This pear shape black onyx solitaire promise ring with diamond is a unique and stylish piece of jewelry that is perfect for any occasion. This exquisite ring features a 5X7 MM pear shape black onyx center gemstone flanked by sparkling diamond side stone. The ring comes in a 3 prong setting. The black onyx gemstone is known for its grounding and protective properties, while the diamond adds a touch of luxury and sparkle. This is the perfect way to keep your promise alive with your partner.