Lalique Heart Necklace Charm Black 925 Silver The black heart measures W1.6cm x H1.5cm, and the cord is 85cm long. A replacement cord and case are included. Cleaned using an ultrasonic cleaner. This item is authenticated and purchased from a brand-specialized antique market participated in by antique dealers affiliated with AACD. It has also been authenticated by us after purchase and is a genuine product.