When unearthed, most diamonds appear roughly rounded with perhaps a hint of regular crystal form. Many are colorless, but most are pale shades of yellow; red, orange, green, blue, brown ...

Christie’s is offering up some major bling at auction next month. On Tuesday, the British auction house revealed the lots it will offer in its annual Magnificent Jewels auction, which will take ...

Diamonds can also come in black, blue, green, pink, red, purple, orange or yellow. Diamonds are a very strong gem. Its name derives from the Greek word "adamas" which means "invincible" or ...