Georg Jensen Sterling Silver Ring designed by Henning Koppel with Black Stone No 242

Georg Jensen Sterling Silver Ring designed by Henning Koppel with Black Stone No 242. Large nice ring, that is 4.7 cm / 1 7/8 in. long Ring size: 53-54 or US size 6 1/2-6 3/4 Weight is 31.9 grams / 1.13 oz.