18k white and yellow gold diamond engagement ring semi-mount, holds a gorgeous 6mm square cushion cut center stone, not included. The shank of this lovely engagement ring semi-mount is adorned with 68 G-H color eye-clean SI1-SI2 clarity natural diamond accents weighing 0.39 cttw. The double split shank measures 5.5mm wide and closes to 3mm. The cathedral lifts to 5.5mm high. This ring matches diamond wedding band 47-18K072-W, sold separately, and can also be set with a princess cut center stone. 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.