Gibson’s Certified Vintage manager has expressed his desire to team up with artists to sell their vintage gems directly to ...

The Golconda Blue, a 23.24-carat Fancy Vivid Blue diamond once owned by Indian royalty, is among the rarest gems ever ...

A rare dual-autographed card of LeBron James and Kobe Bryant netted over $1 million at auction. The 2009-10 Upper Deck ...