Jean Dousset Cartier 14K White Gold 1.5 Carat Diamond Invisible Setting Engagement Wedding Ring Set. The engagement ring features 1 oval cut diamond, surrounded by numerous brilliant round diamonds, weighing a total of 1.81 carats and the band contains .72 carats of diamonds. The diamonds are G color SI1 clarity. The set weighs 6.5 grams. It is a size 6.5. Sizing is available.