[Ring] Astra (black tourmaline version) [Metal Purity] Solid 14k yellow gold [Gemstone] Black tourmaline (approx 5mm) [Gem Type] Natural; non-treated [Dimension] W20mm x H17mm [Ring Size] Please select your size in "Ring Size" option. You can also select other karat gold color too. =================================== Inspired by the shooting star Make a wish and your dreams will come true. “Astra”, the ring of sheer elegance, harmonize formal outfits and great for causal look. With a beauty that makes you stand out from the rest, this ring is very special, because it's meticulously crafted with precious material. *This item will be made to order. Please allow 2 weeks for production =================================== ✦Free international expedite shipping. Upgrade to DHL / Fedex also available. ✦Beautiful packed in a laser engraved wood box ✦60 days warranty: All repair / alternation are free within 60 days. =================================== ✦ Make with materials that we love: [14k gold] High intrinsic value, solid 14k gold guaranty. [Black tourmaline] This gem is believe to be best among protection stones.