PalmBeach Jewelry 18kt Yellow Gold Plated Genuine Onyx and Cubic Zirconia 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 Revisit the glamour of the Art Deco period. This bold onyx ring offers a sleek and sophisticated geometric brilliance to your hand. The show-stopping onyx center stone is wrapped in two rows of sparkling cubic zirconia accents. Wear it to the office or with that little black dress. 18k gold-plated. Sizes 6-10.