A tourmaline and diamond ring

A tourmaline and diamond ring

Centring an oval-shaped green tourmaline, weighing approximately 3.30 cts, to a round brilliant-cut diamond surround and gold leaf accents;
signed White, estimated total diamond weight: 0.65ct; mounted in 18ct bi-coloured gold; size O 1/2

For further information on this lot please visit the
Bonhams website