NATURAL JADEITE WAIST LACE. Biggest Jadeite only size 18 mm by 7 mm by 3.5 mm. Smallest one 10.2 mm by 5.3 mm by 3.2 mm. Guarantee Natural Jadeite. GIA certificate is available upon buyer's request and cost. If fail to acquire GIA certificate, Consignor guarantee to refund. From a Hong Kong jewelry dealer.