BoVory Collection Natural Dark Jade Heart Pendant with Koru Spiral Hand carved jade heart with Maori koru design. Size: 3.3cm (33mm) W x 3.0cm (30mm) Inches 1.3 W 1.1 L Natural, untreated, True Nephrite Jade As this is a hand-crafted item made from natural, untreated, jade, please allow for variations in color and size that are consistent with this fact. As in New Zealand, this item comes on a one size fits all, basic black cord.