Here is a semi mounting engagement diamond ring in a contemporary white gold setting at the center is a ready 6 prong mounting that will fit a 5-6.5mm of round diamond shape or a gem stone of any type The engagement ring holds natural round brilliants diamonds on the sides G color SI-1 excellent cut clarity prong setting TOTAL CARAT WEIGHT: .62 7.7mm wide from top across that tapers to 3.3mm bottom shank