There was a time when peridots were reserved for August babies, but today this popular birthstone is trendy with everyone. The 9mm Oval-Cut Peridot on 14K Yellow Gold Necklace reflects light off of this brilliantly cut peridot gemstone pendant. The 14K gold chain and setting is the perfect accompaniment to the light green stone as it has a deep undertone with yellowish hues. Green is a trendy color for clothing today and with this peridot necklace youll reflect luminescently and perfectly match your favorite clothes. 18 cable chain.