The only way thieves could get around the system of security would be to recut stones, an expensive practice, which also reduces their value, reports The Sunday Times of London.
Varastele on ainukeseks turvasüsteemist möödahiilimise teeks kivid uuesti lihvida, mis läheb aga kalliks maksma ja kahandab ka nende väärtust, teatab Londoni The Sunday Times.