Here is a semi mounting engagement diamond ring in a contemporary white gold setting at the center is a ready 4 prong mounting that will fit a 6- 6.5 mm of princess / square diamond shape or a gem stone of any type (about 1.0-2.0carats) The engagement ring holds natural round brilliant diamonds on the sides G color S-I1 clarity prong setting TOTAL CARAT WEIGHT: .50 9.3mm wide from top across that tapers to 2.1mm bottom shank Available in size 5.5 but can be sized for FREE Mounted and hallmarked on solid 18kt white gold that weighs 3.9 grams