neo renaissance ring
A ring of gold and light blue, black and white enamel, a cushion cut sapphire with on both sides a diamond, in neo-renaissance style, signed C.G. for Carlo Giuliano, London, ca 1890. In original case by Guichard.
ring size: 18,25 mm. 8 1/4 US.
Literature on two comparable rings: Castellani and Giuliano by Geoffry Munn, picture 161 page 147