Sleek. Powerful. Iconic. The Square Cushion Stone Engagement Ring in Platinum is crafted for the woman who brings presence and poise into every room. Its cushion-cut centerpiece balances structure and softness—set against a polished platinum band that adds undeniable weight and everlasting shine. This is a forever kind of ring, made to celebrate bold love and timeless commitment with strength, clarity, and a little sparkle. All Lab Diamonds over 1 CT comes with a certificate of authenticity from a recognized gemological institute (IGI). Discount codes are NOT valid on Platinum orders. We cannot accept returns on made-to-order Platinum items. Please allow up to 4-8 weeks for production time on ALL Platinum items. Don't know your ring size? Review our sizing chart below to find your best fit. Specifications - Available in sizes: 5, 6, 7, 8, 9, 10, 11, 12 & 13- Carat weight listed includes stones in band (could vary by 3-5%) -Platinum: -4 CT Sizes 5-13: 9g -5 CT Sizes 5-13: 11g -6 CT Sizes 5-13: 12g