An 18ct gold emerald set frog ring, c.1990, An 18ct gold emerald set frog ring, c.1990, with cabochon emerald set eyes. A deeply textured body with limbs and feet that hug the trifurcated shoulders to a plain shank, London 1991. Frog 28mm x 20mm approximately, 14.71g. Finger size J Buying this gemstone ring at auction could save up to 0.42 tonnes of CO2e compared to buying new. Condition Report: A bespoke piece, probably a frog brooch by Cropp and Farr, converted to a ring for commission. Light surface marks commensurate with its age. Noticeable scratches and marks to the lower shank. Damage to one emerald eye.