4.52 CT. Oval and Half Moon Cut Diamond Three Stone RingProduct Description: A natural oval cut diamond takes center stage in this platinum three stone ring, flanked by two half moon cut diamonds that fit seamlessly against its curved edges for a continuous line of brilliance totaling 4. 52 carats. The oval center maximizes face up size and produces the lively sparkle and fire that makes this cut one of the most sought after shapes, while the half moons add width and architectural balance to the overall