Lucy Delius - Bombé 14-Karat Gold Diamond Ring - 7

Lucy Delius' pieces are made using Victorian-era techniques, so styles like this 'Bombé' ring carry heirloom appeal. It's crafted from 14-karat gold in a domed shape and encrusted with 4.10-carats of cognac diamonds in a black rhodium-plated setting for enhanced sparkle.