Pendant with Created Emerald and Cubic Zirconia in Sterling Silver with Chain. Scattered cubic zirconia accent a gorgeous emerald cut created emerald for a Pendant with Created Emerald and Cubic Zirconia in Sterling Silver with Chain. Scattered cubic zirconia accent a gorgeous emerald cut created emerald for a pop of color and sparkle that will make a statement. Cleaning and Care To prevent/remove tarnish, polish pieces regularly using a non-abrasive cleaning cloth. If needed, use a liquid silver polish with a soft, smooth cloth. Do not polish gemstones or pearls with silver polish. Storing pieces in individual chamois or zip-lock bags can prevent tarnishing.