Uneek Princess-Cut Diamond Halo PendantContemporary princess cut diamond halo pendant necklace, made to fit a 4. 5 X 4. 5 mm center, with 16 round brilliants U pave set along the square halo, plus three more rounds U pave set down the bail (total diamond count of 19, with a combined weight of 0. 15 carats); the modern shape of the halo makes this pendant perfect for everyday wear; designed to match one of Uneek's bestselling engagement ring styles, the LVS899; comes with a 16" chain;