2 KC STUDIO STERLING CUFF BRACELETS: 1) Sterling Tortoise and Hare bracelet by Barry Kieselstein. 6'' around with .75'' opening 69.8 grams; 2) Barry Kieselstein Cord KC Studio Sterling Silver 14K Bee Flower Ring 2007. Measures 6.25'' around with .5'' opening. 72.2 grams. Both bracelets marked KC Studios 2007 925.