Each lei is unique, and it is easy to understand why they can rival precious gems and heirloom jewelry in value, some costing thousands of dollars.
Iga lei on ainulaadne ning seega pole ka raske mõista, miks need on hinna poolest samaväärsed kallite pärlite ja antiiksete ehetega, ning mõned neist maksavad koguni tuhandeid dollareid.