Dalmatian Jasper Disc necklace on 14k gold filled 20 inch satellite chain. Gemstone: Genuine Dalmatian Jasper Size: 20mm diameter Note that due to the handmade nature of these genuine stones, measurements are approximately and might vary slightly for each stone. Chain: 18 or 20 inches satellite chain Chain Material: 14k Gold Filled with spring ring clasp. Bail of the pendant is Vermeil Gold (14k gold plated over Sterling Silver) Model is wearing 20 inch chain.