Size 7.25 US Size Thick half round band Special twisted cut pattern. Setting is about 1/8" high. Sterling. Treated London Blue Topaz with a high rainbow style. Great alone or stacked with other rings. London blue topaz Ring, Ocean Blue Ring, Silver Ring, Stack, Rainbow Ring, Promise Ring, Boho Ring, Gold Filled, oceanic Ring, Mystical Ring The London Blue Topaz gemstone is 7.25 carats and a special twisted cut pattern that stands 0.125 inches in height. The sterling silver ring is Gold Filled for timeless style and comes with a high rainbow finish for a beautiful, eye-catching effect. Enhance your look with a fun, mystical coastal charm.