An Elegant Engagement Ring! Diamond engagement ring. Metal Type: 18K white gold stamped "18K", weighing 1.97 dwt with the gemstones in place. Dimensions: 24.21 x 21.0 x 2.0 mm. Design: square halo around a round center gemstone, split shank side that cross. Prong set diamonds in the shank. condition: worn - refurbished to like new. Center Diamond: Round brilliant cut Diamond, approximately 0.25 ct, Color Grade: I, Clarity Grad: SI2. Accent Diamonds: (70) round brilliant cut diamonds, Approximately 0.50 ct, Color Grade: F-G, Clarity Grade: SI1-SI2