A Sensational Blue Diamond May Fetch Record $55M
This flawless Fancy Vivid Blue diamond weighing 12.03 carats and described by experts as internally flawless is set to become one of the world’s most expensive gems. Estimated to sell for $35-55 million USD, this will be the centrepiece of the auction of Sotheby’s Magnificent Jewels and Noble Jewels in Geneva on 11 November 2015. … Read more