In a gilded ballroom at the Four Seasons hotel in Geneva last month, the world’s wealthiest collectors and their envoys gathered to bid on the final and most anticipated lot: a nearly 19-carat ...
Sotheby’s New York set two world records for gemstones today, one for a 55.22 carat Mozambique ruby known as the “Estrela de Fura 55.22” and one for a 10.57 carat fancy purplish-pink diamond referred ...
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