Sotheby’s Sets $48M Price Tag for De Beers Blue
A record blue diamond co-owned by De Beers will go under the hammer at Sotheby’s in April, carrying a price estimate of $48 million.The step-cut, 15.10-carat, fancy-vivid-blue, internally flawless stone is the largest of its color to appear at auction, Sotheby’s said Wednesday. The diamond will...