This stunning 18k white gold pendant necklace features an elegant marquise silhouette adorned in shimmering round, prong-set diamonds and an oval-cut 5x4mm sapphire in a 4-prong setting. A halo of radiant white diamonds in prong settings traces the outline of this natural color-treated blue sapphire for a total diamond weight of 1/7 carat with an approximate G-H Color and SI1-SI2 Clarity. The contemporary yet classic 18" cable chain complements any neckline beautifully and secures with a lobster claw clasp.