Sacred Heart Earrings: 13mm heart studs with 7mm freshwater pearls Virtue Pearl Necklace: 17"+ 2" extension, 5mm freshwater pearls Sacred Heart Necklace: 17"+ 2" extension Divine Elegance Cross Necklace: 19"+ 2" extension, genuine mother of pearls His Cross Necklace: 21" Full Heart Earrings Full Heart Necklace: 17" + 2" Extension Material: 18K Gold Plated. All pieces are hypoallergenic & water-resistant. All of the pieces come with a lifetime warranty.