This luxe le vian couture® ring for her features a large cushion-cut blueberry sapphire™ at the center, framed by luscious vanilla diamonds®. Two half-moon shaped vanilla diamonds® shine brightly on each side and round diamonds swirl down the 18k vanilla gold® band for a total diamond weight of 1 1/2 carats. Le vian®. Discover the legend. This ring is available in limited sizes. If you don't see your size here, please visit a store to order your ring.