Also, check out the most expensive pieces of jewelry. Earning passive income doesn't need to be difficult. You can start this week. The Graff Pink, a 24.78-carat fancy intense pink diamond ...

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 ...

Most Expensive Diamond: As the world’s most expensive diamond ever sold at auction, Pink Star has certainly made a name for itself. It has unmatched colour, clarity, size, and cut. Read further ...

An exceptionally rare blue gem became one of the most expensive diamonds sold by Christie’s when it went under the hammer in Geneva on Tuesday. An unidentified buyer paid CHF 39,505 million ...

The 7.5-carat diamond from Indian Prime Minister Narendra Modi was easily the most costly gift presented ... The U.S. president himself received a number of expensive presents, including a ...