onyx Subgroups onyx,round nameØtypeType of cutPUitem No.onyx3,0 mmreal, genuineCabochon round1488730onyx4.0 mmreal, genuineCabochon round1488740onyx5.0 mmreal, genuineCabochon round1488750onyx6.0 mmreal, genuineCabochon round1488760onyx7.0 mmreal, genuineCabochon round1488770onyx8.0 mmreal, genuineCabochon round1488780