METAL: 14k Gold. MEASUREMENTS: Ring size - 9 1/4, ring top is 20mm x 20mm. Center will fit approx. 10mm x 10mm stone. GEMSTONES: Diamonds approx. 2.10ctw. MARKED: 689. WEIGHT: 6.1 grams.Gemstones have not been graded for color and clarity ,and tested for clarity and color enhancement, unless stated otherwise.