Emerald and Diamond Tiara Fetches $12.7M, Pink Diamond Sells for $10.8M

An emerald and diamond tiara, circa 1900, formerly in the collection of Princess Katharina Henckel von Donnersmarck, sold for a staggering $12.7 million, setting the stage for a glittering night at Sotheby’s Magnificent and Noble Jewels Sale, held Thursday night in Geneva.

Sotheby’s said that this tiara was the most important to have appeared at auction in more than 30 years and apparently