0.84 ctw Diamond Halo Engagement RingPlatinum emerald shape halo semi mount ring with a four prong setting for a 3. 00 carat emerald cut center. Features a diamond gallery and diamond crown, accented with 2 emerald cut diamonds totaling 0. 32 carats (GIA #5234120161) and 100 round diamonds totaling 0. 52 carats, all prong set. Diamonds are GH color and SI clarity. Center sold separately. Available by special order in other metals, shapes, and sizes.