METAL: 18k Gold. MEASUREMENTS: Ring size - 6 1/4, ring top is 12.7mm wide. GEMSTONES: Pink Sapphire (RI tested 1.76) - approx. 3.02ct by formula. Diamonds - approx. 2.00ctw. TESTED: 18k. WEIGHT: 24.4 grams.Gemstones have not been graded for color and clarity ,and tested for clarity and color enhancement, unless stated otherwise.