Sterling silver 925 double hoop earring with "jet" zirconias and chain Minimum purchase 1 unit. Wholesale of double hoop earrings with jet zirconias joined by a chain in sterling silver. Each hoop is sized 10mm. Small earrings perfect to wear in multiple piercings and with other zirconia earrings. They'll give you a unique and original look at the same time. The colour of the stones may vary.