C. 1980. If you want to feel utterly elegant, reach for this stunning Estate collection necklace. Sleek links curve into a subtle V shape, e… C. 1980. If you want to feel utterly elegant, reach for this stunning Estate collection necklace. Sleek links curve into a subtle V shape, encrusted with 13.50 ct. t.w. round diamonds in 14kt white gold, while beaming 14kt yellow gold details complete the look. Figure 8 safety. Box clasp, diamond necklace. Exclusive, one-of-a-kind Estate Jewelry.