Fall in love with this beautiful pair that feels easy to wear yet looks absolutely stunning on everyone Huzurr Emerald Studs Gold Plated Heart Style Lock & Key Earrings,these pair of stud earrings, one shaped like a heart-shaped padlock and the other like a key. These earrings made of gold plating and feature a minimalist design. The key earring has a green gemstone, possibly an emerald, set in the center of the heart.