This 14-karat white gold ring mounting features an eye-catching open filigree design and a center mounting that accommodates one .20-ct. (3.7mm, approx.) round faceted stone. The shank, sides of the shank and the halo around the center mounting are set with four .9-pt, 12 .8-pt., four .6-pt., four .5-pt., and 42 .4-pt. round diamonds (SI1 clarity/G, H color; 34.4 pts. TW) in shared 4-prong mountings. Cut a seat in the prongs to accommodate your stone, then burnish the prongs over the stone to secure it in place.