Delight the one you love with a gift they'll want to wear over and over again. This beautiful necklace features a vivid oval Swiss blue topaz framed in glittering round lab-grown diamonds. Sterling silver 6.0 x 4.0mm oval-shaped Swiss blue topaz centrepiece 0.10 ct. t.w. of lab-grown diamonds; F colour/SI2 clarity 18.0-inch rope chain; spring-ring clasp Swiss blue topaz is the traditional birthstone for December