METAL: 18k Gold. MEASUREMENTS: Ring size - 7.75, ring top - 26mm x 20mm. GEMSTONES: Aquamarine - approx. 14.50ct, measures 16.6 x 13 x 9.8mm, surrounded with multi color gemstones. TESTED: 18k. WEIGHT: 14.8 grams.Gemstones have not been graded for color and clarity ,and tested for clarity and color enhancement, unless stated otherwise.