When famous jeweller Stephen Silver purchased the diamond in June 2013 ... fancy vivid blue diamond to sell at auction. The indigo blue gemstone was referred to as “the gem of gems” and it was flanked ...

A rare blue diamond was on display Tuesday ... A 40.29-carat radiant-cut fancy light pink diamond ring, left and a 102.60-carat round white diamond. Eight diamonds on display at the Sotheby ...

The chiseled stones were on display next to lavish jewellery, including a white-diamond encrusted necklace featuring a 100.26-carat pear-shaped brown diamond pendant. The blue diamond will be ...