[Ring] Sirène (black version) [Metal Purity] Sterling Silver (AG 925) [Treatment] Gold dipped [Gemstone] Black tourmaline [Gem Type] Natural; non-treated / enhance [Dimension] H12.5mm x W22.5mm [Ring Size] Please select your size in "Ring Size" option. All sizes available. This ring is inspired by the song of mermaid, with those melody seducing unaware sailors into the deep of ocean. “Sirène”, the ring of sheer elegance, it harmonize your formal outfits and great for a causal look. With a beauty that makes you stand out from the rest of the crowd, this ring is very special, because it's handcrafted with precious material. *This item will be made to order. Please allow 7 days for production ================================================ ✦Free international expedite shipping. Upgrade to DHL / Fedex also available. ✦Presentational package in a beautiful laser engraved wood box ✦60 days warranty: Let us know within 60 days and all repair / alternation are free. ================================================ ✦ Make with materials that we love: [Black tourmaline] This gem is believe to be the best stone for a protection amulet. [925 Sterling silver] A precious metal adored though-out history. [Gold dipped] Beautiful yellow gold color from a special PVD treatment. ================================================ Thanks for visiting our shop!