The pendant which is marked 14k is solid yellow gold and weighs 17.9 grams. It measures 1 3/4" x 1 1/2". The carving is of a squirrel carved from natural opal. The high relief opal is 3/8" thick. It shows a squirrel running across a rock. There is a large loop at the top to accommodate a chain. The opal has no cracks or chips.