When the occasion calls for sparkle, this lab-grown diamond knot ring is a fashion-forward choice. Platinum plating over sterling silver round-cut lab-grown diamonds decorate three sides of the twist that creates the loose center knot more round lab-grown diamonds line the top and sides of the domed shank independently certified total lab-grown diamond weight is 1 carat a single lab-grown diamond in milgrain detailing is a signature element of the collection from the monique lhuillier bliss collection, available exclusively at kay