METAL: 18k Tri Color Gold. MEASUREMENTS: Ring size 6 1/2 and is 12mm wide (when all 3 worn together). GEMSTONES: approx. 0.35ctw in diamonds. MARKED: 750, Denmark, Jensen hallmark. WEIGHT: 15.2 grams.Gemstones have not been graded for color and clarity ,and tested for clarity and color enhancement, unless stated otherwise.