Colored diamonds, particularly high-quality blues and pinks, have always commanded top dollar. But the recent action at the auctions and among high-end dealers indicates that — as often happens in ...

Fancy vivid blue diamond ring of 3.10 carats (estimate $4,200,000 – 5,200,000). Christie's. The Light of Peace is a D color, Internally Flawless diamond, with a pear-brilliant cut, weighing 126. ...

Martha Diamond, a painter’s painter who captured the endlessly changing face of New York’s buildings, streets and light-filled vistas with deceptively simple expanses of color, died on Saturday.

A 59-year-old businessman from the Midwest bought a massive diamond online for $2.5 million in early October — breaking the previous online record set by a $2.1 million auction at Christies in ...