METAL: Platinum. MEASUREMENTS: Ring size - 6.75, ring top is 22mm x 21mm. GEMSTONES: Sapphire cabochon - 14.28ct, diamonds - approx. 1.50ctw. TESTED: Plat. WEIGHT: 8.8 grams. Gemstones have not been graded for color and clarity ,and tested for clarity and color enhancement, unless stated otherwise.