This lovely 18k white gold gemstone engagement ring semi-mount holds a beautiful 6. 5mm round center stone, not included, surrounded with G-H color eye-clean SI1 clarity natural diamond accents weighing 0.40 cttw. The shank is 2.5mm wide with a 7mm high gallery with front and back open scroll design. The halo is 10.5mm round. It coordinates with diamond wedding band 47-18K065-W, sold separately. This engagement ring is priced as a semi-mount only. It does not include a center stone.