This elegant le vian couture® ring for her features a luxurious costa smeralda emerald™ at its center, framed by rich swirls of vanilla diamonds®. Three rows of additional vanilla diamonds® line each side of the band, giving the ring a total diamond weight of 1 1/5 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.