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1.74Ct Oval Sensational 3D Ribbon Flash Pattern Natural Welo Black Opal Gems

$ 14.95 $ 8.97

1.08Ct Extraordinary 3D Rainbow Color Playing Natural Welo Black Opal Gemstone

$ 8.79 $ 5.27

1.19Ct Round Elegant 3D Ribbon Flash Pattern Natural Welo Black Opal Gems

$ 9.67 $ 5.8

1.43Ct Round Extraordinary 3D Peacock Pattern Natural Welo Black Opal Gemstone

$ 12.31 $ 7.38

2.18Ct Oval Sparkling 3D Ribbon Flash Pattern Natural Welo Black Opal Gems

$ 19.35 $ 11.61

1.95CT ATTRACTIVE 3D HARLEQUIN PATTERN NATURAL WELO BLACK OPAL GEMSTONE

$ 14.95 $ 8.97

4.71CT OVAL, UNIQUE 3D BROAD FLASH PATTERN NATURAL WELO BLACK OPAL GEMSTONE

$ 36.95 $ 22.17

1.14Ct Incomparable 3D Multi Color Playing Natural Welo Black Opal Gemstone

$ 9.67 $ 5.8

1.53CT OVAL, EXCELLENT HARLEQUIN PATTERN NATURAL WELO BLACK OPAL GEMSTONE

$ 7.03 $ 4.21

1.92Ct DAZZLING 3D COLOR PLAYING RIBBON FLASH PATTERN NATURAL WELO BLACK OPAL

$ 18.47 $ 11.08

1.97Ct EXQUISITE 3D ROLLING FLASH PATTERN NATURAL WELO BLACK OPAL GEMSTONE

$ 15.83 $ 9.49

1.17Ct Round Exquisite 3D Multi Color Playing Natural Welo Black Opal Gemstone

$ 9.67 $ 5.8

1.37Ct Marquise Eye-popping 3D Patchwork Pattern Natural Welo Black Opal Gems

$ 12.31 $ 7.38

1.11Ct Oval Wonderful 3D Ribbon Flash Pattern Natural Welo Black Opal Gems

$ 8.79 $ 5.27

1.40Ct Awe-inspiring 3D Broad Flash Pattern Natural Welo Black Opal Gemstone

$ 12.31 $ 7.38

1.77Ct Oval Flashing 3D Harlequin Pattern Natural Welo Black Opal Gemstone

$ 15.83 $ 9.49

1.17Ct Round Remarkable 3D Harlequin Pattern Natural Welo Black Opal Gemstone

$ 9.67 $ 5.8

3.99CT OVAL, ATTRACTIVE 3D PATCHWORK PATTERN NATURAL WELO BLACK OPAL GEMSTONE

$ 18.47 $ 11.08

0.89Ct Trillion Valuable 3D Patchwork Pattern Natural Welo Black Opal Gemstone

$ 7.03 $ 4.21

1.15Ct Round Outstanding 3D Harlequin Pattern Natural Welo Black Opal Gemstone

$ 9.67 $ 5.8

1.40Ct Oval Terrific 3D Ribbon Flash Pattern Natural Welo Black Opal Gems

$ 12.31 $ 7.38

37.02Ct UNIQUE RAREST GEM ! MULTI COLOR LIGHTNING RIDGE AUSTRALIAN BLACK OPAL

$ 110.87 $ 66.52

STRIPES! 4.3ct Semi Black Opal GREEN & BLUE Oval Lightning Ridge!

$ 114.39 $ 68.63

3.71CTS SHINNING 3D MULTI COLOR NATURAL WELO BLACK OPAL LOOSE GEMSTONE "VIDEO"

$ 57.19 $ 34.31

Natural Ethiopian Black Opal Cabochon Mix Shape AAA Fire Opal Loose Gemstone

$ 66.14 $ 39.68

Wonderful Explosion of Colors! Lightning Ridge Australian Dark Crystal Opal

$ 611.6 $ 366.96

0.75 Ct. Natural Black Ethiopian Opal 1 Pair Pear Shape Cabs Loose Gemstone

$ 19.35 $ 11.61

6.90CTS GORGEOUS 3D MULTI-COLOR PLAY NATURAL WELO BLACK OPAL LOOSE GEMSTONE

$ 123.19 $ 73.91

1.33 Ct Superior (8 x 8) Facetted 3D Micro Honey Comb Welo Black Opal Cut

$ 9.67 $ 5.8

Australia Natural ANDAMOOKA HARD MATRIX OPAL Cutting Rough 18.65cts

$ 26.4 $ 15.83

Australia Natural ANDAMOOKA HARD MATRIX OPAL Cutting Rough 29.45cts

$ 39.6 $ 23.76

1 Ct. Natural Black Ethiopian Opal 1 Pair Oval Shape Cabs Loose Gemstone

$ 21.11 $ 12.66

2.1 ct., 14x9x4mm Rough Australian Lightning Ridge Opal

$ 18.48 $ 11.08

A+++ Natural Ethiopian Wello Fire Black Opal Gemstone Beads 16"Necklace AG0869

$ 30.79 $ 18.47

Australia Natural LIGHTNING RIDGE DARK BASE BLACK OPAL Cutting Rough 3.75cts

$ 13.2 $ 7.91

5.55CTS GLITTERING 3D MULTI-COLOR PLAY NATURAL WELO BLACK OPAL LOOSE GEMSTONE

$ 30.79 $ 18.47

BEAUTIFUL NATURAL LIGHTNING RIDGE SOLID AUSTRALIAN semi-BLACK OPAL STONE 13329

$ 404.8 $ 242.88

1.74Ct Topnotch Round cut 5 X 5 mm Multi Color Play Black Fire Opal

$ 10.14 $ 6.08

2.8 ct. Brilliant Semi Black Opal from Lightning Ridge Brilliant ring stone

$ 871.2 $ 522.72

Australia Natural ANDAMOOKA HARD MATRIX OPAL Cutting Rough 23.20cts

$ 39.6 $ 23.76

5.5 Ct. Natural Color Play Black Ethiopian Opal Oval Cabochon Loose Gemstone

$ 52.79 $ 31.67

86.80 Cts Natural Black Matrix Opal Leaf Certified Magnificent Carved Gemstone

$ 26.39 $ 15.83

10.30 cts Natural Earth Mined Ethiopian Fire Opal 22 x 17 mm Gemstone #obx96

$ 86.24 $ 51.74

8.90 cts Natural Earth Mined Ethiopian Fire Opal 21 x 15 mm Gemstone #obx104

$ 25.87 $ 15.52

1.40Ct Elegant Pear cut 10 X 7 mm Multi color Flashing Black Fire Opal

$ 10.14 $ 6.08

1.75Ct Excellent Oval cut 8 X 6 mm Multi Color Play Black Fire Opal

$ 15.95 $ 9.57

20.30CTS GLITTERING 3D HONEY COMB PATTERN NATURAL WELO BLACK OPAL LOOSE GEMSTONE

$ 439.99 $ 263.99

1.90 cts Ethiopian Fire Opal 10 x 7 mm Faceted Gemstone #obt2

$ 16.63 $ 9.97

MultiColors Black Opal | 1.18 cts Pear Shape | Loose Gemstone Gemstones

$ 22.23 $ 13.34

3.03 Ct Remarkable Fire (15 x 8 mm) 3D MultiColor Disco Black Opal Cab

$ 26.39 $ 15.83

1.50 Ct Natural Ethiopian Black Fire Opal Flashing Untreated Cabochon Certified

$ 35.19 $ 21.11

1.50 Ct Natural Ethiopian Black Fire Opal Flashing Untreated Cabochon Certified

$ 35.19 $ 21.11

1.17Ct Round Exclusive 3D Pin Fire Pattern Natural Welo Black Opal Gemstone

$ 9.67 $ 5.8

1.83Ct Oval Valuable 3D Harlequin Pattern Natural Welo Black Opal Gemstone

$ 15.83 $ 9.49

GTL CERTIFIED Natural Loose Gemstone Black Ethiopian Fire Opal 8.60 Cts Cab D47

$ 207.86 $ 124.71

Australia LIGHTNING RIDGE BLACK/GRAY BASE OPAL Specimen Rough Lot 11.70cts

$ 19.36 $ 11.61

185cts Rough Opal Parcel 5 Stones w/ Great Fire & Easy to Cut Australian (VIDEO)

$ 444.4 $ 266.64

Natural LIGHTNING RIDGE DARK BASE + CRYSTAL OPAL Rough Chips Lot 10.80cts

$ 17.6 $ 10.56

4.05 Ct Natural Ethiopian Black Fire Opal Flashing Untreated Loose Oval Cabochon

$ 35.19 $ 21.11

Natural Australia LAMBINA GRAY BASE OPAL Cutting Rough 4.65cts

$ 15.84 $ 9.5

Top Color Australia LIGHTNING RIDGE OPAL DOUBLET Oval Cabochon 1.45cts

$ 22 $ 13.2

Natural Australian Black Matrix Opal Gem Tube and Rondelle Beads Bracelet 8"

$ 57.59 $ 34.55

Natural LIGHTNING RIDGE DARK BASE + CRYSTAL OPAL Rough Chips Lot 32.40cts

$ 31.68 $ 19

GTL CERTIFIED 6.75 Ct NATURAL BLACK LOOSE GEMSTONE ETHIOPIAN RAINBOW FIRE OPAL

$ 187.7 $ 112.62

6x6 MM Round Fire Opal Natural Ethiopian Opal Black Opal Cabochon Loose Gemstone

$ 13.19 $ 7.91

1.17Ct Eye-popping Oval cut 4 X 3 mm Multi Color Play Black Fire Opal

$ 10.14 $ 6.08

5.15CTS STUNNING 3D PEACOCK PATTERN NATURAL WELO BLACK OPAL 16x12.1 LOOSE GEMS

$ 39.59 $ 23.75

Australia LIGHTNING RIDGE DARK BASE GRAY OPAL Specimen Rough Lot 10.40cts

$ 14.08 $ 8.44

1.18 Ct Valuable Fire (12 x 5 mm) 3D Chaff Pattern Welo Black Opal Cab

$ 7.91 $ 4.74

MOST UNIQUE "LEOPARD FUR" NATURAL UNTREATED AUSTRALIAN GEM BLACK OPAL 5.15 CT

$ 1320 $ 792

4 CT. RARE BLACK OPAL Rough - AMAZING Color!- 100% Natural Ethiopian

$ 20.23 $ 12.14

Australian Opal Doublet Cab. 14 x 7 x 7 mm. Weight 5 Carats. Great flash!

$ 40.47 $ 24.28

FREEFORM 4.4ct Solid Black MULTICOLOR Opal Lightning Ridge!

$ 1759.99 $ 1055.99

Ethiopian Opal Cut Black Opal Faceted Oval Fire Opal Loose Gemstone 1.85 Carat

$ 31.68 $ 19

3.5 Ct. Natural Color Play Black Ethiopian Opal Pear Cabochon Loose Gemstone

$ 42.23 $ 25.33

3.15 Ct Natural Ethiopian Black Fire Opal Flashing Untreated Cabochon Certified

$ 35.19 $ 21.11

13.55 Carat Black Opal Cabochon Pear Shape AAA Fire Black Opal Loose Gemstone

$ 587.28 $ 352.37

6.13CT ATTRACTIVE 3D PATCHWORK PATTERN NATURAL WELO BLACK OPAL LOOSE GEMSTONE

$ 131.99 $ 79.19

MultiColors Black Opal | 6.61 cts Pear Shape | Loose Natural Gemstone Ethiopian

$ 64.27 $ 38.56

MultiColors Black Opal | 3.88 cts Pear Shape | Loose Natural Gemstone Ethiopian

$ 37.72 $ 22.63

2.21ctw BRIGHT COLORS NATURAL AUSTRALIAN SOLID LIGHTNING RIDGE OPAL 12077

$ 615.12 $ 369.07

1.45CTS STUNNING 3D PEACOCK PATTERN NATURAL WELO BLACK OPAL LOOSE GEMSTONE VIDEO

$ 21.99 $ 13.19

1.88CTS AMEZING 3D HARLEQUIN PATTERN NATURAL WELO BLACK OPAL LOOSE GEMSTONE

$ 26.39 $ 15.83

0.30 Carat Ethiopian Opal Faceted Round 5x5 MM Black Opal Cut Loose Gemstone 311

$ 6.36 $ 3.81

11.45Ct UNIQUE COLLECTION ! RAINBOW FLASHY 3D HONEY COMB WELO BLACK OPAL

$ 153.99 $ 92.39

Beautiful Black Crystal Opal Polished Cabachon From lightning Ridge Australia...

$ 215.6 $ 129.35

Beautiful Opal Heart !!! 6.65 CT Australian Semi Black Opal from Lightning Ridge

$ 1188 $ 712.8

3.12Ct Sparkling Oval Cab 14 X 10 mm Dancing colors Black Fire Opal

$ 33.37 $ 20.02

2.15Ct Very good Round cut 5 X 5 mm Multi Color Play Black Fire Opal

$ 11.59 $ 6.95

1.80Ct Charming Round cut 4 X 4 mm Multi Color Play Black Fire Opal

$ 10.14 $ 6.08

Natural LIGHTNING RIDGE DARK BASE + CRYSTAL OPAL Rough Chips Lot 10.50cts

$ 17.6 $ 10.56

18.03CT BRILLIANT 3D PATCHWORK PATTERN NATURAL WELO BLACK OPAL LOOSE GEMSTONE

$ 395.99 $ 237.59

FIERY BRIGHT GEM QUALITY NATURAL SOLID AUSTRALIAN BLACK OPAL (9072)

$ 2024 $ 1214.39

Australia LIGHTNING RIDGE DARK BASE/CRYSTAL OPAL Specimen Rough Lot 13.05cts

$ 17.6 $ 10.56

Lightning Ridge Australia - Solid Dark Opal - 0.51 cts

$ 186.56 $ 111.93

2.35 Ct Natural Ethiopian Black Fire Opal Flashing Untreated Cabochon Certified

$ 35.19 $ 21.11

1.57 CT 3D MULTI-COLOR PLAY PATTERN NATURAL WELO BLACK OPAL GEMSTONE

$ 8.7 $ 5.22

2.4 ct. Natural Australian Black Opal Triangle

$ 484 $ 290.39

GTL CERTIFIED 5.10 Cts NATURAL BLACK LOOSE GEMSTONE ETHIOPIAN GALAXY FIRE OPAL

$ 159.89 $ 95.93

3.49CTS EXCELLENT 3D MULTI-COLOR PLAY NATURAL WELO BLACK OPAL LOOSE GEMSTONE

$ 30.79 $ 18.47