Watch List notes:

Turquoise and diamond brooch, a voided circular brooch (30mm), in gold with a raised central polished circular blue cabochon turquoise, below this is a border of small diamonds and below and around the lattice pattern are set six individual oval blue cabochon turquoise and around the base is a band of small diamonds, all stones are claw set, on the back, behind the central stone is a clear capsule containing a locket of hair, pin-back and with a safety chain, around the edge of the back is inscribed, 'Victoria, R. 16 Feby 1857', in a silk drawstring bag. Good very fine.

Perhaps a gift from Queen Victoria.