It is hard to find natural Peridot this size. The oval green natural stone measures 20.3 mm x 14.0 mm x 9.7 mm which has an approx weight of 18.5 cts. The stone is a nice rich green. It is set in a heavy 14k solid yellow gold ring which weighs 12.6 grams. The ring wears to a size 11 and can be resized.