Your New Diamond.

Global Gemological Laboratory

Offers mini and full diamond grading reports and appraisals for the trade. Located in Bellevue, Washington

GemScan

Offers diamond grading reports and jewelry appraisals. Located in Toronto, Canada.

Diamond Engagement Rings And Buying Information

Diamond Information Center offers a diamond forum discussion, diamond buyer's quiz, books, directory ...

A Diamond Is Forever

The Everlon Diamond Knot Collection is a tribute to the unfailing strength of love. A constant reminder ...

GemLab

Offers diamond grading reports and appraisal services.

Gemological Institute of America, Inc. (GIA)

A nonprofit educational resource for the gem and jewelry industry; offering online and on-campus education, diamond grading and identification ...

Harold Weinstein Gemological Laboratory

Canadian independent gemological laboratory offering diamond grading, gem identification, appraisals, ...

The Diamond Source USA

Sell GIA and EGL certificated fine cut diamonds

Jewelers Vigilance Committee

Not-for-profit trade association whose mission is to maintain the jewelry industry's highest ethical ...

Nationaljeweler.com

National Jeweler brings a global network of jewelry retailers, designers, manufacturers, suppliers and buyers critical industry news and information from coverage of jewelry trade shows and events to breaking jewelry news, jewelry trends, fashion trends, marketing, sales, e-commerce, retail jeweler best practices, jewelry store operations, diamond supply, diamond ...

Northwest Gemological Laboratory and Institute

Provides instruction to jewelers in the art and science of diamond grading and gemstone identification.

Gubelin Gemmological Laboratories

Independent service provides general information on gemstones, ongoing research and lab report services.

San Diego Gemological Laboratory

Independent gemological lab offers identification, grading and appraisal of gems and jewelry. Features ...

Rambaud

Features company profile, products and grading guide, fair information. [English, French]

Ben Dannie

Offers online shopping, customer service links, directions, and knowledge center.

PearlsOnly

Includes a grading guide.

Adamas Gemological Laboratory

Provides technical and gemological appraisal and consulting services to the trade and the public. Services, ...

USA Certed Diamonds

Sells GIA and AGS certified diamonds.

GemResearch Swisslab

Determination of the authenticity and country of origin of a rubies and sapphires. Offers gemstone reports ...