Pearl Grading Websites

- giaindia.in

The Gemological Institute of America, GIA, is the world's foremost authority in gemology

700,160 $ 960.00

- idlnewyork.com

IDL is the world's authority in gemology, diamond grading and certification, jewelry education, gemology research, diamond and gemstone grading reports and laboratory services.

Not Applicable $ 8.95

- dia-lab.net

Independent Gemological Laboratories is an organization that authenticates and appraises diamonds and other gemstones. Using the latest technologies. Independent Gem Labs analyzes and characterizes both loose stones and mounted jewelry, then issues certificates reporting its findings.

Not Applicable $ 8.95