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18K white gold ring set with oval-cut central amethyst and brilliant-cut white sapphires
18K white gold ring set with pear-cut central amethyst and brilliant-cut white sapphires
Item ID: DGS10008
Enhancements Some demantoid is heat treated to improve the color Synthetic available
Grandidierit 2.57ct 9.99X7.30X5.90mm Silver 18K white gold ring setDiscovered in southern Madagascar, grandidierite was named in honor of notable French naturalist and explorer, Alfred Grandidier. Grandidier reported the first samples in 1902. Grandidierite is a relatively rare mineral. While found in several areas, supply is very small and quickly depleted. It is the 3rd most expensive gemstone in the world. Due to its rarity, it is not often found as gems or in jewelry. The transparent gemstones are rarely faceted
