Trinity, Three-stone Ring, Trilogy.
This style of ring goes by several names and represents the Past, the Now, and the Future.
A 18k white gold halo trilogy ring set with three natural oval shaped diamonds. The central stone is a 1.01ct and the side stones 0.32ct & 0.33ct D-IF.
Reference: Three-stone-Oval-Diamond-Halo-Ring
Reference : Three-stone-Oval-Diamond-Halo-Ring