GOLD COAST, Australia--(BUSINESS WIRE)--The world’s largest online auction website for natural Opals and Gemstones has announced two new auction formats. The ‘Auctioneers Pick’ which runs every ...
Getting your Trinity Audio player ready... A rare gemstone discovered decades ago in a now-closed Colorado mine could sell for thousands of dollars in an October auction. Bidding for the chunk of ...
LOS ANGELES (CBS SF) -- A massive 110-carat diamond is going to be up for auction in December. Sotheby's says it's the largest round diamond ever sold at auction. They expect it will sell for at least ...
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