Socialite’s Emerald Necklace, 36-Carat Diamond Share Spotlight at Sotheby&
An art deco-style emerald necklace from the collection of American socialite Helene Beaumont and a 36.57-carat near-flawless diamond share... Read more
75.61-Carat Emerald Once Worn by Catherine the Great Is Up for Sale at Christie'
A 75.61-carat emerald worn more than 220 years ago by Russian Empress Catherine the Great will be hitting the auction block at Christie's Ge... Read more
