Decorative loop brooch with central edging from an old cut diamonds, proved, with a diameter from approximate 4, 0 mm from approximate 0, 34 ct. And revolving edging from diamond roses (two at inconspicuous place missing). No longer usable hinges at the loop curvature wise on a later re-engineering to the brooch there. Unpunched. Ca. 4, 8 x 2, 5 cm. Ca. 9, 9 large