Vintage 9ct Yellow Gold Opal Matrix (Treated) Ring Hinged compartments closes very tightly

Hinged compartments closes very tightly and is secure

Cutting’ which we strongly believe given the style of the marks to be an early Australian maker

Bolt ring is very strong and works perfectly

We believe the Pearl may be a later replacement but frankly it looks beautiful

Designed as a sovereign case with either engine turned or quite possibly hand texturing to the front and rear of case

Vintage 9ct Yellow Gold Opal Matrix (Treated) Ring Hinged compartments closes very tightlyAlmost all treatable matrix opal comes from the Andamooka opal fields in South Australia. For almost 40 years, Andamooka matrix opal has been colour enhanced by sugar acid treatment of the pre polished matrix opal. This fine example dates to around the 1970s or thereabouts and is centred with a stunningly pretty treated matrix Opal displaying an intense play of colour with rolling flashes of vibrant greens, blues, oranges and yellows, all against a