Plunge Three Stone | OvalLow Profile Oval Three Stone Engagement Ring with Tapered Baguettes Take the plunge into our best selling, signature setting. The Plunge Three Stone features an oval cut diamond accented by pear side stones, seamlessly set into the band for a more comfortable, understated take on the classic three stone engagement ring. Refined claw prongs hold the center stone in place, while the sculptural open basket keeps the profile low and full of light.