PalmBeach Jewelry Heart-Shaped Genuine Onyx Cubic Zirconia Accent 14k Gold-Plated Cocktail Ring FREE SHIPPING on orders of $30.00 or more - Top Rated Seller - Trusted Since 1952 - 90 Day Guarantee - Easy Returns - Free PalmBeach Jewelry Gift Box Black Onyx is a variety of the gemstone chalcedony, dramatic in color and rich in history. Ring Style: Cocktail A ribbon of cubic zirconia accents makes this heart-shaped onyx ring the perfect present or just keep it for yourself. It's the perfect accessory to show that you have both heart and style. 14k Gold-Plated. Sizes 5-10.