1. AuctionsThe Hutton-Mdivani necklace is often called the “greatest jadeite bead necklace in the world”—and it’s easy to see why. It features 27 translucent, color-matched, bright green jadeite beads, ranging in size from 15.4 mm to 19.2 mm. At two prior auctions, the necklace set a record price for jadeite jewelry; on April 6, at Sotheby’s Hong Kong, it happened again. The winning bidder—a company called Cartier (which, decades ago, designed the clasp)—paid $27.44 million after a frenzied 20 minutes of bidding that an auction house exec called “one of the most thrilling salesroom competitions ever.”2. ConclaveCourtesy of American Gem SocietyMagic Johnson shows off a Forevermark diamond lapel pin.The American Gem Society (AGS) scored a slam-dunk with its opening speaker, basketball legend Earvin “Magic” Johnson, at its annual Conclave this year at the Hotel del Cor
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