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3.98Ct MESMERIZING 3D COLOR PLAY BROAD FLASH PATTERN NATURAL WELO BLACK OPAL

$ 39.59 $ 23.75

25.35Ct Clarity Enhanced Ethiopian Chocolate Black Opal Rough Specimen MSQO1634

$ 0.87 $ 0.52

1.51Ct Significant 3D Electric Blue Flash Pattern Natural Welo Black Opal Gems

$ 13.19 $ 7.91

1.14Ct Round Amazing 3D Electric Blue Flash Pattern Natural Welo Black Opal Gems

$ 9.67 $ 5.8

1.52Ct Round Romantic 3D Red Flash Pattern Natural Welo Black Opal Gemstone

$ 13.19 $ 7.91

1.09Ct Marquise Exceptional 3D Harlequin Pattern Natural Welo Black Opal Gems

$ 8.79 $ 5.27

1.14ct 9x6.8mm Oval Cab Natural Floral Flash Play-Of-Color Crystal Black Opal

$ 1.1 $ 0.66

1.06ct 9.7x6.3mm Oval Cab Natural Floral Flash Play-Of-Color Crystal Black Opal

$ 0.87 $ 0.52

GTL CERTIFIED 6.35 Cts NATURAL BLACK LOOSE GEMSTONE ETHIOPIAN FIRE OPAL CABOCHON

$ 180.75 $ 108.45

Australia LIGHTNING RIDGE DARK BASE/CRYSTAL OPAL Bright Rough Chips Lot 21.15cts

$ 39.6 $ 23.76

628.2Ct Ethiopian Black Chocolate Opal Facet Rough Clarity Enhanced YQO4352

$ 28.15 $ 16.89

3.06Ct Supreme 13 X 7 mm Rainbow Multi Flashy Honey Comb Solid Black Fire Opal

$ 30.79 $ 18.47

Natural Gem Australian Black Matrix Opal 5mm Faceted Round Beads Necklace 16.5"

$ 43.38 $ 26.03

1.32ct 10x6mm Oval Cab Natural Floral Flash Play-Of-Color Crystal Black Opal

$ 0.87 $ 0.52

0.76ct 7x5.5mm Oval Cabochon Natural Lightning Ridge Semi Black Opal, Australia

$ 0.87 $ 0.52

0.66ct 7.6x6mm Oval Cabochon Natural Lightning Ridge Semi Black Opal, Australia

$ 0.87 $ 0.52

Australia LIGHTNING RIDGE GRAY BASE/CRYSTAL OPAL Rough Rubs Lot 24.40cts

$ 52.8 $ 31.67

0.98 ct Dark Opal Lightning Ridge Solid Loose Australian Gemstone SBE250821

$ 220 $ 132

0.66ct 7.5x5.8mm Oval Cabochon Natural Lightning Ridge Semi Black Opal Australia

$ 2.86 $ 1.71

Australian Black-Dark Opal Lot Of 6 Gemstone Cabochons 5.7ct Blue Green LR Y089

$ 157.52 $ 94.51

1.36Ct Round Impressive 3D Ribbon Flash Pattern Natural Welo Black Opal Gems

$ 12.31 $ 7.38

Natural LIGHTNING RIDGE DARK BASE + CRYSTAL OPAL Specimen Rough Lot 26.50cts

$ 30.8 $ 18.48

Unique Rare Dragons Eye Lightning Ridge Australian Red on Black Opal Gemstone!

$ 2200 $ 1320

Australia LIGHTNING RIDGE DARK BASE/CRYSTAL OPAL Specimen Rough Lot 80.50cts

$ 66 $ 39.6

2.35Ct Exclusive Oval cut 5 X 4 mm Multi Color Play Black Fire Opal

$ 10.55 $ 6.33

LR Black Opal Cabochon, N4 Black/B2 Moderately Bright 3 Carat, 15.5 x 10.8 mm

$ 18.12 $ 10.87

1.24Ct Pear Terrific 3D Harlequin Pattern Natural Welo Black Opal Gemstone

$ 10.55 $ 6.33

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

$ 18.17 $ 10.9

Australia LIGHTNING RIDGE SEAM OPAL IN MATRIX Specimen Rough Lot 34.10cts

$ 33.44 $ 20.06

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

$ 26.4 $ 15.83

3.25CTS GLITTERING 3D MULTI-COLOR PLAY NATURAL WELO BLACK OPAL LOOSE GEMSTONE

$ 46.63 $ 27.97

7.27CT HUGE! ATTRACTIVE 3D HARLEQUIN PATTERN NATURAL WELO BLACK OPAL GEMSTONE

$ 185.67 $ 111.4

6.30CTS GLITTERING 3D MULTI-COLOR PLAY NATURAL WELO BLACK OPAL LOOSE GEMSTONE

$ 87.99 $ 52.79

1.52Ct Oval Awesome 3D Broad Flash Pattern Natural Welo Black Opal Gemstone

$ 13.19 $ 7.91

1.5ct natural solid Lightning Ridge Gem dark opal,rainbow fire *see video*

$ 577.84 $ 346.7

Australia Natural LIGHTNING RIDGE DARK BASE OPAL Specimen Rough Lot 9.60cts

$ 17.6 $ 10.56

Black Opal Rainbow Oval Loose Cabochon Intense Color Lab-Grown Stone 10x14mm, EU

$ 24.64 $ 14.78

22.1Ct Ethiopian Crystal Black Opal Rough Clarity Enhanced UYSJ1344

$ 0.87 $ 0.52

.825 Carat "F" In Australian Lightning Ridge Semi Black Opal Cabochon No Reserve

$ 264 $ 158.4

Natural Australia LAMBINA LIGHT BASE/CRYSTAL OPAL Specimen Rough 53.30cts

$ 22.88 $ 13.72

2.19CTS EXCELLENT CUSHION SHAPE NATURAL WELO SOLID BLACK OPAL LOOSE GEMSTONE

$ 31.67 $ 19

7x5 MM Natural Ethiopian Black Opal Pear Faceted AAA Fire Opal Loose Gemstone

$ 1948.01 $ 1168.8

1.30CTS GLITTERING 3D HARLEQUIN PATTERN NATURAL WELO BLACK OPAL LOOSE GEMSTONE

$ 17.59 $ 10.55

UNUSUAL Semi Black RED MULTICOLOR 3.7ct Freeform from Mintabie!

$ 175.99 $ 105.59

5 Pieces 10x12 MM Ethiopian Opal Cabochon Loose gemstone Black Opal Oval Shape

$ 299.2 $ 179.52

6x8 MM Natural Ethiopian Black Opal Cabochon Oval AAA Fire Opal Loose Gemstone

$ 326.47 $ 195.88

50 Piece Lot 4x4 MM Ethiopian Opal Cabochon Black Opal Round Cut loose gemstone

$ 132 $ 79.2

16ct.LIGHTNING RIDGE SOLID BLACK OPAL~BRILLIANT ZONED GREEN/BLUE FIRE

$ 704 $ 422.4

GTL CERTIFIED 13.60 Ct Top Natural Loose Gemstone Black Ethiopian Opal Cab D60

$ 278.08 $ 166.84

Lightning Ridge Australia - Solid Black Opal - 0.78 cts

$ 59.84 $ 35.9

1.27CTS ATTRACTIVE 3D HARLEQUIN PATTERN NATURAL WELO BLACK OPAL LOOSE GEMSTONE

$ 21.99 $ 13.19

3.26Ct Wonderful Oval Cab 12 X 10 mm Dancing colors Black Fire Opal

$ 34.83 $ 20.89

2.38 Ct Dazzling Fire (11 x 8 mm) 3D Honey Comb MultiColorBlack Opal Cab

$ 20.23 $ 12.13

Natural Loose Gemstone Black Ethiopian Welo Fire Opal 0.80 Cts Cushion Shape M73

$ 18.07 $ 10.84

2.23ct Black Opal Lightning Ridge Solid Loose Australian Gemstone BOA250821

$ 572 $ 343.2

1.78Ct Oval Elegant 3D Electric Blue Flash Pattern Natural Welo Black Opal Gems

$ 15.83 $ 9.49

1.45Ct Round Amazing 3D Ribbon Flash Pattern Natural Welo Black Opal Gems

$ 13.19 $ 7.91

2.65Ct CHARMING 3D PATCHWORK PATTERN NATURAL WELO BLACK OPAL GEMSTONE

$ 24.63 $ 14.77

2.00Ct Oval Significant 3D Peacock Pattern Natural Welo Black Opal Gemstone

$ 18.47 $ 11.08

1.26CT OVAL, ATTRACTIVE 3D HARLEQUIN PATTERN NATURAL WELO BLACK OPAL GEMSTONE

$ 7.03 $ 4.21

9.83Ct GORGEOUS ! RAINBOW MULTI FLASHY 3D CHAFF PATTERN WELO BLACK OPAL

$ 88.87 $ 53.32

Black Opal Cabochon Lightning Ridge Australia Oval Green Red 1.33ct Gemstone W13

$ 149.51 $ 89.7

0.91ct 9x6.2mm Pear Cabochon Natural Lightning Ridge Semi Black Opal, Australia

$ 0.87 $ 0.52

Australia LIGHTNING RIDGE POTCH OPAL Practice Cutting Rough 128.00cts

$ 17.6 $ 10.56

10.2x7.7 MM 1.6 Ct Natural Blue Green Fire Ethiopian Black Opal Oval Cabochon

$ 23.75 $ 14.25

GTL CERTIFIED 4.95 Ct Natural Loose Gemstone Bright Black Ethiopian Welo Opal G5

$ 52.14 $ 31.28

6.87CTS GLITTERING 3D MULTI COLOR NATURAL WELO BLACK OPAL LOOSE GEMSTONE "VIDEO"

$ 140.79 $ 84.47

FIERY REDS IN THIS SOLID LIGHTNING RIDGE AUSTRALIAN BLACK OPAL GEMSTONE 13138

$ 1716 $ 1029.59

1.23Ct Round Premium 3D Ribbon Flash Pattern Natural Welo Black Opal Gems

$ 10.55 $ 6.33

1.64Ct Oval Awesome 3D Red Flash Pattern Natural Welo Black Opal Gemstone

$ 14.07 $ 8.44

1.38Ct Oval Supreme 3D Electric Blue Flash Pattern Natural Welo Black Opal Gems

$ 12.31 $ 7.38

Natural LIGHTNING RIDGE DARK BASE + CRYSTAL OPAL Rough Chips Lot 10.20cts

$ 17.6 $ 10.56

14.64Ct GORGEOUS ! RAINBOW MULTI FLASHY 3D HONEY COMB PATTERN WELO BLACK OPAL

$ 131.11 $ 78.66

Natural Australia LIGHTNING RIDGE LIGHT BASE GRAY OPAL Rough Rub 3.15cts

$ 17.6 $ 10.56

7x5 MM Oval Black Opal Cabochon Fabulous Fire Opal Ethiopian Opal Loose Gemstone

$ 12.31 $ 7.38

5.09CTS STUNNING 3D HARLEQUIN PATTERN NATURAL WELO BLACK OPAL LOOSE GEMSTONE

$ 65.99 $ 39.59

10.00CTS ATTRACTIVE 3D HARLEQUIN PATTERN NATURAL WELO BLACK OPAL LOOSE GEMSTONE

$ 219.99 $ 131.99

Australia Top Color ANDAMOOKA CONCRETE MATRIX OPAL Cutting Rough 16.40cts

$ 19.36 $ 11.61

Australian Lightning Ridge Triplet Opal Stud Earrings Sterling Silver w Cert

$ 70.62 $ 42.37

ETHIOPIAN BLACK FIRE OPAL 8 MM ROUND CABOCHON CALIBRATED ALL NATURAL F-3217

$ 11.07 $ 6.64

7.34CT OVAL CAB, UNIQUE 3D RED FLOG PATTERN NATURAL WELO BLACK OPAL GEMSTONE

$ 166.31 $ 99.78

Natural Australia LAMBINA LIGHT BASE OPAL Australia Cutting Rough 4.60cts

$ 14.08 $ 8.44

FIERY BRIGHT NATURAL SOLID AUSTRALIAN LIGHTNING RIDGE BLACK OPAL (4084)

$ 4369.2 $ 2621.52

Magical Orange Galaxy Natural Solid Untreated Australian Opal Perfect Ringstone!

$ 435.6 $ 261.36

Natural Australia LAMBINA GRAY BASE OPAL Cutting Rough 27.70cts

$ 30.8 $ 18.48

Natural Gem Australian Black Matrix Fire Opal 5 to 7mm Round Beads Necklace 16"

$ 69.52 $ 41.71

Australia LIGHTNING RIDGE BLACK/GRAY BASE OPAL Reject Rough Rubs Lot 37.75cts

$ 44 $ 26.4

Broadflash! 2.47ct Solid Black Opal GREEN & BLUE Freeform from Lightning Ridge!

$ 175.99 $ 105.59

31.5Ct Clarity Enhanced Ethiopian Chocolate Black Opal Rough Specimen MSQO1662

$ 0.87 $ 0.52

10ct 17x15x6.5mm Solid Purple Fire Jelly Australian Opal Free Form Cabochon

$ 59.84 $ 35.9

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

$ 52.79 $ 31.67

3.04CTS EXCELLENT 3D MULTI COLOR NATURAL WELO BLACK OPAL LOOSE GEMSTONE "VIDEO"

$ 48.39 $ 29.03

1.16Ct Round Dazzling 3D Rainbow Color Playing Natural Welo Black Opal Gemstone

$ 10.55 $ 6.33

4.53Ct EYE-POPPING 3D RIBBON FLASH PATTERN NATURAL WELO BLACK OPAL GEMSTONE

$ 45.75 $ 27.45

1.26Ct Oval Fantastic 3D Ribbon Flash Pattern Natural Welo Black Opal Gems

$ 10.55 $ 6.33

1.13Ct Round Supreme 3D Peacock Pattern Natural Welo Black Opal Gemstone

$ 8.79 $ 5.27

1.63Ct First-class 3D Patchwork Pattern Natural Welo Black Opal Gemstone

$ 14.07 $ 8.44

1.57CT MARQUISE CAB, AMAZING 3D PATCHWORK PATTERN NATURAL WELO BLACK OPAL GEMS

$ 8.79 $ 5.27

1.34Ct Pear Flashing 3D Ribbon Flash Pattern Natural Welo Black Opal Gems

$ 11.43 $ 6.85

1.50Ct Oval Tremendous 3D Patchwork Pattern Natural Welo Black Opal Gemstone

$ 13.19 $ 7.91