Platinum Princess Cut And Trapezoid Cut Diamond Halo Engagement RingCrafted of luxurious platinum and set with numerous diamonds, this engagement ring is opulence personified. The 2. 00 carat princess cut center diamond is flanked by two 0. 30 carat trapezoid cut diamonds, and all three of those stones are embraced by halos of round diamonds. The shank is also set with diamonds continuing halfway around the ring, enhancing the brilliance of this ring.