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GSI Gemological Laboratory performs a number of services including: loose and mounted diamonds grading; origin testing of loose and mounted diamonds and gemstones; cut grade analysis; light analysis reports; gemstone identification; sorting and screening of melee; treatment identification; laser inscription on diamonds and gemstones; metal engraving; metal inspection; and 360-degree virtual ...
There are now several professional schools and associations of gemologists and certification programs around the world. The first gemological laboratory serving the jewelry trade was established in London in 1925, prompted by the influx of the newly developed "cultured pearl" and advances in the synthesis of rubies and sapphires. [ 6 ]
Printable version; In other projects ... Pages in category "Gemological laboratories" ... Gemological Science International;
A certificate of analysis (COA) is a formal laboratory-prepared document that details the results of (and sometimes the specifications and analytical methods for) one or more laboratory analyses, signed—manually or electronically—by an authorized representative of the entity conducting the analyses. This document gives assurances to the ...
Image credits: Bored Panda #2 Dave Grohl Fathered A Baby Girl Outside Of His Marriage. Lead singer of the Foo Fighters Dave Grohl isn’t trying to hide his truth. Back in September, the musician ...
Spanish authorities said on Monday they had seized seven tons of cocaine stashed in sea freight containers buried underneath a farm, arresting three suspected smugglers. Police posted video of the ...
One’s biological age, which measures the body’s physiological state, may help predict who is at risk for developing colon polyps, a known risk factor for colorectal cancer.
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.