Crafted in 18k Yellow Gold, a pave true love knot punctuates the center of our Graduated Diamond Heart Love Token. The heart love token celebrates the seven classic types of love as defined thousands of years ago: Eros–romantic love, Philia–friendship, Agape–universal love, Storge–love between parent and child, Ludus–playful love, Pragma–love founded on duty & reason, Philautia–self-love.