Lady's Diamond Engagement. Metal Type: 18K white gold stamped "750" weighing 2.33 with the gemstones in place. dimensions: 23.38 x 20.51 x 1.80 mm. Design: split shank halo top ring with a composite center made of baguettes and round diamonds. Diamonds: (56) Round brilliant cut Diamonds (5) Baguette Diamonds Approximately 1.0 ct total weight Average Color Grade: G-H Average Clarity Grade: SI1-SI2.