Opal and Diamond Pendant

the central Andamooka oval opal surrounded by 35 old mine cut diamonds, accompanied by box and two valuation certificates

Measurements:: approx weight 12.2gms
Provenance:: The opal comes from the famous opal mining town of Andamooka, South Australia. An Andamooka Opal was presented to Queen Elizabeth II on the occasion of her first visit to Australia in the 1950s