Give any ensemble a shot of life with a pop of color from this pendant. From Pomellato s Ritratto collection, this yellow gold piece features a rounded rectangle frame holding a London Blue Topaz gemstone. The blue gem is set in a slanted orientation and decorated with a duo of stylized prongs, one sprinkled with pave diamonds.This Pomellato Ritratto 18K Yellow Gold 0.16 ct Diamond and London Blue Topaz Pendant is offered in estate condition. It is accompanied by a gift box. Pomellato Ladies Necklaces. SKU: PO04-080624-Y. Color: Multi-Color. Metal Type: Gold. Metal Stamp: 18k. Gem stone type: Diamond. Necklace style: Precious Metal. Pre-Owned Pomellato Ritratto 18K Yellow Gold 0.16 ct Diamond and London Blue Topaz Pendant PO04 080624.