Cushion-Shape Halo Engagement Ring. The center diamond is framed by a cushion-shape halo and accented with three split rows of diamond side stones totaling about 2/3rd carats. Platinum enter stone setting. Shown with a 1 carat diamond (sold separately). Every Caro74 engagement ring is flanked with the signature 74 facet diamonds with a quality no less than VS clarity and G-H color, the signature "Kiss" diamond on the shank.