TWO NATURAL JADEITE RING SURFACES. Jadeite only size 10.5 mm by 7.6 mm by 3.2 mm and 9.4 mm by 7.2 mm by 3 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 Company.