A single diamond held by four double claws, eight fine prongs in all, which cradle the stone a little more securely and catch the light at the corners. The band is otherwise plain, so the diamond does the work. Choose your centre diamond and shape; designed in CAD and hand-finished in Hatton Garden. Centre stone Your choice, 0.50 to 3.00 ct, GIA or IGI certified Diamond shapes Round, princess, cushion, oval, pear, emerald, heart, asscher, radiant or marquise Setting Four double claws (eight prongs) Metal 9ct, 14ct or 18ct white, yellow or rose gold, or 950 platinum Band width 2.60 mm Designed in CAD and hand-finished in Hatton Garden, hallmarked at the London Assay Office.