sterling silver cubic zirconia dainty two piece pear and marquise shaped halo engagement ring cz trio ring stackable bridal set (size 8) twobirch this ring stack features two wedding rings creating the illusion of a stunning ring guard made of sterling silver with round shared prong set cubic zirconia. the engagement ring features a halo of round cubic zirconia surrounding a pear shaped center stone and marquise side stones. the center stone measures approximately 9x7 mm which is the equivalent of 2 carats in diamonds. the engagement ring is a stunning halo engagement ring with a mix of round cubic zirconia and fancy shaped center stone set in prongs and a small halo of cz. the ring is made in solid sterling silver with rhodium finish to ensure a luxurious finish, perfect for every day wear.