The August birthstone is the Peridot gemstone. It is also the stone associated with the Zodiac sign Leo. Known as the “evening emerald” by the ancient Egyptians, Peridot is also called the stone of the sun. It’s one of the chicest and most sophisticated of the semi-precious stones. A hugely fashionable gemstone in Victorian times, Peridot is back on trend with it’s luminous green tones offset equally well by silver, gold and rose gold settings. The perfect gift for August babies, Peridot birthstone jewellery is popular all year round.