This pendant is made of 9 carat gold and is set with a large Australian Coober Pedy opal. The stone weighs ca. 4 carat and has a cream-coloured background with flashes of green, blue and orange-red. It is 1.5cm wide across the top and 1cm high. The entire pendant is 2.8cm long and 2cm wide. It weighs 3.76 grams. The back of the hanger is hallmarked for Edinburgh 2016. It is a substantial, elegant piece of jewellery, that will not fail to get noticed.