Uneek Oval Diamond Engagement Ring Petals Collection Round Diamond HaloDainty blossom inspire the halo of this romantic engagement ring! Round diamonds form 'petals' framing the center diamond making it look bigger than it actually is; the 0. 60 carat oval diamond that you see pictured here definitely looks a lot larger, thanks to the 9 round diamonds surrounding it; 20 smaller rounds, graduating in size, line the tapered, delicate looking upper shank; this style can accommodate different center stone shapes cuts,