Round cut natural stone(2.5 mm): Garnet, Amethyst, Aquamarine, Emerald, Ruby, Peridot, Sapphire, Topaz, Iolite, Citrine and Diamond are available. 1.2 mm thick well polished round ring. *All ring sizes are available. -MATERIAL- Sterling Silver (95% silver) Sterling Silver with thick layer of 18K rose, yellow or white gold (vermeil / silver gilt) Solid 14K rose, yellow or white gold (ask for a quote) Solid 18K rose, yellow or white gold (ask for a quote) *All products are handmade to order and wi Round Ring, Rose Yellow, Round Rings, Ring Sizes, Silver Sterling, Gold Vermeil, Aquamarine, Citrine, Natural Stone