Platinum engagement ring centered with one cushion cut modified brilliant diamond weighing .90 carats GIA diamond dossier # 2121967772 states the diamond to be I in color and VS1 in clarity and measuring 5.57x5.32x3.67mm with no fluorescence. Prong set with 29 round brilliant cut diamonds weighing .21 carats total weight of H color and SI clarity finger size 6.50