Gemstones 18K White Gold Ring is a glamorous burst of color with Sapphires : 015 ctw; Center stone: 3.20ctw; Chalcedony Amethyst and Citrine Quartz. An 18K white gold band brings together the perfected look. Signature box included. Made in Italy. Custom size. Finish: Polished. Color: Light Blue. Color: Amethyst Setting: Four-prong. Shape: Round. Shape: Round.