TOUSTwo-tone Ring with chalcedony TOUS Gem Power

Two-tone ring with 18kt gold vermeil and an oval cabochon-cut treated green chalcedony. Motif size: 16 mm. 916/1,000 gold plating, with a thickness of 3 microns, over metal and 925/1,000 sterling silver plating, with a thickness of 10 microns, over metal. TOUS Gem Power Collection.