gold ring with ruby, diamond and onyx

An 18 carat gold ring by Jacob de Groes set with a cabochon cut ruby incrusted with a brilliant cut diamond next to a flat textured moon shaped onyx.

weight: 19.12 gram
width: 6 – 18 mm.
ring size: 16 mm made smaller with gold balls so easily enlarged when removed.

MakerJacob de Groes
Please find me a jewel like this