18K repoussé ring by Margaret Barnaby -- entirely hand hammered in 18K green and rose golds to create the sculptural dimensionality of the ring, balances a free-form Mexican fire opal, deep orange in color with flashes of green and blue, with a gold arch that reflects and protects the gem, bezel set in a free-form 18K bezel. 3/4" across the finger x 5/8" long.