For her first-ever auction capsule, goldsmith Kindred Lubeck presents three hand-engraved, one-of-a-kind gemstone rings for Sotheby’s Gem Drop.
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 ...
JOHANNESBURG (miningweekly.com) – London-listed Gemfields marked a “record revenue” year after its third auction of the year achieved revenue of $36.5-million after selling 15 of the 17 lots of ...
A Sri Lankan gem company claims it has discovered the world's largest single natural blue sapphire, a 683-pound gemstone that it plans to auction after obtaining an official valuation. A 310 kilograms ...
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