Gemondo 9ct Yellow Gold Peridot Single Stone Heart Stud EarringsA pair of stunning heart earrings crafted from 9ct gold, set with a round cut faceted peridot gemstone in the middle. These earrings have a post and butterfly clip and are suitable for pierced ears only. Peridot Information: Number of Stones: 2 Stone Shape: Round Stone Size: 2mm Carat Weight: 0. 07ct Natural Created: Natural Peridot Country of Origin: China Gemstone Information Peridot is one of the only gemstones which forms in only one colour green.