A Blonde and Her Bag Michelle Bar Necklace in Sapphire. The Michelle collection is named for my ideal travel companion, Michelle, a disciplined, strong and dependable friend who makes exploring the world so much fun. A 14k gold fill or sterling silver chain strung with petite semi-precious sapphire stones. The perfect necklace to be worn individually or layered. Available in 14k gold fill or sterling silver. This product is made of metal alloy (silver and copper and other metal alloy) with high quality plating (It will last for a long time without tarnish).