Precious London Blue Topaz weigh 7caratts. Finecrafted in checkerboard cut that reflects lights from all angles. Brilliant piece of royal blue jewel. Base metal: 925 silver coated with layer of rhodium. Stones on band: Natural swiss marcasite. Customised item: Please leave us a message @'Contact Us' on homepage. To watch her video, please visit facebook.com/marcasitesilver Thank you.