A rare diamond necklace with possible links to former French queen consort Marie Antoinette is to be auctioned in November ...

After not being seen publicly for 50 years, the unique necklace is estimated to sell for 1,800,000-2,800,000 dollars ...

A mysterious 18th century necklace made from around 500 diamonds, some of which are believed to have been taken from a piece ...

The Portland Diamond Project, a private group of baseball supporters that for years has aspired to bring a Major League ...