6.39 CT Cushion Cut Yellow Sapphire and Round Brilliant Diamond Ring in 18K White GoldYellow sapphire and diamond pav ring in 18K white gold. This exceptional design features a vivid 4. 50 carat cushion cut yellow sapphire, framed by 156 round brilliant diamonds totaling approximately 1. 89 carats (FG color, VS clarity). The striking contrast between the rich yellow sapphire and the brilliant white diamonds creates a radiant, luxurious presence that captivates from every angle. With a total carat weight of approximately 6. 39 carats,