This Octagon shaped Swiss Blue Topaz shine beautifully set in bright white 14K gold. But when bright white Diamonds are added, the combination is stunning. The Blue Topaz weighs 7.50 Carats. The Diamonds are round in shape, SI2 clarity, H-I color and weigh .20 Carat Total Weight. Our ring measures approximately 7/8 inch in width (at the widest point) and is available in sizes 6, 7 and 8.