18k (750 thousandths) bank gold ring on a 1950s setting adorned with a saturated blue aquamarine of approx. 6.50 ct. surrounded by small diamonds, a brake ring in the body of the ring. Dimensions of the aquamarine: 13.09 x 11.15 x 6.95 mm. Finger size: 51 Gross weight: 6.7 g.