Image 1 of 2 Image 2 of 2 Guardian Ring - London Blue $90.00 sold out A deep London Blue topaz is set on a sterling band with 14k gold accents. Size 7.One-of-a-kind, ready to ship. Sold Out Added! A deep London Blue topaz is set on a sterling band with 14k gold accents. Size 7.One-of-a-kind, ready to ship.