The Lovery Agate Starburst Heart Paperclip Necklace is in 14K Gold-Plated Sterling Silver and features 1 agate heart accented with round cubic zirconia in a starburst design. The heart measures approximately 20 millimeters - 0.79 inch. This piece has an adjustable chain length of 15.5-17.5 inches and is finished with a lobster clasp.