Georgian Diamond Pin Circa. 1820 British Wonderful silver pin with 13 rose and table cut diamonds. All diamonds tested with a diamond tester. Foil back (closed back) setting, therefore impossible to state color or clarity. Diamonds have an antique mirror-like quality. Original pin in back. All original, all Georgian. Measures 1 inch in diameter. 6.1 gr. 3.9 dwt. In pristine original condition.