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1.47Ct IF Five-star Pear cut 10 X 7 mm 3D Multi color Disco Black Fire Cut Opal

$ 30.47 $ 18.28

3.04Ct Eye-opening Oval cut 7 X 5 mm Multi Color Play Black Fire Opal

$ 21.76 $ 13.05

1.55Ct Lovely Oval cut 8 X 6 mm Multi Color Play Black Fire Opal

$ 14.5 $ 8.7

1.51Ct Valuable Oval cut 8 X 6 mm Multi Color Play Black Fire Opal

$ 14.5 $ 8.7

6x4 MM Oval Amazing Fire Opal Black Opal Cabochon Ethiopian Opal Loose Gemstone

$ 7.03 $ 4.21

PINFIRE! 1.77ct Semi Black Opal GREEN ORANGE Freeform Lightning Ridge!

$ 114.39 $ 68.63

Natural Ethiopian Black Opal Square Cushion Cabochon Fire Opal Loose Gemstone

$ 35.79 $ 21.47

1.74CTS GLITTERING 3D PATTERN NATURAL WELO BLACK OPAL LOOSE GEMSTONE

$ 26.39 $ 15.83

1.28CTS SHINNING 3D MULTI COLOR NATURAL WELO BLACK OPAL LOOSE GEMSTONE "VIDEO"

$ 17.59 $ 10.55

8.05CTS EXCELLENT 3D MULTI-COLOR PLAY NATURAL WELO BLACK OPAL LOOSE GEMSTONE

$ 57.19 $ 34.31

1.34CTS GLITTERING 3D HARLEQUIN PATTERN NATURAL WELO BLACK OPAL LOOSE GEMSTONE

$ 17.59 $ 10.55

3.35CTS GLITTERING 3D MULTI-COLOR PLAY NATURAL WELO BLACK OPAL LOOSE GEMSTONE

$ 26.39 $ 15.83

1.46CTS EXQUISITE 3D MULTI COLOR NATURAL WELO BLACK OPAL LOOSE GEMSTONE "VIDEO"

$ 21.99 $ 13.19

3.45CTS SHINNING 3D MULTI COLOR NATURAL WELO BLACK OPAL 13.9x10.1 MM LOOSE GEMS

$ 24.63 $ 14.77

BRIGHT REDS BEAUTIFUL SOLID LIGHTNING RIDGE AUSTRALIAN BLACK OPAL 12894

$ 211.2 $ 126.71

1.66Ct Charming Oval cut 8 X 6 mm Multi Color Play Black Fire Opal

$ 8.79 $ 5.27

2.23Ct Phenomenal Oval cut 6 X 4 mm Multi color Flashing Black Fire Opal

$ 8.79 $ 5.27

Black Fire Opal - 1.58 ct. Beautiful, Play-of-Color, 13.64 x 7.22 x 4.26 mm

$ 27.27 $ 16.36

Multicolour Black Black Opal | Natural Black Opal | Marquise 1.05 cts Gemstone

$ 17.79 $ 10.67

2.33Ct Very good Oval Cab 11 X 9 mm Dancing colors Black Fire Opal

$ 26.11 $ 15.67

Ethiopian Black Opal Natural Gem 3mm Size Round Cab Shape Beads Necklace 17"

$ 26.4 $ 15.83

FIERY FLASHING COLOURS NATURAL SOLID AUSTRALIAN LIGHTNING RIDGE BLACK OPAL 14038

$ 193.6 $ 116.16

1.73 Ct Fantastic (13 x 6 mm) 3D Micro HONEY COMB Welo Black Opal Cab

$ 13.19 $ 7.91

27.20 Cts Natural Black Matrix Opal Carved Leaf Certified Magnificent Gemstone

$ 11 $ 6.6

2.27 Ct Best Fire (10 x 8mm) Multi Color Flashy 3D Harlequin Welo Black Opal Cab

$ 17.59 $ 10.55

1.10 Ct Romantic (11 x 5) Facetted Multi Layer Honey Comb Welo Black Opal Cut

$ 8.79 $ 5.27

2.83 Ct Shimmering Fire (13 x 8 mm) 3D Chaff Pattern Welo Black Opal Cab

$ 21.99 $ 13.19

5.45 cts Ethiopian Fire Opal 17 x 10 mm Earth Mined Gemstone #obo1612

$ 16.63 $ 9.97

3.50 Ct Natural Ethiopian Black Fire Opal Flashing Untreated Cabochon Certified

$ 35.19 $ 21.11

1.05 Ct Natural Ethiopian Black Fire Opal Flashing Untreated Cabochon Certified

$ 35.19 $ 21.11

1.30 Ct Natural Ethiopian Black Fire Opal Flashing Untreated Cabochon Certified

$ 35.19 $ 21.11

18ct 26x13x8mm Australian Solid Semi Black Opal Cabochon Loose Gem

$ 41.36 $ 24.81

AAA Fire Black Opal Cabochon Heart Shape Black Opal Loose Gemstone 4.60 Carat

$ 107.35 $ 64.41

HUGE 23.83 carat NATURAL SOLID LIGHTNING RIDGE AUSTRALIAN BLACK JELLY OPAL 14313

$ 316.8 $ 190.08

3.40 cts Ethiopian Black Fire Opal 13 x 11 mm Earth Mined Gemstone #obo1174

$ 16.63 $ 9.97

Ethiopian Welo Natural Black Opal Oval Cut Gemstone 2.30 Carat

$ 8.26 $ 4.95

1.59Ct Dazzling Oval cut 8 X 6 mm Multi Color Play Black Fire Opal

$ 8.79 $ 5.27

3.18Ct Supreme Round cut 5 X 5 mm Multi Color Play Black Fire Opal

$ 8.79 $ 5.27

1.32Ct Dazzling Round cut 6 X 6 mm Multi Color Play Black Fire Opal

$ 5.27 $ 3.16

1.88Ct Incredible Oval cut 5 X 4 mm Multi Color Play Black Fire Opal

$ 8.79 $ 5.27

1.26Ct Genuine Oval cut 8 X 6 mm Multi Color Play Black Fire Opal

$ 7.03 $ 4.21

1.37Ct IF Mesmerizing Oval cut 10 X 7mm 3D Multi color Disco Black Fire Cut Opal

$ 17.59 $ 10.55

1.78Ct Outstanding Round cut 4 X 4 mm Multi Color Play Black Fire Opal

$ 6.15 $ 3.69

2.01Ct IncredibleOval cut 10 x 9 mm 3D Multi color Disco Black Fire Opal

$ 8.79 $ 5.27

1.60Ct Resplendent Oval cut 8 X 6 mm Multi Color Play Black Fire Opal

$ 8.79 $ 5.27

3.80ctw GEM QUALITY NATURAL SOLID BLACK OPAL (7633)

$ 1188 $ 712.8

Australia Top Color ANDAMOOKA CONCRETE MATRIX OPAL Cutting Rough 22.55cts

$ 30.8 $ 18.48

5.1 ct. 100% Natural Australian Black Opal , Blue

$ 968 $ 580.79

15.2ct 31.5x12.5x4.8mm Solid Australian Mintabie Rectangle Cabochon Loose Gem

$ 75.68 $ 45.4

3.94 ct Very good Oval Cabochon (14 x 10 mm) Ethiopia Play of Colors Black Opal

$ 82.71 $ 49.62

GEMMY! 1.27ct Dark Crystal Opal RED MULTICOLOR Pear from Lightning Ridge!

$ 219.99 $ 131.99

Natural Ethiopian Black Opal Round Cabochon AAA Fire Opal Loose Gemstone 7x7 MM

$ 16.24 $ 9.74

Natural LIGHTNING RIDGE DARK BASE + CRYSTAL OPAL Rough Chips Lot 10.45cts

$ 17.6 $ 10.56

2.06Ct Pleasant Round cut 8 X 8 mm Multi Color Play Black Fire Opal

$ 10.14 $ 6.08

2.26Ct Attractive Oval cut 9 X 7 mm Multi color Flashing Black Fire Opal

$ 7.24 $ 4.34

Ethiopian Welo Natural Black Opal Oval Cut Gemstone 2.60 Carat

$ 8.26 $ 4.95

Black Ethiopian Opal 4mm Size Rainbow Fire Square Heishi Beads Necklace 19"

$ 61.33 $ 36.8

2.02Ct BEAUTIFUL ! RAINBOW FLASHY PATCH WORK WELO BLACK OPAL

$ 7.03 $ 4.21

Natural Ethiopian Black Opal Tumble Beads Gemstone Necklace 18 Inch #124

$ 12.31 $ 7.38

1.62Ct Grand look Round cut 7 X 7 mm Multi Color Play Black Fire Opal

$ 8.69 $ 5.21

Lightning Ridge Australia Dark Opal Polished Stardust Sparkles 1.0 ct

$ 74.8 $ 44.88

Lightning Ridge Australia Gem Black Teardrop opal Polished .47 Ct

$ 83.6 $ 50.16

Mintabie Australia Gem White Opal Polished 2.18 ct

$ 79.2 $ 47.52

50 pieces Lot 7x5MM Ethiopian Black Opal Cabochon Oval Shape Opal Loose Gemstone

$ 162.8 $ 97.68

16.06 ct Gorgeous Full Spectrum Semi Black Ethiopian Opal Pear Cabochon (Video)

$ 879.12 $ 527.47

Natural LIGHTNING RIDGE DARK/LIGHT BASE OPAL Rough Chips Lot 10.55cts

$ 17.6 $ 10.56

Australia LIGHTNING RIDGE DARK BASE + CRYSTAL OPAL Rough Chips Lot 10.40cts

$ 17.6 $ 10.56

Rainbow Fire Black Ethiopian Opal Gem Smooth 6x4 to 7x4mm Teardrop Beads 7"

$ 83.77 $ 50.26

1.10Ct IF Word Pear cut 10 X 7 mm 3D Multi color Disco Black Fire Cut Opal

$ 24.66 $ 14.79

1.00Ct Fabulous Oval cut 7 X 5 mm Multi Color Play Black Fire Opal

$ 10.14 $ 6.08

BRILLIANT! 1.8ct Solid Black Opal GREEN & BLUE Freeform Lightning Ridge!

$ 114.39 $ 68.63

5.90CTS EXCELLENT 3D MULTI COLOR NATURAL WELO BLACK OPAL LOOSE GEMSTONE "VIDEO"

$ 57.19 $ 34.31

5.50CTS EXQUISITE 3D MULTI-COLOR NATURAL WELO BLACK OPAL 16x12 MM LOOSE GEMSTONE

$ 73.03 $ 43.81

Ethiopian Opal, Natural Black Opal Cabochon, Size 10x8x4 MM,Red Flashy Fire Opal

$ 97.67 $ 58.6

15.75Ct PHENOMENAL ! UNIQUE COLLECTION 3D FLORAL HARLEQUIN WELO BLACK OPAL

$ 141.67 $ 85

3.55CTS EXCELLENT 3D MULTI-COLOR NATURAL WELO BLACK OPAL LOOSE GEMSTONE "VIDEO"

$ 48.39 $ 29.03

Australia Untreated ANDAMOOKA HARD MATRIX OPAL Cutting Rough 33.50cts

$ 36.96 $ 22.17

Natural Loose Gemstone | Multicolors Black Opal | 0.82 cts Oval Gemstone

$ 10.41 $ 6.24

Natural LIGHTNING RIDGE DARK BASE + CRYSTAL OPAL Rough Chips Lot 10.55cts

$ 17.6 $ 10.56

16.5x11.3 MM 5.7 Carat Natural Ethiopian Smoked Black Opal Pear Shape Cabochon

$ 52.79 $ 31.67

Australian Opal Doublet Cab, Size 15 x 10 x 5 mm. Weight 5.4 Carats. Great Flash

$ 43.07 $ 25.84

5 Pisces Lot 6x4 MM Natural Ethiopian Opal Cabochon Fire Opal Loose Gemstone

$ 14.96 $ 8.97

UNIQUE! 2.5ct Black Opal BRIGHT BLUE GREEN Freeform Lightning Ridge!

$ 219.99 $ 131.99

1.52Ct GORGEOUS RAINBOW MULTI FLASHY 3D FLORAL HARLEQUIN FACET WELO BLACK OPAL

$ 29.03 $ 17.41

2.12Ct GORGEOUS RAINBOW MULTI FLASHY 3D FLORAL HARLEQUIN FACET WELO BLACK OPAL

$ 39.59 $ 23.75

9.27Ct GORGEOUS ! RAINBOW MULTI FLASHY 3D HONEY COMB PATTERN WELO BLACK OPAL

$ 84.47 $ 50.68

1.55Ct Attractive Round cut 4 X 4 mm Multi Color Play Black Fire Opal

$ 8.69 $ 5.21

1.85Ct Superior Oval cut 8 X 6 mm Multi Color Play Black Fire Opal

$ 15.95 $ 9.57

1.51Ct Extreme Oval cut 8 X 6 mm Multi Color Play Black Fire Opal

$ 14.5 $ 8.7

Lightning Ridge Australia Gem Crystal Opal Polished 1.22 Ct

$ 66 $ 39.6

Snall Black opal Polished From Lightning Ridge Australia .14 Ct

$ 26.4 $ 15.83

8.77CT FANTASTIC 3D HARLEQUIN PATTERN NATURAL WELO BLACK OPAL GEMSTONE

$ 208.55 $ 125.13

5.05 Ct. Natural Color Play Black Ethiopian Opal Pear Cabs Loose Gemstone

$ 43.99 $ 26.39

1.69 Ct Phenomenal (13 x 6) Facetted Multi Layer Honey Comb Welo Black Opal Cut

$ 15.83 $ 9.49

230 CT Investment Huge Gem Black Opal Grün-gold-rot Video Flashfire-Opals

$ 13396.49 $ 8037.89

1.16ct NATURAL OVAL LIGHTENING RIDGE BLACK OPAL 9.8mm x 7.2mm #6392

$ 439.99 $ 263.99

Natural Loose Black Opal Multicolour Black | Marquise | 1.19 cts Gemstone

$ 14.07 $ 8.44

TOP GEM Black Opal MULTICOLOR CHARACTER STONE 1.5ct Oval!

$ 175.99 $ 105.59

Stunning Natural Gem Black Opal 8.06 Carats Loose Gemstone Lightning Ridge

$ 6863.99 $ 4118.39

5.90 cts Ethiopian Fire Opal 16 x 12 mm Earth Mined Gemstone #obo1595

$ 25.87 $ 15.52