gold ring with coral

An 18 carat gold ring set with a large round cabochon coral, the shank has triangular decorations, signed: Jacob de Groes.

weight: 19.19 gram
ring size: 16.25 mm
diameter: 1.8 cm
width: 0.5-1.8 cm.

MakerJacob de Groes

Please find me a jewel like this