C. 1990. Take steps to a bolder you. This striking 18kt yellow gold pendant from our Estate collection radiates a rainbow of sparkle with 3.… C. 1990. Take steps to a bolder you. This striking 18kt yellow gold pendant from our Estate collection radiates a rainbow of sparkle with 3.65 ct. tot. gem wt. rectangular London blue topaz, iolite, amethyst, rhodolite garnet, garnet, citrine and peridot -- sided by sparkling .25 ct. t.w. diamond borders set in 18kt white gold. Hinged bail fits up to an 8mm chain, sold separately. Exclusive, one-of-a-kind Estate Jewelry.