He added that, "In Christie’s nearly 260 years' existence the Bleu Royal at 17.61 carat is the largest blue diamond ever offered at auction worldwide." Christie’s is a British auction house ...
This rare pink diamond, weighing 34 grams, is thought to be the largest discovered in the last 300 years. The 170-carat stone has been named the "Lulo Rose", after the mine in Angola where it was ...