Uneek Fiorire Emerald-Cut Diamond Halo Engagement Ring with Pave Shank and Under-the-Head FiligreeEmerald cut diamond halo engagement ring, designed to fit a 7. 5 X 5. 5 mm center, with 36 round brilliants U pave set along the halo and halfway down the shank; this style features a dainty lotus flower inspired filigree design, also, cascading under the head, and two "surprise diamonds" embedded in the filigree; from Uneek's Amore Collection.