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【Guangzhou, C】The More Fluid the Play-of-Color and the Higher the Hardness, the More Valuable the Genuine Opal

November 5, 2011 by JemInfo_JewelryGem

Editor’s NoteThis article highlights the strong demand for colored gemstones at auction, using opals as a case study. It notes that while…

Categories Colored Gemstones, Design & Trends, Jewelry News, Retail & Market Tags Black Opal, colored gemstones, Fire Opal, Gemstone, Gemstone Identification, Gemstone Valuation, Guangzhou Market, Jewelry Auction, Jewelry Investment, opal, Play-of-Color, Sotheby's
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