The intaglio dates to the 1st - 2nd century AD, the high carat gold ring is modern.
Ring size P 1/2 UK / 8 US.
The intaglio measures 1.2 x 1cm.
The intaglio depicts a fisherman standing with his fishing rod in hand, waist deep within the water, the black band within the agate used as the water line at the fishermans waist, his line moving with the motion of the water, a fish at its end.