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Gubelin gemstone ratings
Colored Gemstones Get New Ratings System
Switzerland’s Gübelin Gem Lab has launched a scoring system for colored gemstones based on wine ratings, claiming
News Nov 24, 2020 Rapaport News
Heritage Achieves Strong Prices from New York Jewels Auction
Heritage Auctions in New York reported intense bidding for a fancy light brownish-pink diamond and platinum ring that ultimately sold for $358,500
News May 11, 2011 Ricci Dipshan
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