The blue and gold spiked choker necklace from K. Amato is impressive to say the least. The weighty gold tone curb chain against the brightly colored bib portion of the piece fit with each other perfectly. The necklace fastens with a lobster claw closure. Metal: Gold plated. Stone: Blue agate. Chain length: 16 inches, 2 inch extender. Pendant dimensions: 4 inches x 3 1/2 inches.