A halo of natural diamond accents surrounds a 5.5×5.5mm princess cut center stone, not included, in this gorgeous 18k white gold engagement ring with G-H color eye-clean SI1-SI2 clarity natural diamond accents weighing 0.66 cttw. The halo is 5mm high and 10mm square. The shank is 2.5mm wide. This engagement ring coordinates with wedding band47-18K046-W, sold separately, and can be set with a square cushion cut center as well. This ring is priced as a semi-mount only without a center stone.