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  2. Synthetic diamond - Wikipedia

    en.wikipedia.org/wiki/Synthetic_diamond

    Around 2016, the price of synthetic diamond gemstones (e.g., 1 carat stones) began dropping "precipitously" by roughly 30% in one year, becoming clearly lower than that of mined diamonds. [124] As of 2017, synthetic diamonds sold as jewelry were typically selling for 15–20% less than natural equivalents; the relative price was expected to ...

  3. Gemological Institute of America - Wikipedia

    en.wikipedia.org/wiki/Gemological_Institute_of...

    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.

  4. Diamond (gemstone) - Wikipedia

    en.wikipedia.org/wiki/Diamond_(gemstone)

    In the wholesale trade of gem diamonds, carat is often used in denominating lots of diamonds for sale. For example, a buyer may place an order for 100 carats (20 g) of 0.5-carat (100 mg), D–F, VS2-SI1, excellent cut diamonds, indicating a wish to purchase 200 diamonds (100 carats (20 g) total mass) of those approximate characteristics.

  5. Cut (gems) - Wikipedia

    en.wikipedia.org/wiki/Cut_(gems)

    Cut (gems) A decorative glass crystal about 4 cm (1.6 in) in diameter, having a facet cut often applied for gemstones. At some positions, coloured light (see rainbow colouring) can be regarded caused by the intended optical prism effect of the cut. A gemstone desired to be used in jewelry is cut depending on the size and shape of the rough ...

  6. The diamond industry is ‘in trouble’ after prices sunk 6% ...

    www.aol.com/finance/diamond-industry-trouble...

    Industry experts anticipate an additional 15% to 20% price drop in diamonds over the next 12 months. The diamond industry is ‘in trouble’ after prices sunk 6% this year. A jewelry CEO blames ...

  7. Gemological Science International - Wikipedia

    en.wikipedia.org/wiki/Gemological_Science...

    New York City. , New York. , United States. Website. www .gemscience .net. Gemological Science International, or GSI, is an independent gemological organization that is one of the largest gemological entities in the world, with offices in four continents. [1] [2] [3]

  8. Jewellery - Wikipedia

    en.wikipedia.org/wiki/Jewellery

    Jewellery (or jewelry in American English) consists of decorative items worn for personal adornment, such as brooches, rings, necklaces, earrings, pendants, bracelets, and cufflinks. Jewellery may be attached to the body or the clothes. From a western perspective, the term is restricted to durable ornaments, excluding flowers for example.

  9. Government e Marketplace - Wikipedia

    en.wikipedia.org/wiki/Government_e_Marketplace

    The Government e Marketplace (or e-Marketplace) ( GeM) is an online platform for public procurement in India. [ 1] The initiative was launched on 9 August 2016, by the Ministry of Commerce and Industry, Government of India with the objective to create an open and transparent procurement platform for government buyers. [ 2]

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