A black opal, and diamond three stone ring. The opal, 2.12cts. Diamonds totalling 0.60ct.

A black opal with distinctive blue tones, 3.26cts. With baton diamonds.

A black opal and diamond ring. The fine black opal approximately 2cts.

A 1920's opal and diamond ring. The opal 1.15cts. The bording diamonds totalling 0.56ct.

An Edwardian, opal and diamond ring.

A white opal, 4cts. Brilliant cut diamonds, 1.70cts.

A cabochon opal ring, 2.50cts.

A white opal and diamond ring.

A Victorian 18ct gold turquoise and diamond ring.