A set of two rings featuring a boulder opal in 18ct yellow gold with a diamond highlight in 18ct white gold. The opal is channelled to accept a strip of diamonds; a design feature that serves to finalise the setting of the opal.

A set of two rings featuring a boulder opal in 18ct yellow gold with a diamond highlight in 18ct white gold. The opal is channelled to accept a strip of diamonds; a design feature that serves to finalise the setting of the opal.