Brand Name: UmchoMetals Type: SilverMetal Stamp: 925,SterlingMain Stone: SpinelStyle: HyperboleItem Type: Jewelry SetsModel Number: S008BS-4Shape\pattern: RoundJewelry Sets Type: Ring/NecklaceGender: WomenOccasion: Wedding / Engagement / Anniversary / PartyGift: Birthday Gift/Mother's Day Gift/Valentine's GiftStyle: Trendy,Elegant,UniqueMain Stone: Natural Black SpinelChain Length:40+5cmRing SizeUS Size 04(Dia.): 14.9mm/0.59"" (Approx.)US Size 05(Dia.): 15.7mm/0.62"" (Approx.)US Size 06(Dia.): 16.5mm/0.65"" (Approx.)US Size 07(Dia.): 17.3mm/0.68"" (Approx.)US Size 08(Dia.): 18.1mm/0.71"" (Approx.)US Size 09(Dia.): 19.0mm/0.74"" (Approx.)US Size 10(Dia.): 19.8mm/0.78"" (Approx.)Package included:1pc Jewelry Set1pc Exquisite BoxUmcho Guarantee:We promise that Every piece is handmade and all materials are hand picked and meticulously quality controlled. We are perfectionists when it comes to the quality of your jewelry.All of our gemstones and diamonds are genuine.They are all Authentic Natural Materials.Everything we use is carefully hand selected and ethically sourced.Our jewelry is handcrafted by the same jewelers as luxury brands, but sold at a fraction of the price. We avoid traditional 10x mark-ups by being online based and having a direct-to-consumer business model.