Ethiopian Black Opal Cabochon 13x8 mm Approximately 2.32 Carat (GTG-BOP-51)

Ethiopian Black Opal Cabochon 13x9 mm Approximately 2.57 Carat (GTG-BOP-39)

Ethiopian Black Opal Cabochon 13x9 mm Approximately 2.89 Carat (GTG-BOP-54)

Ethiopian Black Opal Cabochon 14x9.5 mm

Ethiopian Black Opal Cabochon 17x2.79 mm Approximately 2.79 Carat (GTG-BOP-35)

Ethiopian Opal Cabs Oval 6x4 mm Approximately 2.16 Carat

Ethiopian Opal Cabs Oval 6x4 mm Approximately 2.44 Carat

Ethiopian Opal Cabs Oval 6 x 4 mm Approximately 2.53 Carat

Ethiopian Opal Cabs Oval 6 x 4 mm Approximately 3.36 Carat

Ethiopian Opal Cabs Oval 6 x 4mm Approximately 3.28 Carat

Ethiopian Opal Oval Shape 13.7 x 9.3 x 5.2 mm Single Piece Approximately 3.02 Carat

Ethiopian Opal Oval Shape 8x6 mm Approximately 1.48 Carat , 2 Pieces (GTG-OP-168)

Ethiopian Opal Oval Shape 8x6 mm Approximately 1.60 Carat , 2 Pieces (GTG-OP-176)

Ethiopian Opal Oval Shape 8x6 mm Approximately 1.61 Carat , 2 Pieces (GTG-OP-174)

Ethiopian Opal Oval Shape 8x6 mm Approximately 1.66 Carat , 2 Pieces (GTG-OP-180)

Ethiopian Opal Oval Shape 8x6 mm Approximately 1.68 Carat , 2 Pieces (GTG-OP-184)

Ethiopian Opal Oval Shape 8x6 mm Approximately 1.70 Carat , 2 Pieces (GTG-OP-185)

Ethiopian Opal Oval Shape 8x6 mm Approximately 1.73 Carat , 2 Pieces (GTG-OP-169)

Ethiopian Opal Oval Shape 8x6 mm Approximately 1.79 Carat , 2 Pieces (GTG-OP-170)

Ethiopian Opal Oval Shape 8x6 mm Approximately 1.79 Carat , 2 Pieces (GTG-OP-179)

Ethiopian Opal Oval Shape 8x6 mm Approximately 1.80 Carat , 2 Pieces (GTG-OP-175)

Ethiopian Opal Oval Shape 8x6 mm Approximately 1.83 Carat , 2 Pieces (GTG-OP-172)

Ethiopian Opal Oval Shape 8x6 mm Approximately 1.83 Carat , 2 Pieces (GTG-OP-182)