Rocks Chic Collection 9ct Yellow Gold Chain Necklace Decorated With Square Shapes Symbolic of Stones Found At The Giants Causway. A 9ct yellow gold long necklace with 7 Giant Causeway pebble links. A stunning necklace to wear alone or layer up with another shorter piece. Mix with other neckpieces from our Rocks Chic Collection and create a layered look unique to you.