A lever back is a hinged wire loop for drop and dangle styles that locks through the piercing. A clutch back grips a straight post, which is what you'll most commonly find in stud earrings.
Style Notes
Minimalist modern, men's jewelry, sports-adjacent pieces, vintage-inspired design, the bezel covers that range because a clean enclosed form works for both contemporary aesthetic reasons and practical high-wear requirements.
The Perfect Gift
Lapis lazuli as a ninth anniversary stone works on two levels at once: the gifting tradition and the material history. A stone with a six thousand-year reputation for enduring worth resonates with an occasion about a relationship becoming increasingly valuable over time.