J.Works 18K Purple Gold Jewelry from Japan uses an alloy of gold, aluminum & minerals » Gadget Flow

Created after decades of work, the J.Works 18K Purple Gold Jewelry from Japan comes from a gold and aluminum alloy with other minerals. You already know of 18K yellow gold, 18K white gold, and 18K pink gold—18K purple gold is the next thing. This timeless jewelry collection is the result of decades of research and testing to create durable, beautiful purple gold jewelry. Elegant and unlike anything else, this series embodies the spirit of Japanese craftsmanship and suits any occasion. Choose from 3 charms—heart, crescent moon, and star—that each have delicate designs. In fact, you can wear these petite charms on necklaces or earrings. Customize your jewelry as you wish, wearing charms individually or all together. Overall, from a company based in Okachimachi, Tokyo, Japan, this collection of purple gold jewelry comes from experienced, award-winning craftsmen.