With the colours of a tropical sea, this breathtaking opal is an Australian boulder opal from outback Queensland. Surrounded by solid 18K gold, it is a true desert beauty; with over 60ct of a stunning gem-grade boulder, this is a once-in-a-lifetime opal. This piece is supplied with two chains. One is solid 18K gold rope chain and the other is a Kangaroo Leather chain with solid 18K gold fittings.