METAL: 14k Gold. MEASUREMENTS: Ring size - 5, ring top is 15mm x 15mm, center will fit approx. 6.5mm stone. GEMSTONES: Diamonds approx. 0.25ctw. MARKED: 14k 585. WEIGHT: 3.1 grams.Gemstones have not been graded for color and clarity ,and tested for clarity and color enhancement, unless stated otherwise.