GIA-certified halo engagement ring with 4.51 Ct natural fancy yellow heart-shaped diamond with VVS2 clarity and 18k yellow gold and platinum setting. 4+ carat natural fancy yellow heart-cut diamond engagement ring on 18k yellow gold and platinum setting with pink diamond halo. Playful and chic, this engagement ring from Scarselli is defined by the 4.51-carat natural, fancy yellow heart-shaped diamond. As a company that specializes in natural fancy-colored diamonds of the highest quality, this GI