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276.2Ct Ethiopian Crystal Black Opal Rough Clarity Enhanced YSJ3648

$ 1.75 $ 1.05

219.9Ct Ethiopian Black Chocolate Opal Facet Rough Clarity Enhanced YQO4348

$ 18.04 $ 10.82

Polished Australian Black Opal Cabochon in Gem Jar-1.2 Grams-Vintage Estate Find

$ 3.74 $ 2.24

LR Black Opal Cabochon, N3Black/B3, Bright 1.5 Carat, 10 x 8 mm Oval Cabochon

$ 88 $ 52.8

Lightning Ridge Black Opal Rough Rubs Parcel, 30 cts, 14 Pieces, Begin Lapidary

$ 13.64 $ 8.18

10.74ct Opal Freeform Cut Loose Stone NR

$ 1.98 $ 1.18

627.45Ct Ethiopian Black Chocolate Opal Facet Rough Clarity Enhanced YQO4350

$ 29.04 $ 17.42

269.8Ct Ethiopian Black Chocolate Opal Facet Rough Clarity Enhanced YQO4354

$ 22.88 $ 13.72

GTL CERTIFIED 17.70 Cts Top Natural Loose Gemstone Black Ethiopian Fire Opal Cab

$ 521.4 $ 312.83

1.30ct 9.2x6.7mm Oval Cabochon Natural Lightning Ridge Semi Black Opal Australia

$ 1.1 $ 0.66

259.05Ct Ethiopian Crystal Black Opal Rough Clarity Enhanced YSJ3690

$ 1.75 $ 1.05

156.5Ct Ethiopian Black Chocolate Opal Facet Rough Clarity Enhanced YQO4353

$ 4.84 $ 2.9

987.15Ct Ethiopian Black Chocolate Opal Facet Rough Clarity Enhanced YQO4351

$ 22.88 $ 13.72

233.6Ct Ethiopian Black Chocolate Opal Facet Rough Clarity Enhanced YQO4349

$ 1.98 $ 1.18

2.90 cts Natural Ethiopian Fire Opal 12 x 9 mm Cabochon Gemstone #obo599

$ 6.15 $ 3.69

0.81Ct Oval Extreme 3D Patchwork Pattern Natural Welo Black Opal Gemstone

$ 6.15 $ 3.69

1.95 cts Ethiopian Fire Opal 8 mm Faceted Gemstone #obt4

$ 16.63 $ 9.97

0.47ct 7.4x6mm Oval Cabochon Natural Lightning Ridge Semi Black Opal, Australia

$ 1.1 $ 0.66

2.05Ct Oval Romantic 3D Electric Blue Flash Pattern Natural Welo Black Opal Gems

$ 18.47 $ 11.08

1.46Ct Marquise Best 3D Ribbon Flash Pattern Natural Welo Black Opal Gems

$ 13.19 $ 7.91

1.03Ct Marquise Supreme 3D Peacock Pattern Natural Welo Black Opal Gemstone

$ 8.79 $ 5.27

1.58CT OVAL, BRILLIANT 3D PIN FIRE PATTERN NATURAL WELO BLACK OPAL GEMSTONE

$ 6.15 $ 3.69

1.19Ct Round Wonderful 3D Peacock Pattern Natural Welo Black Opal Gemstone

$ 9.67 $ 5.8

Australia Top Color Untreated ANDAMOOKA HARD MATRIX OPAL Cutting Rough 26.30cts

$ 66 $ 39.6

Australia Natural ANDAMOOKA HARD MATRIX OPAL Cutting Rough 22.05cts

$ 30.8 $ 18.48

1.05 ct Dark Opal Lightning Ridge Solid Loose Australian Gemstone SBF250821

$ 237.6 $ 142.56

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