a) R7898 WQZ22.07 RGb) R8401 PQZ17.54 YGc) R8401 AQUA CHALCEDONY YGd) R7898 BL.ONYX YGe) R8402 RED AGATE YGf) R8402 PK.QTZ YGg) R8712 AMETHYST 4.15 YGCOLOR RINGS