This 925 Sterling Silver Ring features a beautiful oval-shaped Black Opal with a rainbow luster, accented by emerald and Tourmaline gemstone. The cocktail style ring is perfect for various occasions such as engagements, weddings, anniversaries, and birthdays. The nickel-free ring  and features a solitaire setting with accents, making it a stunning piece of fine jewelry. With a total carat weight of 4.2 grams and excellent cut grade, this unique ring adds a touch of beauty and sophistication to any outfit.