Cushion Cut Diamond Engagement Ring. Center stone can be customized between 0.50-1.00 carat cushion cut diamond. Surrounded by 0.25 carat round brilliant cut side diamonds. Can be complemented in 14k Gold, 18k Gold or Platinum 950. We also offer a 1 year Layaway program. You can reach us at 1-888-967-5353 to speak to one of our jewelry specialist.