7.80 Carat Genuine Smoky Quartz .925 Sterling Silver RingSpecifications: Finish: Rhodium Plated Gemstone Wt: 7. 80 ctw Gender: Women Gross Wt: 7. 5 Height: 8. 35 MM Length: 27. 47 MM Metal: . 925 Sterling Silver Metal Stamp: 925 Primary Stone Color: Brown Stone 1: Smoky Quartz Stone 1 Carat: 7. 80 ctw Stone 1 Creation Method: Natural Stone 1 Quantity: 1 Stone 1 Shape: Oval Stone 1 Size: 16x12mm Stone 1 Treatment Method: Irradiated Style: Bold Ring Total Qty Of Stones: 1 Total Stone Wt: 7. 80 ctw Width: 19.