A diamond and boulder opal pendant
The oval boulder opal, weighing approximately 37.35 carats, to a brilliant-cut diamond line surround with pierced reverse, to the pavé-set brilliant-cut diamond pendant loop, mounted in 18ct white gold, London hallmark, 5.3cm long
Accompanied by report no. 04870 dated 18th November 2011 from The Gem & Pearl Laboratory, London, stating that the boulder opal is natural, in its own matrix