Sotheby's auctioning $25 million, 100-carat diamond
Sunday, March 29, 2015 - 12:00
in Mathematics & Economics
Andrew V. PestanoNEW YORK, March 29 (UPI) -- Sotheby's is set to auction a 100.2-carat diamond worth an estimated $19 to $25 million on April 21 in New York City.