C. 2000 Vintage Tiffany Jewelry "Elsa Peretti" 18kt Yellow Gold Open-Space Heart Earrings. C. 2000. From Tiffany Jewelry's iconic "Elsa Peretti" line and our Estate collection comes this simply beautiful pair. The open-space heart earrings exhibit smoothed outlines for a contemporary look that glows in 18kt yellow gold. Clip/post, Tiffany Jewelry "Elsa Peretti" 18kt yellow gold open-space heart earrings. Exclusive, one-of-a-kind Estate Jewelry.