An Amethyst and Diamond Brooch
Having a central oval amethyst set in reverse with a polished cabochon uppermost and a faceted back. This 'backwards' effect allows light to reflect off the back facets through the smooth cabochon surface. The central stone is mounted in an ornate diamond frame.
Mounted in platinum.
French, circa 1910.
Overall size is approximately 42mm x 22mm
Amethyst size is approximately 20mm x 13.5mm with depth of 8.71mm
Amethyst is approximately 12ct - 13ct.
Having a central oval amethyst set in reverse with a polished cabochon uppermost and a faceted back. This 'backwards' effect allows light to reflect off the back facets through the smooth cabochon surface. The central stone is mounted in an ornate diamond frame.
Mounted in platinum.
French, circa 1910.
Overall size is approximately 42mm x 22mm
Amethyst size is approximately 20mm x 13.5mm with depth of 8.71mm
Amethyst is approximately 12ct - 13ct.
Having a central oval amethyst set in reverse with a polished cabochon uppermost and a faceted back. This 'backwards' effect allows light to reflect off the back facets through the smooth cabochon surface. The central stone is mounted in an ornate diamond frame.
Mounted in platinum.
French, circa 1910.
Overall size is approximately 42mm x 22mm
Amethyst size is approximately 20mm x 13.5mm with depth of 8.71mm
Amethyst is approximately 12ct - 13ct.