A pink diamond closed at auction for $57.73 million in Hong Kong Friday night, the most expensive diamond per carat ever sold. The 11.15-carat Williamson Pink Star diamond sold at a Sotheby’s auction.

Diamonds have long been a symbol of wealth, power and prestige. Some of the most exquisite diamonds in history have fetched record-breaking prices at auction, often ending up in the hands of royals, ...

Diamonds have long been a symbol of wealth, power and prestige. Some of the most exquisite diamonds in history have fetched record-breaking prices at auction, often ending up in the hands of royals, ...

An impeccable diamond coming up for auction takes pretty in pink to an entirely new level. The Eternal Pink Diamond, a 10.57-carat jewel, was fashioned from a 23.78-carat rough stone discovered in ...

Some pieces of gems are soo ridiculously valuable, that it becomes a wonder where they may have come from. The Blue moon of Joesphine Diamonds are a girl’s best friend, this would imply that some ...

Some pieces of gems are soo ridiculously valuable, that it becomes a wonder where they may have come from. The Cullinan ($2 billion): This is the world’s largest diamond at 3,106.75 carats, excavated ...

Christie’s will present the largest fancy vivid blue diamond to be offered at auction. Named “The Golconda Blue,” it weighs 23.24 carats and has an estimate of $35 - 50 million. It will be the ...

Meline: A pearl is one of the most complex gems to assess the value of. One factor is whether it's natural or cultured. Natural pearls are harder to find, making them worth more money. The vast ...

On Wednesday night, 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 ...