Vintage 18K Gold Sapphire and Diamond Halo Necklace – Estate Blue Sapphire PendantAn elegant vintage sapphire and diamond necklace crafted in rich yellow gold, centered with a striking oval sapphire framed by a halo of brilliant diamonds. The beautifully balanced design features graceful curved gold links accented with small diamond clusters, creating a refined transition from the chain to the ornate center pendant. The deep royal blue sapphire is bezel set and surrounded by a luminous diamond halo, giving the piece exceptional