Buy Genuine Sterling Silver Black Onyx Cross with chain here. For more info or to see another item in this category, click next item. To return to where you were before, use the current page links below. Shop Online at AllegroJewelry for a Pendant, Ring, Bracelet, Necklace or Body jewelry. Buy Onyx Pendant, Diamonds, Gemstones, Watches, Wedding Bands, Solitaires, Amethyst, Jade, Money clips, Jewelry boxes and other jewelry at discount prices. Thank you for shopping at allegrojewelry online shopping!