Giant diamond in necklace sells for $33.7M at Geneva auction
The largest-ever D-flawless diamond to be put up for auction, mounted in a diamond and emerald necklace, sold for $33.7 million Tuesday night, including buyer's fees. The white, matchbox-size "Creation 1" diamond from Swiss jeweler de Grisogono weighs a whopping 163 carats. The hammer went down at 29.5 million Swiss…
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