New York—Blue diamonds continued to prove their popularity at Sotheby’s Wednesday during the auction house’s Magnificent Jewels sale.

New York—Blue diamonds continued to prove their popularity at Sotheby’s Wednesday during the auction house’s Magnificent Jewels sale.

A ring with a fancy intense blue diamond center stone weighing 3.24 carats and of VVS1 clarity sold for just under its $2.5-$3 million estimate, garnering $2.3 million at the jewelry auction.