Late 20th century 12k Rose gold hinged bangle. In the front gypsy set one round cull cut diamond, 2.7mm approx 0.08ct. Bangle is hollow, 6.2mm tall and 5.2mm deep, 7.5" inner measurement. Dimension 2 1/4" x 2 1/8", weight 8.8 gram, no hallmark, XFR tested for 12K. 

There are few small dents, with one bigger dent inside the bangle, which is invisible while in use.