Gemological Science International (GSI)さんのイラストまとめ
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GSI is currently one of the world’s largest independent gemological institutions, with 13 gemological laboratories spanning across four continents.
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The famous Peacock Brooch was created by Graff Diamonds and made its debut on the world stage in 2013 at the TEFAF art fair in the Netherlands. This exotic piece contains over 120 carats and more than 1,000 stones that vary between white, yellow, blue, and orange diamonds.
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