Sparkling Swarovski crystal birthstone necklace on 14K gold chain, minimalist in style, pretty and petite. A three inch chain extender is included to make your necklace adjustable. We offer our necklaces in 16 and 18 inch lengths. For other sizes or chain, contact us with your custom request. 14K gold filled chain 4 mm Swarovski crystal birthstone 3 inch chain extender included