Blue sapphire and diamond three-stone ring designed in 18 karat yellow gold and platinum. The center oval blue natural sapphire, estimated weight 1.55 carats, is flanked on either side by an Old European cut diamond; total weight 0.87 carat, VS2 clarity and J color. European shank. Size 7.25, weight 10.79 grams. Measures approximately 7mm at front, 4.5mm at back.