This precious collection three-stone cushion cut topaz engagement ring is ideal for your love one. Designed with 30 round diamonds weighing 0. 19 carats, 2 cadillac diamonds with a total weight of 0. 61 carats, and 1 cushion cut yellow topaz with a significant weight of 5. 74 carats in a flashy design. Additional Information: 30 round diamonds weighing 0. 19 carats, 2 cadillac diamonds with a total weight of 0. 61 carats, and 1 cushion cut yellow topaz with a significant weight of 5. 74 carats.