4.51 CT Radiant Cut Diamond Half Eternity Band in PlatinumProduct Description: Nine GIA certified natural radiant cut diamonds totaling 4. 51 carats line the top half of this platinum half eternity band, graded DEF in color and VS1VVS1 in clarity. The radiant cut combines the clean outline of a square shape with brilliant faceting underneath, producing more fire and scintillation than a traditional step cut while maintaining a structured, geometric look. Each stone is set in a shared prong mounting that