10 mm yttrium aluminum garnet (YAG) cut in a square brilliant pattern called the Primus Cut. This gem won first place in the faceted gemstone category in the 1998 Castro Valley Mineral and Gem Society annual show.
10 mm pink cubic zirconia cut in a triangular brilliant cut. This gem won first place in the faceted gemstone category in the 1999 Castro Valley Mineral and Gem Society annual show.
12.0 x 8.3 mm amethyst (Rose de France hue) cut in an oval pattern. This gem won first place in the Novice category of the 1991 Faceter's Fair sponsored by the Faceter's Guild of Northern California.
