Roman Glass & 925 Sterling Silver Jewish Chai Necklace - Judaica Jewelry Gift . Chai necklace with Dumortierite gemstones and genuine ancient Roman glass in center. All metal parts made of 925 Sterling Silver. The silver is actual silver, not bonded or plated. Hand Made in Israel. Size of the pendant: 1.8x1.8cm/0.7x0.7inch Length of the chain: 42cm/16.5inch