METAL: sterling silver plated with 18 K rose gold. GEMSTONES: diamonds-approx. 0.18ctw, smoky quartz. MEASUREMENTS: ring size 7.5. Top is 27mm at widest point. MARKED: Di Modolo 925. WEIGHT: 12.3 grams. Retail $ 895.Gemstones have not been graded for color and clarity, and tested for clarity and color enhancement, unless stated otherwise.