From the leo® legacy lab-grown diamond collection, this marquise-cut engagement ring combines the best of modern and classic styles for a truly enchanting look. 14k yellow gold round-cut lab-grown diamonds brightly halo the 1/2-carat marquise-cut lab-grown diamond centerpiece ribbons of round-cut lab-grown diamonds interweave on the twisted shank total lab-grown diamond weight is 1 carat the independently certified center lab-grown diamond comes with a gemex light performance report the leo® legacy lab-grown diamond features additional facets that are strategically placed to maximize the return of light and create faraway sparkle