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Dazzling Color-Filled Veins * 26ct Natural Australian Solid Koroit Boulder Opal

$ 347.6 $ 208.56

Boulder Opal top drilled 19x11.5mm with 6mm dome from Australia (12203)

$ 17.15 $ 10.29

Flashy Gem Colors 26ct Natural Australian Solid Koroit Nut Boulder Opal * Video

$ 180.4 $ 108.24

23.75 Cts Unheated Australian Boulder Opal Loose Gemstone cabochon Natural VG52

$ 10.19 $ 6.11

Natural Koroit Boulder Opal Gemstone 12.9 Cts Loose Cabochon Australia WG435

$ 21.99 $ 13.19

13 gram boulder opal rough - Australia specimen

$ 52.8 $ 31.67

925 sterling silver opal necklace. 17". 31.30 Cts. Beautiful Color!

$ 21.12 $ 12.67

Big & Beautiful * 100ct Natural Australian Solid Koroit Boulder Opal * See Video

$ 264 $ 158.4

Electric Gem Colors * 7ct Australian Solid Black Matrix Boulder Opal * Video

$ 321.2 $ 192.72

Bright Blue Colors Beautiful Large Koroit Boulder Opal From Australia

$ 96.8 $ 58.08

7.12ct Oval Cabochon Natural Winton Area Matrix Boulder Opal, Australia

$ 46.2 $ 27.72

Beautiful Double-Sided 78ct Natural Australian Solid Koroit Boulder Opal

$ 484 $ 290.39

5.31 ct FANCY CABOCHON (17 X 9 MM) MULTI COLOR AUSTRALIAN KOROIT BOULDER OPAL

$ 57.19 $ 34.31

12.98ct Oval Cabochon Natural Winton Area Matrix Boulder Opal, Australia

$ 46.2 $ 27.72

Superb Pattern & Colors * 24ct Natural Australian Solid Koroit Boulder Opal

$ 321.2 $ 192.72

Australian Queensland Boulder Opal Pendant Bead Polished

$ 18.47 $ 11.08

Australian Boulder Opal Lot 5 Pieces Rough Opal for Collectors

$ 44 $ 26.4

Dark Body Gem Colors * 37ct Natural Australian Solid Koroit Boulder Opal * Video

$ 321.2 $ 192.72

Boulder Opal Koroit Boulder Opal 15oz Rough

$ 61.6 $ 36.96

Natural Gem Australian Boulder Fire Opal 8mm Size Round Beads Necklace 16"

$ 160.16 $ 96.09

Magnificent Pattern & Colors * 37ct Natural Australian Solid Koroit Boulder Opal

$ 1122 $ 673.2

61.64ct Oval Cabochon Natural Winton Area Matrix Koroit Boulder Opal, Australia

$ 46.2 $ 27.72

Australian Boulder Opal Rough - 🔥Red Orange Green🔥 - 2.2 oz / 62g - #2151

$ 5.27 $ 3.16

QUEENSLAND 23.3c BOULDER OPAL GEM AUSTRALIA POLISHED CAB UNSET OCA13868

$ 0.87 $ 0.52

QUEENSLAND 7.6c BOULDER OPAL GEM AUSTRALIA POLISHED CAB UNSET OCA13871

$ 0.87 $ 0.52

QUEENSLAND 401c BOULDER OPAL AUSTRALIA PREFORM ROUGH RUB PARCEL OCA13861

$ 4.39 $ 2.63

QUEENSLAND 21.2c BOULDER OPAL GEM AUSTRALIA POLISHED CAB UNSET OCA13869

$ 0.87 $ 0.52

QUEENSLAND 447c BOULDER OPAL AUSTRALIA PREFORM ROUGH RUB PARCEL OCA13859

$ 4.39 $ 2.63

QUEENSLAND 263c BOULDER OPAL AUSTRALIA PREFORM ROUGH RUB PARCEL OCA13860

$ 4.39 $ 2.63

QUEENSLAND 27.2c BOULDER OPAL GEM AUSTRALIA POLISHED CAB UNSET OCA13870

$ 17.16 $ 10.29

Natural Boulder Opal Amazing Pear Shape Cabochon Loose Gemstone 85 Cts AA-1746

$ 4.39 $ 2.63

1.24ct 7.7x6.6mm Triangle Cabochon Natural Winton Area Matrix Boulder Opal

$ 0.87 $ 0.52

Australia Natural Queensland YOWAH BOULDER OPAL Rough Rub 15.20cts

$ 39.6 $ 23.76

Queensland Boulder Opal 31.35ct Australian Natural Stone

$ 223.32 $ 133.99

Green & Violet * 12ct Natural Australian Solid Matrix Boulder Opal * See Video

$ 2.58 $ 1.55

6.65ct 20.3x9.2mm Pear Cab Natural Winton Area Matrix Boulder Opal, Australia

$ 1.98 $ 1.18

1.46ct 7.8x5.8mm Cushion Cab Natural Winton Area Matrix Boulder Opal Australia

$ 0.87 $ 0.52

43 Ct. Natural Boulder Opal Oval Cabochon Loose Gemstone For Jewelry ZZ-1855

$ 4.39 $ 2.63

44 Ct. Natural Boulder Opal Oval Cabochon Loose Gemstone For Jewelry ZZ-1876

$ 4.39 $ 2.63

Andy's Gem Garage Sale -Austrailian Boulder Opal #10 3 pieces - 1.70cts FIRE!!!

$ 29.92 $ 17.95

100% Natural Australian BOULDER OPAL Pear Cab 35.40 Cts 23x32x5 mm Gemstone

$ 6.15 $ 3.69

4.46ct 11.4x10.5mm Triangle Cabochon Natural Winton Area Matrix Boulder Opal

$ 0.87 $ 0.52

Australian Boulder Opal 270.0ct Natural Stone Specimen

$ 128.05 $ 76.83

Large Colorful Yowah Boulder Opal Polished Nice Color Flashes

$ 35.2 $ 21.12

6.65Ct RAREST MULTI-COLOR MATRIX PRECIOUS NATURAL BOULDER OPAL !!

$ 7.91 $ 4.74

Nice Polished Boulder Opal Cabochon in Gem Jar- .8 Grams- Vintage Estate Find

$ 7.08 $ 4.25

QUEENSLAND 260c BOULDER OPAL AUSTRALIA PREFORM ROUGH RUB PARCEL OCA13923

$ 95.48 $ 57.28

QUEENSLAND 7.6c BOULDER OPAL GEM AUSTRALIA POLISHED CAB UNSET OCA13936

$ 8.36 $ 5.01

QUEENSLAND 11.5c BOULDER OPAL GEM AUSTRALIA POLISHED CAB UNSET OCA13938

$ 14.78 $ 8.87

Beautiful Polished Australian Black Opal Cabochon in Jar- 2.65ct- Estate Find

$ 4.53 $ 2.71

6.06ct 18x10.2mm Free Form Cabochon Natural Winton Area Matrix Boulder Opal

$ 0.87 $ 0.52

QUEENSLAND 8.3c BOULDER OPAL GEM AUSTRALIA POLISHED CAB UNSET OCA13937

$ 6.24 $ 3.74

QUEENSLAND 12.4c BOULDER OPAL GEM AUSTRALIA POLISHED CAB UNSET OCA13935

$ 23.76 $ 14.25

QUEENSLAND 241c BOULDER OPAL AUSTRALIA PREFORM ROUGH RUB PARCEL OCA13922

$ 36.08 $ 21.64

11CT BOULDER OPAL FOSSIL OPALIZED WOOD PLAY MULTI COLOR GEM POLISHED NECKLACE

$ 7.03 $ 4.21

QUEENSLAND 337c BOULDER OPAL AUSTRALIA PREFORM ROUGH RUB PARCEL OCA13924

$ 31.68 $ 19

23ct Polished Australian Boulder Opal

$ 35.15 $ 21.09

4.03ct Triangle Cabochon Natural Winton Area Matrix Boulder Opal, Australia

$ 0.87 $ 0.52

3.67ct Oval Cabochon Natural Koroit Nut Matrix Boulder Opal, Australia

$ 0.87 $ 0.52

1.90ct 11.7x7.5mm Oval Cabochon Natural Wood Replacement Pipe Boulder Opal

$ 0.87 $ 0.52

Brilliant Colorshow * 22ct Natural Australian Solid Matrix Boulder Opal * Video

$ 237.6 $ 142.56

9CT BOULDER OPAL FOSSIL OPALIZED WOOD PLAY MULTI COLOR GEM POLISHED NECKLACE

$ 7.03 $ 4.21

6.88ct 13.8x12mm Oval Cab Natural Opalized Wood Fossil Boulder Opal, Australia

$ 1.98 $ 1.18

Australian Boulder Opal 6.33ct Queensland Natural Stone

$ 160.77 $ 96.46

13.04ct 21.6x14.3mm Oval Cabochon Natural Winton Area Matrix Boulder Opal

$ 0.87 $ 0.52

Australian Boulder Opal 6.79ct Queensland Natural Stone

$ 80.38 $ 48.23

30.15ct 23.6x18.6mm Rectangle Natural Winton Area Matrix Boulder Opal, Australia

$ 1.98 $ 1.18

82.62ct 37.2x30.7mm Pear Cab Natural Koroit Nut Matrix Boulder Opal, Australia

$ 0.87 $ 0.52

Queensland Boulder Opal Pendant Hand Made Silver Natural Australian Stone

$ 316.94 $ 190.16

5.60ct 17x10mm Triangle Cab Natural Koroit Nut Matrix Boulder Opal, Australia

$ 0.87 $ 0.52

4.35ct 12.5x8.8mm Oval Cab Natural Winton Area Matrix Boulder Opal Australia

$ 0.87 $ 0.52

5CT BOULDER OPAL FOSSIL OPALIZED WOOD PLAY MULTI COLOR GEM POLISHED NECKLACE

$ 7.03 $ 4.21

Vintage Loose 10 x 28.5 mm Australian Boulder Opal 2.68 Grams 13.40 Ct 1 1/8"

$ 307.95 $ 184.77

Red, Green, Violet * 7ct Natural Australian Solid Matrix Boulder Opal * Video

$ 181.5 $ 108.9

3.89ct 12.2x10.2mm Oval Cab Natural Koroit Nut Matrix Boulder Opal, Australia

$ 0.87 $ 0.52

15CT BOULDER OPAL FOSSIL OPALIZED WOOD PLAY MULTI COLOR GEM POLISHED NECKLACE

$ 7.03 $ 4.21

8CT BOULDER OPAL FOSSIL OPALIZED WOOD PLAY MULTI COLOR GEM POLISHED NECKLACE

$ 7.03 $ 4.21

6CT BOULDER OPAL FOSSIL OPALIZED WOOD PLAY MULTI COLOR GEM POLISHED NECKLACE

$ 7.03 $ 4.21

7CT BOULDER OPAL FOSSIL OPALIZED WOOD PLAY MULTI COLOR GEM POLISHED NECKLACE

$ 7.03 $ 4.21

8CT BOULDER OPAL FOSSIL OPALIZED WOOD PLAY MULTI COLOR GEM POLISHED NECKLACE

$ 7.03 $ 4.21

5CT BOULDER OPAL FOSSIL OPALIZED WOOD PLAY MULTI COLOR GEM POLISHED NECKLACE

$ 7.03 $ 4.21

9CT BOULDER OPAL FOSSIL OPALIZED WOOD PLAY MULTI COLOR GEM POLISHED NECKLACE

$ 7.03 $ 4.21

Australian Boulder Crystal Pipe Opal 46.60ct Drilled Queensland Pendant Stone

$ 159.79 $ 95.87

10.44ct 18.7x11mm Oval Cabochon Natural Koroit Nut Matrix Boulder Opal Australia

$ 4.84 $ 2.9

5.18ct 12.8x9.5mm Oval Cab Natural Winton Area Matrix Boulder Opal, Australia

$ 1.98 $ 1.19

5.72ct 12.7x11.5mm Oval Cab Natural Koroit Nut Matrix Boulder Opal, Australia

$ 4.61 $ 2.76

5.6ct 13x10.5mm Rectangle Cab Natural Winton Area Matrix Boulder Opal, Australia

$ 13.64 $ 8.18

1.60ct 10.5x8.5mm Oval Cab Natural Opalized Wood Fossil Boulder Opal

$ 0.87 $ 0.52

Australian Boulder Opal 23.76ct Queensland Natural Stone

$ 257.24 $ 154.34

3.86ct 13.2x8.7mm Pear Cab Natural Winton Area Matrix Boulder Opal, Australia

$ 0.87 $ 0.52

Queensland Boulder Opal 71.98ct Australian Natural Specimen / Stone

$ 215.82 $ 129.49

Australian Boulder Opal 15.19ct Queensland Natural Stone

$ 143.86 $ 86.31

5.38ct 13.8x10mm Oval Cabochon Natural Winton Area Matrix Boulder Opal Australia

$ 0.87 $ 0.52

16.21ct 24.5x13mm Pear Cabochon Natural Koroit Nut Matrix Boulder Opal Australia

$ 0.87 $ 0.52

Australia Natural KOROIT BOULDER OPAL Specimen Rough Lot 27.30cts

$ 19.36 $ 11.61

6.72ct 15.2x11mm Oval Cabochon Natural Koroit Nut Matrix Boulder Opal, Australia

$ 0.87 $ 0.52

Australian Boulder Opal 35.00ct Drilled Pendant Queensland Natural Stone

$ 124.66 $ 74.8

3.47ct 11.5x9mm Oval Cab Natural Opalized Wood Fossil Boulder Opal, Australia

$ 0.87 $ 0.52

4.90ct 10.6x9.5mm Free Form Cabochon Natural Winton Area Matrix Boulder Opal

$ 0.87 $ 0.52

Over 27,000cts of Australian BOULDER OPAL Rough-Raw w/Gem Quality to Cut Carve +

$ 3079.12 $ 1847.47