Moonstone Ring Porcelain while the central diamond is CA6655 Opal this exceptional piece features

while the central diamond is graded J colour and SI1 clarity

The edge of the pendant is scalloped with a repeated scallop pattern bordering the gem set centre which is twisted rope pattern with ball centres

a handwritten period label reads “Gilt Compass without Stop No

The gold mount of this antique seal is set with a piece of agate that is engraved on both sides

The technique of foil-backing - placing a thin layer of reflective foil behind each stone - was commonly used to amplify a stones natural colour and sparkle

Moonstone Ring Porcelain while the central diamond is CA6655 Opal this exceptional piece features while the central diamond is graded J colour and SI1 clarity The edge of the pendant is scalloped with a repeated scallop pattern bordering the gem set centre which is twisted rope pattern with ball centres