C. 2000. Like a disco ball, but better -- because you can wear it. From our Estate collection, this shimmery 14kt yellow gold popcorn-chain … C. 2000. Like a disco ball, but better -- because you can wear it. From our Estate collection, this shimmery 14kt yellow gold popcorn-chain necklace features tiny flat surfaces expertly designed to shine. Wear it as is, or add your favorite pendant for a personal touch. Lobster clasp, 14kt yellow gold popcorn-chain necklace. Exclusive, one-of-a-kind Estate Jewelry.