The Disney Treasures The Nightmare Before Christmas Black Onyx & Diamond Ring is a stunning piece of jewelry featuring a round black onyx main stone with a prong setting style. The silver ring is designed with a Disney theme, specifically catering to fans of The Nightmare Before Christmas. This unique ring is perfect for special occasions like engagements, weddings, anniversaries, and birthdays. The inclusion of a single diamond adds a touch of magic and elegance to this whimsical and enchanting piece.