‘The Rock,’ the largest white diamond ever auctioned, sells for $21.9 million
he largest white diamond to ever come up for auction has been sold for $21.9 million USD at Christie’s in Geneva.The 228.31-carat, pear shaped gemstone dubbed “The Rock” originated from South Africa, where some of the largest diamonds in the world have been found, including the pear-shaped “Star of Africa” and rose cushion cut “Golden […]
Blue diamonds may be blue because of where they are formed

Blue Diamonds are the world’s most expensive diamonds