From brilliant blues to fiery reds, discover how nature crafts diamonds in every color, and why some shades are rarer than ...

Laid out like an orchestra in a quiet gallery room, 40 colorful gems have one of the planet’s most distinguished conductors: a red diamond, 2.33 of the rarest carats in the world, shining like a ...

When you purchase through links on our site, we may earn commission. Read our full commerce guidelines here. Do you know someone who's really into pink? I promise you, you'll find something in ...

A rare pink diamond has sold for HK$453.2 million (US$57.7 million) in Hong Kong, setting a record for price per carat paid at auction for any diamond or gemstone, according to Sotheby’s auction ...