Experts have stressed the importance of its colour, as very few diamonds have it. And, among those that do, pink is not at all common in this type of stone. The director of Sotheby's America ...

That diamond, also a pink stone, was purchased by London jeweler Lawrence Graff at a 2010 Sotheby's auction. Here's another look at the Pink Star. The identity of the buyer remains under wraps.

Sotheby’s auction house says it has sold a rare pear-shaped vivid pink diamond for a record $31.5 million (R499 million) at an auction in Geneva, Switzerland. The 15.38-carat diamond was ...

well-known diamond cutter Isaac Wolf purchased the most expensive diamond ever bought at auction — the 59.60-carat pink diamond known as a "The Pink Star." Wolf, who has over 50 years of ...