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1.42CT AWESOME 3D BROAD FLASH PATTERN NATURAL WELO BLACK OPAL LOOSE GEMSTONE

$ 9.67 $ 5.8

1.13Ct Oval Exceptional 3D Harlequin Pattern Natural Welo Black Opal Gemstone

$ 8.79 $ 5.27

1.55CT ATTRACTIVE 3D PATCHWORK PATTERN NATURAL WELO BLACK OPAL GEMSTONE

$ 9.67 $ 5.8

0.98Ct Round Eye-opening 3D Ribbon Flash Pattern Natural Welo Black Opal Gems

$ 7.91 $ 4.74

1.33Ct Oval Premium 3D Harlequin Pattern Natural Welo Black Opal Gemstone

$ 11.43 $ 6.85

1.90CT PEAR, UNIQUE 3D HARLEQUIN PATTERN NATURAL WELO BLACK OPAL LOOSE GEMSTONE

$ 9.67 $ 5.8

1.34Ct Oval _ Tremendous 3D Electric Blue Flash Pattern Natural Welo Black Opal

$ 11.43 $ 6.85

1.83Ct Marquise Awe-inspiring 3D Ribbon Flash Pattern Natural Welo Black Opal

$ 15.83 $ 9.49

0.93Ct Natural Australian BLACK OPAL from Lightning Ridge RARE N1 w/ Video

$ 998.8 $ 599.28

19.5 CARAT 18K NATURAL AUSTRALIAN BLACK OPAL AND DIAMOND PENDANT

$ 1980 $ 1188

12.5 ct. Natural Australian Black Opal Blue

$ 968 $ 580.79

4.17 carats N1 DARK NATURAL SOLID AUSTRALIAN LIGHTNING BLACK OPAL STONE (12086

$ 308 $ 184.8

BLACK LEOPARD OPAL-MEXICO 10.26Ct CABOCHON TRAPEZE CUT-PLAY OF COLORS NO.5

$ 88 $ 52.8

6x4 MM Oval Black Opal Cabochon Amazing AAA Fire Opal Loose Gemstone 0.25 Carat

$ 7.03 $ 4.21

Natural Ethiopian Black Opal Oval Cabochon 6.85 Carat Fire Opal Loose Gemstone

$ 140.3 $ 84.18

MAGNIFICENT 5.15 carats SOLID AUSTRALIAN OPAL 10306

$ 690.8 $ 414.47

Natural LIGHTNING RIDGE LIGHT BASE + CRYSTAL OPAL Rough Tiny Chips Lot 25.40cts

$ 17.6 $ 10.56

2.89CTS LOVELY 3D MULTI COLOR PLAY NATURAL WELO BLACK OPAL 12x9.6 MM LOOSE GEMS

$ 38.71 $ 23.22

2.90CTS GLITTERING 3D MULTI-COLOR PLAY NATURAL WELO BLACK OPAL LOOSE GEMSTONE

$ 29.91 $ 17.94

Natural Australian Matrix Opal Pin Fire Big 10MM Size Faceted Beads Necklace 17"

$ 312.39 $ 187.43

0.125 carat and 0.175 carat untreated black and crystal Australian opals.

$ 242 $ 145.19

GLORIOUS FIERY 2.34 carats SOLID NATURAL AUSTRALIAN LIGHTNING RIDGE OPAL 9456

$ 330 $ 198

1.7 ct., 10x7x6mm Rough Australian Lightning Ridge Opal

$ 14.96 $ 8.97

2.05 Carat Natural Ethiopian Loose Gemstone Opal Faceted Cushion Shape AAA Opal

$ 30.44 $ 18.26

Multicolour Black Black Opal | Natural Black Opal | Oval 1.95 cts Gemstones

$ 33.03 $ 19.82

Magical 6 Carat Teardrop Shape Lightning Ridge Australian Black Opal Gemstone

$ 792 $ 475.2

1.7 ct., 11x9x5mm Rough Australian Lightning Ridge Opal

$ 13.2 $ 7.91

4.80 cts Ethiopian Fire Opal 13 x 11 mm Earth Mined Gemstone #obo1462

$ 16.63 $ 9.97

2.1 ct., 10x9x5mm Rough Australian Lightning Ridge Opal

$ 9.68 $ 5.8

Natural Ethiopian Black Opal Cabochon Rectangle Cushion Fire Opal Loose Gemstone

$ 51.93 $ 31.16

Top Quality Opal Black Cabochon Gemstone Ethiopian Fire Opal Black Cabochon

$ 13.2 $ 7.91

Australia ANDAMOOKA CONCRETE MATRIX OPAL Cutting Rough 25.00cts

$ 26.4 $ 15.83

20.9ct 38.5x11.5x6.3mm Huge Solid Australian Mintabee Black Opal Cabochon Gem

$ 175.12 $ 105.07

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

$ 44 $ 26.4

8.73 CTS MULTI COLOR PLAY BLACK NATURAL OPAL PEAR CABOCHON SEE VIDEO

$ 52.8 $ 31.67

ALL THE MAGNIFICENT REDS SOLID LIGHTNING RIDGE AUSTRALIAN BLACK OPAL 12056

$ 1848 $ 1108.8

Natural Ethiopian Black Opal Oval Cabochon, Size 14x9x5 MM, Red Flashy Fire Opal

$ 202.39 $ 121.43

Australia Natural Untreated ANDAMOOKA HARD MATRIX OPAL Cutting Rough 49.50cts

$ 61.6 $ 36.96

1.110CT NR ETHIOPIAN MUSEUM GRADE 3D FLASH HONEY COMB WELO BLACK OPAL SEE VIDEO

$ 9.49 $ 5.69

FIERY SUPER BRIGHT GENUINE SOLID AUSTRALIAN LIGHTNING RIDGE semiBLACK OPAL 12515

$ 2543.19 $ 1525.91

6.45 Carat Natural Ethiopian Black Opal Oval Cabochon Fire Opal Loose Gemstone

$ 146.39 $ 87.83

Exquisite 1.60 CT Heavy Flashing Black Opal Cabochon

$ 264 $ 158.4

Natural Loose Gemstone Multicolors Black Opal Pear 4.28 cts Gemstones

$ 98.24 $ 58.94

Gem Grade dark Crystal Opal Polished From Lightning Ridge Australia 1.38 ct

$ 250.8 $ 150.47

Lightning Ridge Black Opal 4.40ct Australian Natural Stone

$ 297.32 $ 178.39

Lightning Ridge Black Opal 2.93Ct Australian Natural Stone

$ 380.29 $ 228.17

Lightning Ridge Black Opal 5.09ct Australian Natural Stone

$ 239.67 $ 143.8

Lightning Ridge Black Opal 18.82ct Carved Australian Natural Stone

$ 287.49 $ 172.49

Lightning Ridge Black Opal 5.33ct Australian Natural Stone

$ 236.48 $ 141.88

Lightning Ridge Black Opal 2.47ct Australian Natural Stone

$ 399.3 $ 239.58

Natural Australian Black Matrix Opal Gem 9 to 10MM Coin Shape Beads Bracelet

$ 67.32 $ 40.39

1.75 Ct Natural Ethiopian Black Fire Opal Flashing Untreated Cabochon Certified

$ 35.19 $ 21.11

1.55 Ct Natural Ethiopian Black Fire Opal Flashing Untreated Cabochon Certified

$ 35.19 $ 21.11

0.65 Ct Natural Ethiopian Black Fire Opal Flashing Untreated Cabochon Certified

$ 35.19 $ 21.11

4.25 Ct Natural Ethiopian Black Fire Opal Flashing Untreated Cabochon Certified

$ 35.19 $ 21.11

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

$ 87.99 $ 52.79

Beautiful BLACK MIX OPAL Gem OVAL Cabochon Cut AAAAA 9X11mm VVS Loose Gemstone

$ 17.95 $ 10.77

Black Opal Cabochon Oval Shape AAA Fire Quality Opal Loose Gemstone 2.75 Carat

$ 61.45 $ 36.87

Natural Loose Black Opal Multicolour Black | Trillion | 1.39 cts Gemstone

$ 17.67 $ 10.6

Natural Loose Gemstone | Multicolour Black Black Opal | 0.82 cts Marquise

$ 17.36 $ 10.41

1.45 Ct. . Natural Color Play Black Ethiopian Opal Rectangl Cabs Loose Gemstone

$ 17.59 $ 10.55

2.47 ct WOW HUGE RARE NATURAL BEST HARLEQUIN MULTI COLOR PLAY BLACK OPAL

$ 14.95 $ 8.97

2.91Ct RAINBOW MULTI FLASHY HARLEQUIN WELO BLACK OPAL

$ 14.07 $ 8.44

4.03Ct RAINBOW MULTI FLASHY HARLEQUIN WELO BLACK OPAL

$ 17.59 $ 10.55

4.97Ct RAINBOW MULTI FLASHY HARLEQUIN WELO BLACK OPAL

$ 21.99 $ 13.19

2.04Ct Incomparable Oval Cab 12 X 8 mm Dancing colors Black Fire Opal

$ 18.85 $ 11.31

2.17Ct Five-star Round cut 7 X 7 mm Multi Color Play Black Fire Opal

$ 11.59 $ 6.95

3.9 Cts 12.7x9.2 MM Natural Red Blue Green Fire Smoked Black Opal Oval Cabochon

$ 61.59 $ 36.95

9.8 Carat 17.9x13.8 MM Natural Smoked Black Opal Oval Shape Loose Gemstone

$ 96.79 $ 58.07

7.02 carats~ PINKS ~ GENUINE SOLID NATURAL AUSTRALIAN LIGHTNING RIDGE OPAL 14101

$ 1729.2 $ 1037.52

Lightning Ridge Black Opal 1.27ct Australian Natural Stone

$ 159.72 $ 95.83

Natural Ethiopian Black Opal Faceted Rectangle Cushion Fire Opal Loose Gemstone

$ 30.99 $ 18.59

2.96 carats GENUINE SOLID LIGHTNING RIDGE AUSTRALIAN BLACK OPAL GEMSTONE 14011

$ 416.24 $ 249.74

6.32ct Pear Cab Natural Floral Flash Play-Of-Color Crystal Welo Black Opal

$ 210.38 $ 126.22

Ethiopian Welo Natural Black Opal Oval Cabochon Gemstone 4.70 Ct

$ 8.08 $ 4.85

1.1 ct., 8x7x4mm Rough Australian Lightning Ridge Opal

$ 17.6 $ 10.56

FIERY 15.64 carats GENUINE SOLID AUSTRALIAN LIGHTNING RIDGE semiBLACK OPAL 12514

$ 7744 $ 4646.39

3.85CTS EXCELLENT 3D MULTI COLOR NATURAL WELO BLACK OPAL 16x12 MM LOOSE GEMSTONE

$ 35.19 $ 21.11

1.12Ct Exclusive Pear cut 8 X 5 mm Multi color Flashing Black Fire Opal

$ 8.69 $ 5.21

3.19Ct Word Round cut 5 X 5 mm Multi Color Play Black Fire Opal

$ 14.5 $ 8.7

1.70Ct Phenomenal Oval cut 8 X 6 mm Multi Color Play Black Fire Opal

$ 15.95 $ 9.57

1.1 ct., 9x6x4mm Rough Australian Lightning Ridge Opal

$ 13.2 $ 7.91

6ct 16x11x5mm Natural Mintabee Australian Opal Oval Cabochon Gem

$ 52.8 $ 31.67

8.4ct19.3x12.4x6mm Colorful Solid Mintabie Australian Opal Cabochon Loose Gem

$ 65.12 $ 39.07

2.67Ct Marvelous Oval Cab 12 X 8 mm Dancing colors Black Fire Opal

$ 29.02 $ 17.41

2.08Ct Sizzling Pear Cab 12 X 8 mm Dancing colors Black Fire Opal

$ 18.85 $ 11.31

2.57Ct Superb Oval Cab 12 X 8 mm Dancing colors Black Fire Opal

$ 27.57 $ 16.54

7x9mm +10PCS LOT 100% NATURAL ETHIOPIAN OPAL MULTI-FIRE GEMSTONE BLACK CABOCHON

$ 127.83 $ 76.7

Opal - 33 COE Compatible - Gilson Oval Shaped Black – 14mm x 10mm - 1 Piece

$ 52.8 $ 31.67

Lightning Ridge Black Opal 2.06ct Australian Natural Stone

$ 223.76 $ 134.25

Lightning Ridge Black Opal 1.85ct Australian Natural Stone

$ 207.38 $ 124.42

Lightning Ridge Black Opal 3.05ct Australian Natural Stone

$ 214.2 $ 128.52

Lightning Ridge Black Opal 1.90ct Australian Natural Stone

$ 188.62 $ 113.17

Lightning Ridge Black Opal 3.00Ct Australian Natural Stone

$ 188.54 $ 113.12

Lightning Ridge Black Opal 13.68ct Australian Natural Stone

$ 210.91 $ 126.55

Lightning Ridge Black Opal 5.70ct Australian Natural 6 Stone Parcel

$ 182.08 $ 109.24

Lightning Ridge Black Opal 5.97ct Australian Natural Stone

$ 191.74 $ 115.04

1.01 cts Multicolors Natural Loose Black Opal | Natural Gemstone Pear Shape

$ 8.27 $ 4.96

2.58 cts Multicolour Black Natural Loose Black Opal | Gemstone Emerald Shape

$ 18.72 $ 11.23

Lightning Ridge Australia Gem Black Opal Polished Cabachon .72 Ct

$ 66 $ 39.6