The Swiss Topaz Bolero Silver Bangle With Stingray Leather by a cuckoo moment The two faceted big Swiss topaz has a vivid, almost electric blue colour, accentuated perfectly by the 18kt gilding of the 925-sterling silver. Stingray leather is also known as the leather of a million stars. About The Designer: Founded by Lia Fallschessel in 2005, a cuckoo moment are known for unique jewellery and accessories featuring exotic materials such as Stingray Leather. To find out more about the designer please visit a cuckoo moment.