These designer inspired black onyx stud earrings are made of solid .925 sterling silver and dazzling black cubic zirconia. The Princess Cut earrings feature a black onyx invisible cut stone. With its push back closure this men's stud earring will remain secure on your earlobe. A stud set for the man who likes to go for a more subtle, sophisticated look. Onyx insets rest inside a rhodium plated trigger backing mechanism for a the most suitable of tuxedo studs. Set includes 4 Onyx and Silver Studs.