Octopus’s Garden everyone’s favorite creature it is an adjustable Y neck in pewter with Swarovski Crystals in turquoise, aqua, and aurora borealis peridot. Approximately measuring 18” plus a 3” extender with a starfish charm on the end so you can see it in the back and the drop from the octopus is 5&1/2” long. The octopus approximately measuring 1&1/2” circumference.