A 15ct. gold and opal necklace, two Lightning Ridge black opals set in a gold chain with a centre drop, a 2.3ct. oval cabochon opal with a green/orange/blue block colour flash, claw set and suspended from a very fine gold chain, with a central gold bar suspended from base with a further 2.5ct. teardrop shape opal with a green/blue large block colour flash; push clasp