A Beautiful Infinity Loop Diamond Ring. Diamond engagement ring with a Lab grown center gemstone. Metal type: 14K white gold stamped "14K" and "MARS" weighing 1.40 dwt with the gemstones in place. Dimensions: 23.98 x 20.38 x 1.74 mm. design: Cathedral style shank with infinity loop shanks. Solitaire center. Center Diamond: Lab Grown round brilliant cut Diamond, 5.21 - 5.23 x 3.12 mm, Color Grade: E, Clarity Grade: VS2 GCAL Cert. # 312070174. Accent Diamonds: (52) Round brilliant cut Diamonds, 0.28 ct total weight, Color Grade: F-G, Clarity Grade: SI1-SI2