0.41 ctw Diamond Halo Engagement Ring14K yellow gold cathedral style semi mount ring designed for a 2. 50ct emerald cut center. Features a milgrain diamond halo with double 4 prong setting, a square shank, and 36 prong set round diamonds totaling 0. 41 carats. In store ring is a sample. Available by special order only. Other metal colors, types, diamond shapes, and sizes are also available by special order. Center sold separately.