Trump, attracted figures from the art world, the media and some lawyers from his civil fraud trial. By Zachary Small As Flames Consume Architectural Gems, a Hit to ‘Old California’ The ...

In September a cushion-shaped 5.44-carat Paraiba tourmaline ring flew past its US$60,000 upper estimate in auction at Bonhams New York to sell for US$533,900. This is bidding territory more ...

Artist uses natural crystals, stones and gems to create exploding celestial objects. The post 7 Jewel-Encrusted Sculptures ...

Learn more about the birthstone of wisdom, loyalty and nobility and discover its history and where it can be found. Opal and tourmaline are the two birthstones for October. Both of these gemstones are ...

Browse upcoming auctions featuring your favorite artists.

Established in 1931, the Gemological Institute of America (GIA) is the world’s foremost authority on diamonds, colored stones, and pearls. A public benefit, nonprofit institute, GIA is the leading ...