TOUS Good Vibes four-leaf clover – horseshoe earrings in silver vermeil. Earrings size: 1 cm. Push back. Sterling silver plated with 18kt gold with a thickness of 3 to 5 microns and with no other metal between them. Production technique: Microfusion. Certificate of guarantee: 925 sterling silver plated with 18kt gold . To esure your vermeil TOUS jewelry always sparkles like new, at TOUS we offer a gold plating and restoration service.