0.89 Ct Natural Australian Black Opal

Weight - 0.89 Ct / Size - 6.30 x 5.10 x 3.20 mm / Shape - Oval Cabochon / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Heated

Weight - 2.64 Ct / Size - 13.20 x 9.60 x 4.50 mm / Shape - Oval Cabochon / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Heated

No Reserve! Title: 3.25 Ct Natural Australian Black Opal Oval Cabochon Stone Clarity: Opaque Gemstone: Natural Australian Opal Carat Weight: 3.25 Size/Dimensions: 12.80 x 8.50 x 3.50 mm Additional Inf

No Reserve! Title: 1.87 Ct Natural Australian Black Opal Pear Cabochon Stone Clarity: Opaque Gemstone: Natural Australian Opal Carat Weight: 1.87 Size/Dimensions: 8.20 x 7.50 x 3.70 mm Additional Info

No Reserve! Title: 3.06 Ct Natural Australian Black Opal Trillion Cabochon Stone Clarity: Opaque Gemstones: Natural Australian Opal Carat Weights: 3.06 Size/Dimensions: 12.50 x 8.40 x 4.00 mm Addition

Weight - 0.80 Ct / Size - 6.90 x 4.80 x 3.90 mm / Shape - Trillion Cabochon / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Heated

Weight - 0.86 Ct / Size - 7.50 x 4.70 x 2.70 mm / Shape - Unshaped Cabochon / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Heated

No Reserve! Title: 1.90 Ct Natural Australian Black Opal Trillion Cabochon Stone Clarity: Opaque Gemstones: Natural Australian Opal Carat Weights: 1.9 Size/Dimensions: 8.50 x 8.00 x 3.40 mm Additional

No Reserve! Title: 1.21 Ct Natural Australian Black Opal Cushion Cabochon Stone Clarity: Opaque Gemstones: Natural Australian Opal Carat Weights: 1.21 Size/Dimensions: 6.60 x 6.60 x 2.90 mm Additional

Weight - 0.76 Ct / Size -7.30 x 4.30 x 2.60 mm / Shape - Oval Cabochon / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Heated

Weight - 0.84 Ct / Size - 8.50 x 4.30 x 2.50 mm / Shape - Oval Cabochon / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Heated

No Reserve! Title: 0.89 Ct - Natural Black Fire Opal Additional Information: Gemstone Gemstones: Black Opal Carat Weights: 0.89 Size/Dimensions: 8.0 x 6.0 x 4.0 mm Additional Information: Pieces : 1 N

Title: 26.98 ct natural Lightning Ridge Australian black opal Color/Clarity: opaque Gemstone Type: natural/untreated Carat Weights: 26.98 Size/Dimensions: 29.20 x 23.73 x 5.18 MM Origin: Australia Res

Title: 15.28 ct natural lightning ridge australian black opal Color/Clarity: red,blue.green flashing/opaque Gemstone Type: natural/untreated Carat Weights: 15.28 Size/Dimensions: 25.46 x 17.69 x 4.52

Title: 15.28 ct natural lightning ridge australian black opal Color/Clarity: red,blue.green flashing/opaque Gemstone Type: natural/untreated Carat Weights: 15.28 Size/Dimensions: 25.46 x 17.69 x 4.52

9x22mm Weight: 62 Ct (Before Packing) A bargain hunter's, fixer-upper's, and pack-rat's dream come true! Our Ten2Go "warehouse" style auction presents over thousand lots in a fast-paced old-style auct

4x13mm Weight: 63 Ct (Before Packing) A bargain hunter's, fixer-upper's, and pack-rat's dream come true! Our Ten2Go "warehouse" style auction presents over thousand lots in a fast-paced old-style auct

6x14mm Weight: 56.5 Ct (Before Packing) A bargain hunter's, fixer-upper's, and pack-rat's dream come true! Our Ten2Go "warehouse" style auction presents over thousand lots in a fast-paced old-style au

4x10mm Weight: 54.5 Ct (Before Packing) A bargain hunter's, fixer-upper's, and pack-rat's dream come true! Our Ten2Go "warehouse" style auction presents over thousand lots in a fast-paced old-style au

5x17mm Weight: 54.8 Ct (Before Packing) A bargain hunter's, fixer-upper's, and pack-rat's dream come true! Our Ten2Go "warehouse" style auction presents over thousand lots in a fast-paced old-style au

5x13mm Weight: 59 Ct (Before Packing) A bargain hunter's, fixer-upper's, and pack-rat's dream come true! Our Ten2Go "warehouse" style auction presents over thousand lots in a fast-paced old-style auct

7x16mm Weight: 54.5 Ct (Before Packing) A bargain hunter's, fixer-upper's, and pack-rat's dream come true! Our Ten2Go "warehouse" style auction presents over thousand lots in a fast-paced old-style au

5x18mm Weight: 53 Ct (Before Packing) A bargain hunter's, fixer-upper's, and pack-rat's dream come true! Our Ten2Go "warehouse" style auction presents over thousand lots in a fast-paced old-style auct

5-18cm Weight: 53 Ct