1.77 Carat Genuine Blue Sapphire and Ruby .925 Sterling Silver RingSpecifications: Birthstone Month: September Finish: Rhodium Plated Gemstone Wt: 1. 77 ctw Gender: Women Gross Wt: 5. 57 Height: 6. 10 MM Length: 23. 88 MM Metal: . 925 Sterling Silver Metal Stamp: 925 Primary Stone Color: Blue Stone 1: Blue Sapphire Stone 1 Carat: 0. 60 ctw Stone 1 Creation Method: Natural Stone 1 Quantity: 7 Stone 1 Shape: Marquise Stone 1 Size: 4x2mm Stone 1 Treatment Method: Heat Treated Stone 2: Ruby Stone 2 Carat: 1. 17 ctw Stone