Shamrock Necklace Irish Saint Patricks Day Four Leaf Clover Silver Tone NC03 Luck Ireland Pendant Ships from the USA Simple Lucky Shamrock Necklace. Polished silver tone design. Pendant Size: 1 inch by 1 inch. Chain Length Laying Flat, Open from Clasp to End: 16.5 inches. Chain Extends 2 inches. Makes a perfect gift. Search Magic Metal Jewelry for more jewelry styles.