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The Gemological Institute of America (GIA) is a nonprofit institute based in Carlsbad, California. It is dedicated to research and education in the field of gemology and the jewelry arts. [ 1 ] Founded in 1931, GIA's mission is to protect buyers and sellers of gemstones by setting and maintaining the standards used to evaluate gemstone quality.
In April 2005, the SANS organization changed the format of the certification by breaking it into two separate levels. The "silver" level certification is achieved upon completion of a multiple choice exam. The "gold" level certification can be obtained by completing a research paper and has the silver level as a prerequisite.
IGI has the only international certification lab controlled by one central governing body that adheres to one internationally accepted system for diamond grading. [ citation needed ] IGI is International Organization for Standardization (ISO) 9001: 2000 certified in four countries, including the United States, Canada, India and the United Arab ...
Diamond certified FL (flawless) by the GIA Two diamonds of grade VS 1 and SI 2 respectively. The GIA diamond grading scale is divided into six categories and eleven grades. [2] The clarity categories and grades are: [3] Flawless category (FL) diamonds have no inclusions or blemishes visible under 10× magnification. [3]
Gemological Institute of America (GIA) was the first laboratory in America to issue modern diamond reports, [31] and is held in high regard amongst gemologists for its consistent, conservative grading. Diamond High Council (HRD) Official certification laboratory of the Belgian diamond industry, located in Antwerp. [32]
A CBS News investigation found dozens of law enforcement leaders — sheriffs, captains, lieutenants, chiefs of police — buying and illegally selling firearms, even weapons of war, across 23 U.S ...
Maui Invitational 2024 scores, schedule (This section was updated with new information) All times Eastern. Monday, Nov. 25. Game 1: Memphis 99, UConn 97 Game 2: Michigan State 72, Colorado 56 Game ...
American Gem Society logo. The American Gem Society (AGS) is a trade association of retail jewelers, independent appraisers, suppliers, and selective industry members, which was founded in 1934 by Robert M. Shipley.
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