Simon G. Contemporary Cathedral Diamond Engagement RingThis Simon G. contemporary cathedral diamond engagement ring, featuring 0. 30 carats round cut prong set diamonds, is the perfect mix of modern architecture and classic sparkle. The unique tension set style gives your center stone a floating appearance while the cathedral shoulders provide a sophisticated silhouette that really pops on the hand. It is a fresh take on a traditional look that manages to be both bold and incredibly wearable for your