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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.
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]
Certified cost or pricing data may not be obtained for acquisitions at or below the simplified acquisition threshold. [3] Other exceptions are stated in FAR 15.403-1(b) or may be adopted under a waiver requested by the contracting officer in exceptional circumstances. If certified cost or pricing data has been requested by the Government and ...
Before buying any old gem, though, keep reading to uncover the 25 most popular gemstones—and their meanings. Agate “Agate is earthy, warm and rich,” Salzer says, noting that it exists in ...
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. The Society is based in Las Vegas, Nevada , along with the affiliated American Gem Society Laboratories (AGSL) (founded in 1996) and the American Gem Society ...
Millions of Americans should prepare for an Arctic blast that will blanket much of the country in below-freezing temperatures over the next several days. Frigid conditions are expected over a ...
The clarity, or purity, of a diamond refers to internal inclusions of the diamond, and is one of the 4-Cs in determining a diamond's value.Common inclusions that appear inside diamonds are black carbon spots and small cracks, commonly referred to as fractures or "feathers", due to their feathery whitish appearance when viewed from above or through the side.