Joan collins Black Enamel Heart with Swarovski Crystal Accents Clip On Earrings featuring a lovely pair of black enamel clip on earrings by Joan Collins with Swarovski crystal accents, with plenty of fire, three in a central heart, and single Swarovski crystals at the base and on each curves. They are signed on round cartouches 'JC' in script on the reverse, and they measure 2.3cm high, and 2cm at the widest point and together they weigh 14.2g. Lovely earrings with fabulous fiery Swarovski crystals. Joan Collins launched her costume jewellery line in 1989. The line was called "Joan Collins Dynasty Collection," and it was inspired by the glamorous character she played on the popular 1980s TV series "Dynasty." The collection featured a range of pieces, including earrings, necklaces, bracelets, and brooches, and was designed to be affordable and accessible to a wide range of consumers.