Diamond, Ring, Sapphire A Stunning Van Cleef & Arpels, An Invisibly Set Ring, designed with a central circular cut diamond weighing 5.22 carats, E color, SI2 clarity, to the invisibly set. July 2, 2023 sensualsapphires A Stunning Van Cleef & Arpels, An Invisibly Set Ring, designed with a central circular cut diamond weighing 5.22 carats, E color, SI2 clarity, to the invisibly set.