This is an authenticPOMELLATO 18K Rose Gold Diamond Blue Topaz Nudo Sautoir Necklace. The necklace is crafted of 18 karat rose gold and features faceted sky blue topaz and London blue topaz gemstones, along with pave-set diamond stations weighing approximately 2.00 total carat weight. Follow this item for alerts. Pomellato is a registered trademark of Pomellato. FASHIONPHILE is not affiliated with Pomellato.