Perfume Diffuser Necklace, $125 - Materials: shatterproof glass pendant, plastic pipette (for inserting perfume) and gold fill chain/findings. Size: glass scent trap is about 1 1/4" tall and just under 3/4" wide. Chain is 1mm wide and 24" long. Ingenious: a handblown glass globe with a one-way entry point at the bottom. Using the little pipette included with your necklace, squirt in some of your own perfume or essential oil. The heat of your body warms the scent and makes it extra-fragrant.