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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

1.79ct 11.7x6.5mm Oval Cab Natural Floral Flash Play-Of-Color Crystal Black Opal

$ 0.87 $ 0.52

Australia Top Color ANDAMOOKA CONCRETE MATRIX OPAL Cutting Rough 48.00cts

$ 79.2 $ 47.52

PENDANT SIZE! 16ct Solid Black Opal BLUE & GREEN Freeform from Lightning Ridge!

$ 527.99 $ 316.79

Australia Top Color ANDAMOOKA CONCRETE MATRIX OPAL Cutting Rough 34.15cts

$ 28.16 $ 16.89

9.2 ct Semi-black Australian Opal w/ Color Bands from Lightning Ridge Australia

$ 351.99 $ 211.19

Small Top.gem Black opal Polished Cabachon Lightning Ridge Australia

$ 154 $ 92.4

1.90ct Black Opal Lightning Ridge Solid Loose Australian Gemstone BOB250821

$ 123.2 $ 73.92

6.03Ct DAZZLING 3D COLOR PLAYING_SPLASH CHAFF PATTERN NATURAL WELO BLACK OPAL

$ 76.55 $ 45.93

4 cts Ethiopian Fire Opal 12 x 10 mm Earth Mined Gemstone #obo1605

$ 16.63 $ 9.97

2.72Ct Oval Lovely 3D Broad Flash Pattern Natural Welo Black Opal Gemstone

$ 23.75 $ 14.25

7.44CT FANTASTIC 3D PATCHWORK PATTERN NATURAL WELO BLACK OPAL GEMSTONE

$ 164.55 $ 98.73

48 carats NATURAL SOLID LIGHTNING RIDGE CARVED BLACK OPAL GEMSTONE (8898)

$ 35904 $ 21542.4

Australia Top Quality ANDAMOOKA HARD MATRIX OPAL Cutting Rough 42.25cts

$ 88 $ 52.8

Natural LIGHTNING RIDGE DARK BASE GRAY OPAL Australia Specimen Rough 11.90cts

$ 14.08 $ 8.44

1.5ct 13x6.8x2.3mm Small Mintabee Australian Opal Cabochon Loose Gemstone

$ 27.28 $ 16.36

1.7 ct. 100% Natural Australian N -2 Black opal Red multi GEM

$ 1936 $ 1161.59

6.71 cts Natural Gemstone Multicolors Black Opal | Pear Shape | Natural Gemstone

$ 53.73 $ 32.23

2.77CTS STUNNING 3D MULTI-COLOR PLAY NATURAL WELO BLACK OPAL LOOSE GEMSTONE

$ 43.99 $ 26.39

4.50CTS WONDERFUL 3D MULTI-COLOR NATURAL WELO BLACK OPAL LOOSE GEMSTONE "VIDEO"

$ 70.39 $ 42.23

AMAZING & UNIQUE "BUTTERFLY WING" NATURAL LIGHTNING RIDGE AUSTRALIAN BLACK OPAL

$ 1320 $ 792

7.09CT ATTRACTIVE 3D RED FLASH PATTERN NATURAL WELO BLACK OPAL LOOSE GEMSTONE

$ 166.31 $ 99.78

8.9ct 22.6x11.5x4.8mm Solid Blue Green Australian Oval Opal Cabochon Loose Gem

$ 92.4 $ 55.44

Galaxy! 4.5ct Semi Black Opal Green Orange Oval Lightning Ridge AU!

$ 351.99 $ 211.19

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

$ 11.96 $ 7.18

Australia Natural LIGHTNING RIDGE DARK BASE OPAL Cutting Rough 7.30cts

$ 17.6 $ 10.56

Australia Natural LIGHTNING RIDGE LIGHT BASE OPAL Cutting Rough 4.95cts

$ 15.84 $ 9.5

GTL CERTIFIED 2.95 Cts Natural Loose Gemstone Black Ethiopian Welo Opal Cab V13

$ 27.8 $ 16.68

5x4 MM Natural Ethiopian Black Opal Faceted Oval Shape Fire Opal Loose Gemstone

$ 1654.15 $ 992.49

2.70 cts Ethiopian Fire Opal 12 x 9 mm Earth Mined Gemstone #obo1534

$ 12.32 $ 7.39

2.02CTS EXCELLENT 3D MULTI COLOR NATURAL WELO BLACK OPAL LOOSE GEMSTONE "VIDEO"

$ 29.91 $ 17.94

Opal Cushion Cut Ethiopian Opal Faceted AAA Fire Opal Loose Gemstone

$ 17.24 $ 10.34

2.385 CTS MULTI COLOR PLAY BLACK NATURAL OPAL OVAL CABOCHON SEE VIDEO

$ 8.79 $ 5.27

Natural Australia MINTABIE DARK BASE OPAL Rough Rub 17.20cts

$ 39.6 $ 23.76

Top gem colors black Lightning Ridge Australian polished opal .41 ct

$ 171.6 $ 102.96

6.70CTS EXCELLENT 3D MULTI COLOR PLAY NATURAL WELO BLACK OPAL LOOSE GEMSTONE

$ 140.79 $ 84.47

Natural Gem Australian Black Matrix Opal 4.5mm Faceted Rondelle Bead Necklace

$ 43.38 $ 26.03

Natural Gem Australian Black Matrix Opal 4.5mm Faceted Rondelle Bead Necklace16"

$ 39.64 $ 23.78

Multicolour Black Black Opal | 2.33 cts Pear Shape | Loose Gemstone Gemstone

$ 27.27 $ 16.36

Highest Quality Gem Lightning Ridge Australian Black Opal Triangle 2.95 Carat

$ 3960 $ 2376

Australia Natural LIGHTNING RIDGE GRAY BASE OPAL Specimen Rough Lot 8.60cts

$ 14.08 $ 8.44

3.73ctw NATURAL AUSTRALIAN SOLID LIGHTNING RIDGE CRYSTAL JELLY OPAL 12282

$ 290.39 $ 174.23

Lightning Ridge Semi Black Crystal Opal 1.67ct Australian Natural Carved Stone

$ 79.86 $ 47.91

Lightning Ridge Australia - Solid Black Opal - 1.17 cts

$ 308.88 $ 185.32