Antique 15ct Gold Onyx & Diamond Picture Locket

A fabulous Victorian 15ct yellow Gold Onyx and Diamond picture locket, comprising of a lovely yellow Gold letter G inset with 8 beautiful Old Cut Diamonds on a lovely black Onyx background. Set with Onyx on the reverse. Original glass inside (can be removed). Locket measures approx 2.2cm (0.86 " ) tall, excluding pendant loop X 1.9cm (0.74 " ) wide. Unmarked tested as 15ct. Circa 1870.