展开Ships within 1 dayLovely, elegant tanzanite ring in .925 sterling silver with rhodium plating. The sparkling 0.25 cttw round shape tanzanite gemstone is natural and heat treated. The width of the ring is 6 mm. This ring is available in multiple sizes. Gift box is included with purchase of this ring.Stone Type - Natural TanzaniteMetal - 925 Sterling SilverGemstone Shape - RoundGemstone Carat Weight - 1/4 cttw (0.25 cttw)Vir Jewels Sterling Silver Statement Ring For Female AdultBirthstone Month - DecemberNatural Tanzanites are heat treated to produce a range of hues between bluish-violet to violetish-blue. This is done through mild heating in the production process. Due to the permanent nature of this treatment the gemstones do not alter in quality, only in appearance.