ANALYSIS & GRADING Report Check. GIA reports represent the highest standard of reliability, consistency and integrity. And now, GIA Report Check is available for all GIA reports, providing you with an additional level of assurance.

GIA Online Applications

Observations of Oval-, Pear-, and Marquise-Shaped Diamonds: Implications for Fancy Cut Grading. Presents findings from observations of oval-, pear-, and marquise-shaped diamonds, laying the groundwork for a fancy cut grading system.

It is possible to advance your career and keep up with your life and it all starts with the GIA Online Division. You’ll learn using the same curriculum taught on GIA campuses, but you’ll study when it’s convenient for you.

Jan 1, 2000 · For reports dated on or after: January 1, 2000: July 1, 2010: January 1, 2014: February 1, 2015: December 19, 2019: December 19, 2022: Report data: PDF facsimile of ...

Quality gemological instruments for more than 85 years. GIA Instruments works hand-in-hand with GIA’s laboratory, education and research teams, as well as the jewelry trade to develop the instrumentation you need to prepare you for the challenges of tomorrow. You can be assured of precise, problem-free operation and instruments styled to impress your customers.

Richard T. Liddicoat Gemological Library. Search GIA's library catalog of 65,000 books, 230,000 images, 2200 videos, 1200 periodicals, and the renowned Cartier Rare Book Repository and Archive.

分析とグレーディング レポート チェック. giaのレポートは信頼性、一貫性と整合性の最高水準を象徴します。

The GIA App contains a wealth of diamond resources, including 4Cs interactive tools, and expert articles and videos. Additionally, within the GIA App you can access reports in GIA’s secure database anytime, anywhere. The GIA App is your hub for …

May 31, 2019 · Laboratory-Grown Diamonds. Man-made diamonds suitable for industrial use were first produced in a laboratory in the 1950s. While gem-quality diamonds were produced in a laboratory for the first time in 1971, it was not until the mid-2010s that colorless laboratory-grown diamonds entered the gem and jewelry market in commercial quantities.