Cushion Cut Solitaire Engagement Ring - 1 Carat CZ Designer inspired cushion cut solitaire engagement ring is an instant classic! Medium width sterling silver band is rhodium plated for shine and durability. 1 carat Simulated diamond CZ has a stunning cushion cut and is prong set on the band. High quality CZ and small carat size make this a totally believable fake diamond ring! Also available with a larger 1.5 carat center stone!