From the Rock Candy® Collection. 18-karat yellow gold. Doublet center of round-cut green-gold citrine over pyrite. Pave diamond halo, 0.26 total carat weight. Face, approx. 3/4" diameter (20mm). Imported. About Ippolita: Renowned for creating effortlessly chic jewelry, Ippolita Rostagno launched her successful 18-karat gold collection in 1999. Combining the rich Florentine aesthetic of her Italian heritage with a modern flair, the unique designs of her handcrafted jewelry have developed a fan base that includes celebrities around the globe.