METAL: 18k Gold/ Platinum. MEASUREMENTS: Ring size 6 1/4, ring top is 11mm wide. Center will fit approx. 9mm x 6mm stone. GEMSTONES: baguette diamonds. TESTED: 18k, plat top. WEIGHT: 2.1 grams.Gemstones have not been graded for color and clarity ,and tested for clarity and color enhancement, unless stated otherwise.