The use of unusual gems is not entirely new: the House of Fabergé used spinels, demantoid garnets, moonstones, and some rare agate varieties in the mid- to late 1800s and kunzite was named after ...

Only discovered in 1868 in Russia's Ural Mountains, demantoid garnets are extremely rare and valuable. The Smithsonian possesses an 11.24 carat demantoid that was discovered in the 1990s and ...

NEWPORT BEACH, California – Lugano Diamonds presents three beautiful sets of earrings featuring diamonds, sapphires and rare demantoid garnets, all set in titanium. More resilient than ...

Well, it turns out the part of the brooch that's green -- the demantoid -- was only really worn by the English and French, so it's actually a pretty rare find. Schaffer said, "Demantoids have been ...

LOUIS – A rare piece of jewelry that was part of St ... the coiled tendrils further set with opals and round demantoid garnets, accented by colored gemstones including rubies and amethysts.

Appraisal: Tiffany & Co. Demantoid Garnet Watch with Fob, ca. 1890, from Boston Hour 1. In Boston Hour 1, Virginia Salem appraises a Tiffany & Co. demantoid garnet watch with fob, ca. 1890.