Keep luck on your side with our colorful horseshoe necklace! Vivid 1.50 ct. tot. gem wt. London and Swiss blue topaz, amethyst, peridot, rho… Keep luck on your side with our colorful horseshoe necklace! Vivid 1.50 ct. tot. gem wt. London and Swiss blue topaz, amethyst, peridot, rhodolite garnet, citrine and pink tourmaline rounds sparkle in 18kt yellow gold over sterling silver, stationed on a cable chain with a 2" extender. Lobster clasp, multi-gemstone horseshoe necklace.