0.37 ctw Diamond Solitaire Engagement Ring18K white gold and platinum semi mount ring designed for a 3. 00ct emerald cut center in a 4 prong diamond accented head, including the gallery and prongs. Features a classic French cut shank set with 80 round diamonds totaling 0. 37 carats, all in F color and VS clarity. Center sold separately. Available by special order in other metals, shapes, and sizes.