Christie's will present both The Regent Kashmir and The Regal Ruby set as rings at a live auction at Hong Kong Luxury Week in ...

I stumbled across an intriguing phone app that identifies precious stones. Not that I own many special stones, but there are ...

Meet the 184 students nominated for their work in fields such as drawing, painting, sculpture and mixed media.

Each dot in the visualization above represents the resources that Pagy consumes for one full rendering. The other gems consume hundreds of times as much for the same rendering. The IPS/Kb ratio is ...

“The Winston diamonds are unprecedented in their beauty and rarity, and we are thrilled to welcome them as additions to our National Gem Collection. We extend our gratitude to Ronald Winston for ...