Crafted in luminous platinum, the Marquis Stone Thick Engagement Ring in Platinum is a bold expression of everlasting love. The elongated marquis-cut center stone adds elegance and edge, while the thick, polished band gives the piece structure and modern weight. Whether worn to celebrate a proposal or as a meaningful symbol of personal commitment, this ring makes a powerful impression—refined, regal, and built to last a lifetime. 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%) - Ring Weight (can vary +/- .5 grams by size)           -Platinum:                   -4.5 CT Sizes 5-13: 9g                   -5.5 CT Sizes 5-13: 11g                   -6.5 CT Sizes 5-13: 12g