The 18k Classic Rainbow Amulet finds our signature rock crystal elegantly cradled by a colorful spectrum of mixed sapphires, diamonds, tsavorites, and rubies.With fiery reds, blushing pinks, buttercup yellows, sky blues, and seafoam greens, the 18K Classic Rainbow Amulet surely lives up to its name. Length: 45mm/1.75"; Width: 20mm/.8"