This charming 18k gold engagement ring semi-mount holds a 5x5mm princess cut center stone, not included, surrounded by 56 G-H color eye-clean SI1 clarity natural diamond accents weighing 0.70 cttw. The shank measures 2.5mm at the bottom then splits to 4mm wide. The halo is 9mm square in diameter. The gallery is 5mm high and features a designer inside under gallery. This fabulous split-shank engagement ring semi-mount can also be set with a square cushion cut center stone and matches wedding band 47-18K018-W, sold separately. This engagement ring is priced as a semi-mount only. It does not include a center stone. Call us today for a quote on mounting your favorite stone in this ring.