Sterling Silver Our Lady of Guadalupe Heart Shaped Pendant with Design and an 18 Inch Link Necklace (I-1592) This 1mm necklace measures 18 inches. This pendant measures .75 inches from left to right, and 1.15 inches from top to bottom. This pendant and necklace weighs 2.96 grams. High Quality 925 Sterling Silver Jewelry! Ships from USA, Guaranteed!