Canmiya Women's 925 Sterling Silver Synthetic Blue Opal Starfish Pendant Necklace Canmiya Women's 925 Sterling Silver Synthetic Blue Fire Opal Starfish Pendant Necklace Pendant size: 25*4*25mm; Pendant weight:3.30g; Metarial: 925 sterling silver, Synthetic Blue Fire Opal ; Necklace can be adjustable to 18 inches;Necklace weight:1.24g; Best gift for your friends, your family and yourself.