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 6.5-7.5mm 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: .47 7.7mm wide from top across that tapers to 2.5mm bottom shank Hand made mounting under microscope setting. Mounted and hallmarked on solid 14kt white gold that weighs 4.3 grams