These are authentic BULGARI 18K Yellow Gold Malachite BVLGARI BVLGARI Stud Earrings. The earrings are crafted of 18 karat yellow gold and feature the BVLGARI logo framing a polished central malachite stone. Follow this item for alerts. Bulgari is a registered trademark of Bulgari. FASHIONPHILE is not affiliated with Bulgari.