Complete your ring stack with our Cushion Cut Opal & Diamond Birthstone Ring. Handcrafted in 14K Gold to embody eternal grace and style. Stackable Birthstone Ring for Women Metal - 14K Gold (White / Yellow) Gem Type - Cushion Cut Opal Gemstone (0.35 CTTW) Gemstone Size - 4 mm x 4 mm Diamonds - Natural Round Shape (0.04 CTTW) Diamond Color/Clarity - GH/SI1 Item Weight - 1.40gm Band Thickness - 1.12 mm Setting - Bezel with Milgrain