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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.
Total carat weight (t.c.w.) is a phrase used to describe the total mass of diamonds or other gemstone in a piece of jewelry, when more than one gemstone is used. Diamond solitaire earrings, for example, are usually quoted in t.c.w. when placed for sale, indicating the mass of the diamonds in both earrings and not each individual diamond.
If certified cost or pricing data has been requested by the Government and submitted by an offeror, but an exception is later found to apply, the data should not be considered to be "certified". [1] The requirement for a certificate of cost or pricing data may also apply to sub-contractors at any tier in the supply chain. [2] [4]
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]
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GCI Gemological Laboratories & College's main headquarters is in the Israel Diamond Exchange in Ramat Gan. [2] The GCI has regional labs and educational centers equipped with local and Israeli staff in Russia and, since June 2006, in India—a disposition of four branches in Mumbai, Delhi, Hyderabad and Kolkata.
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This template is part of a set of templates used for creating certification tables for albums, singles, etc. Note that WP:ALBUM/CERT recommends the creation of a table only when an album has achieved multiple certifications. {{Certification Table Top}} for the top of the table; {{Certification Table Entry}} for table entries;