Specifications:Jewelry Type: Pure 925 Sterling Silver Bezel Set RING.Gemstone Name: BLUE SAPPHIREPURITY:Gemstone Treatment : 100% Natural Stone ; NO TREATMENT (Untreated/Unheated)Silver Purity: 925 per 1000 parts (925 STERLING SILVER)WEIGHT:Ring Weight : 5.450gmsSIZE:Ring Size: 6.75 USItem Code: R1/32