lot-81-a-unique-diamond-and-onyx-zip-necklace-by-van-cleef-arpels Published June 24, 2017 at 464 × 924 in CHRISTIE’S JUNE 20, 2017, “MAGNIFICENT JEWELS & THE ROCKEFELLER EMERALD” NEW YORK SALE SETS WORLD AUCTION RECORD PER CARAT FOR AN EMERALD LOT 81 – A UNIQUE DIAMOND AND ONYX ‘ZIP’ NECKLACE, BY VAN CLEEF & ARPELS← Previous