Certified by C. Dunaigre of Switzerland to be free of heat enhancement, this striking 4.03-carat untreated pink sapphire achieves its mesmerizingly rich rose hue naturally. The oval-shaped/mixed-cut sapphire showcases amazing transparency and achieves the quality grade of "excellent."Pink is among the most prized of the "fancy" colors in which to find this colorful gemstone, and the distinctive, rosy tone of this specimen is truly remarkable. Glistening white diamonds totaling 0.82 ctw. circle the sapphire and travel along the entirety of the platinum band.Download the C. Dunaigre CertificationClick here to view a video of this item.