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3.43 ct REMARKABLE FANCY (12 X 9 MM) MULTI COLOR AUSTRALIAN KOROIT BOULDER OPAL
$ 45.75
$ 27.45
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Sale
4.48 ct Superb Fancy (15 x 9 mm) Play of Colors Australian Koroit Boulder Opal
$ 7.03
$ 4.21
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Sale
30.2ct Yowah Matrix Opal Red Ironstone Oval Queensland AU
$ 87.99
$ 52.79
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Sale
2.28 ct Splendid Fancy (16 x 6 mm) Multi Color Australian Koroit Boulder Opal
$ 47.51
$ 28.5
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Sale
Pendant Size! 26.7ct Solid Black Boulder Opal Pink & Green Pear Queensland AU
$ 87.99
$ 52.79
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Sale
Solid Boulder Opal RED MULTICOLOR 2ct Freeform Queensland!
$ 123.19
$ 73.91
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Sale
Natural Australian Boulder Opal Gorgeous Color & Pattern 2.74 ct
$ 104.71
$ 62.82
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Sale
Boulder Opal Cabochon 13x10mm 11x8mm with 3.5mm Dome over 5cts Australia (4006)
$ 35.19
$ 21.11
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Sale
Boulder Opal Cabochon 18x22mm with 5mm Dome from Australia over 21cts (7298)
$ 28.59
$ 17.15
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Sale
BOULDER OPAL 38 x 31 MM ALL NATURAL VIVID COLORS COLLECTOR'S STONE
$ 88.87
$ 53.32
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Sale
Blue Dream Boulder Opal: Video!!
$ 250.8
$ 150.47
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Sale
Natural Australian Boulder Opal Gorgeous Color & Pattern 1.25 ct
$ 79.19
$ 47.51
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Sale
3pc Loose Opals Oval Cut 4.5 Ctw #H31
$ 22
$ 13.2
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Sale
Gemmy! 10.8ct Boulder Opal BRIGHT BLUE GREEN Pinfire Queensland AU
$ 263.99
$ 158.39
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Sale
Large 87.6 gram Koroit Boulder Opal, Queensland, Australia - 8.3 cm across
$ 351.99
$ 211.19
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Sale
Creamy Striped Boulder Opal: Video!!
$ 91.52
$ 54.91
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Sale
7.64 ct Eye-popping Fancy (19 x 14 mm) Multi Australian Koroit Boulder Opal
$ 8.79
$ 5.27
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Sale
Boulder Opal 13x16mm from Australia over 9cts (7306)
$ 28.59
$ 17.15
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Sale
36.4 ct Incredibly Vibrant Koroit Boulder Opal Cabochon from Australia - blue!
$ 263.99
$ 158.39
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Sale
Natural Australian Boulder Opal Gorgeous Color & Pattern 1.74 ct
$ 60.71
$ 36.42
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Sale
Blue Dream Boulder Opal: Video!!
$ 87.12
$ 52.27
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Sale
Large Nevada Wood Opal Preserved in Water
$ 1056
$ 633.6
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Sale
Bright Boulder Opal Guitar Pick: Video!!
$ 418
$ 250.8
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Sale
Loose cabochon 4.7ctw. Mexican BOULDER OPAL GEMSTONE Colorful beautiful
$ 112.63
$ 67.57
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Sale
2.08 ct Topnotch Fancy (15 x 5 mm) Multi Color Australian Koroit Boulder Opal
$ 44.87
$ 26.92
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Sale
40.1ct 23x22x7.3mm Fine Koroit Australian Boulder Opal Cabochon Loose Gem
$ 78.32
$ 46.99
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Sale
Green Flash Boulder Opal: Video!
$ 148.72
$ 89.23
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Sale
Boulder Opal Cabochon 17x12mm with 4.5mm dome from Australia (12134)
$ 34.75
$ 20.85
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Sale
Australian Boulder Opal! 232.50ct side-drilled specimen! great colors/patterns!
$ 242
$ 145.19
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Sale
BOULDER OPAL 45 X 26 MM ALL NATURAL VIVID COLORS COLLECTOR'S STONE
$ 95.03
$ 57.01
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Sale
5.55 ct Elegant Fancy (22 x 8 mm) Multi Color Australian Koroit Boulder Opal
$ 146.07
$ 87.64
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Sale
Rainbow Glitter Boulder Opal: Video!!
$ 307.12
$ 184.27
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Sale
10.30 ct Dazzling Fancy (22 x 18 mm) Multi Color Australian Koroit Boulder Opal
$ 134.63
$ 80.77
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Sale
NATURAL UNIQUE 2 SIDED AUSTRALIAN KOROIT BOULDER OPAL PENDANT
$ 176
$ 105.6
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Sale
Duck Bird Swan Boulder Opal Stone Carving Cabochon Polished Gem
$ 88
$ 52.8
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Sale
Natural Australian Boulder Opal Gorgeous Color & Pattern 2.36 ct
$ 104.71
$ 62.82
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Sale
Queensland Boulder Opal 50.6 Grams Caramel Color Patch w/ Red Multicolor Stripes
$ 616
$ 369.6
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Sale
BOULDER OPAL GEM STONE*19ct*LOTS OF COLOR*LOTS OF FLASH*
$ 42.24
$ 25.34
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Sale
QUEENSLAND 298c BOULDER OPAL AUSTRALIA PREFORM ROUGH RUB PARCEL OCA13716
$ 4.39
$ 2.63
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Sale
QUEENSLAND 18.8c BOULDER OPAL GEM AUSTRALIA POLISHED CAB UNSET OCA13727
$ 0.87
$ 0.52
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Sale
KOROIT QUEENSLAND 16.3c BOULDER OPAL GEM AUSTRALIA POLISHED CAB UNSET OCA13729
$ 4.12
$ 2.47
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Sale
16.12ct 29.2x15.2mm Pear Cabochon Natural Petrified Wood Boulder Opal, Australia
$ 0.87
$ 0.52
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Sale
QUEENSLAND 310c BOULDER OPAL AUSTRALIA PREFORM ROUGH RUB PARCEL OCA13714
$ 4.39
$ 2.63
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Sale
QUEENSLAND 6c BOULDER OPAL GEM AUSTRALIA POLISHED CAB UNSET OCA13730
$ 6.6
$ 3.95
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Sale
QUEENSLAND 8.9c BOULDER OPAL GEM AUSTRALIA POLISHED CAB UNSET OCA13728
$ 9.24
$ 5.54
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Sale
QUEENSLAND 182c BOULDER OPAL AUSTRALIA PREFORM ROUGH RUB PARCEL OCA13715
$ 4.84
$ 2.9
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Sale
4.93Ct Oval cut 11 x 10 Multi-Color Matrix Natural Korotit Nut Boulder Opal
$ 6.15
$ 3.69
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Sale
10.46Ct DAZZLING ! MULTI COLOR FLASHY KOROIT BOULDER OPAL PENDENT
$ 65.99
$ 39.59
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Sale
4.55Ct Cushion cut 12 x 9 Multi-Color Matrix Natural Korotit Nut Boulder Opal
$ 10.14
$ 6.08
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Sale
Australian Koroit Boulder Opal Cabochons LOT of 2 Natural 33.8 & 20.74 Carat
$ 78.32
$ 46.99
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Sale
Lot of 2 Australian Queensland Koroit Boulder Raw Opal Rough 104 carats
$ 0.87
$ 0.52
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Sale
Very Pretty Polished Boulder Opal Cabochon in Jar- .7 Grams- Vintage Estate Find
$ 6.6
$ 3.95
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Sale
19.76ct Rectangle Cabochon Natural Petrified Wood Boulder Opal, Australia
$ 0.87
$ 0.52
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Sale
8.50Ct UNIQUE RAREST GEM ! MATRIX DESIGN AUSTRALIAN BOULDER OPAL
$ 4.39
$ 2.63
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Sale
Queensland Boulder Opal #00210
$ 176
$ 105.6
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Sale
5.34Ct 8 PCS UNIQUE RAREST GEM ! MULTI COLOR FLASHY AUSTRALIAN BOULDER OPAL
$ 9.67
$ 5.8
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Sale
32.15 Cts 100% Natural BOULDER OPAL Pear Cabochon 19x27x6 mm Loose Gemstone
$ 7.03
$ 4.21
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Sale
37.43ct Free Form Cabochon Natural Koroit Matrix Boulder Opal, Australia
$ 0.87
$ 0.52
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Sale
5.41 ct Superb Fancy (18 x 8 mm) Multi Color Australian Koroit Boulder Opal
$ 35.19
$ 21.11
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Sale
10.15 ct Fancy (17 x 15 mm) Play of Colors Australian Koroit Boulder Opal
$ 3.51
$ 2.1
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Sale
5.64 ct FABULOUS FANCY (17 X 11 MM) MULTI COLOR AUSTRALIAN KOROIT BOULDER OPAL
$ 72.15
$ 43.29
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Sale
12.7ct 25.5x15x5mm Blue Teardrop Australian Boulder Opal Cabochon Stone
$ 42.24
$ 25.34
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Sale
37.4 carat boulder opal on black cord, green fire, 28 x 18 x 11mm
$ 32.51
$ 19.5
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Sale
10.15 ct Fancy (17 x 15 mm) Play of Colors Australian Koroit Boulder Opal
$ 3.51
$ 2.1
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Sale
Large Queensland Boulder Opal with Thick Bright Green Veins Polished
$ 92.4
$ 55.44
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Sale
Natural Boulder Opal Amazing Oval Shape Cabochon Loose Gemstone 56 Cts AA-1668
$ 4.39
$ 2.63
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Sale
boulder opal, bright blue pool, 47 carats, 31 x 17 x 7 mm
$ 70.35
$ 42.21
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Sale
Bright Blue Colors Beautiful Large Koroit Boulder Opal From Australia
$ 96.8
$ 58.08
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Sale
9.3 gram boulder opal rough specimen - Australia
$ 44
$ 26.4
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Sale
Electric Color-Filled Veins * 24ct Natural Australian Solid Koroit Boulder Opal
$ 264
$ 158.4
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Sale
33.25ct FANTASTIC Natural Solid Australian YOWAH Boulder Opal Cab Stone ~ VIDEO
$ 339.24
$ 203.54
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Sale
Natural Boulder Opal Amazing Pear Shape Cabochon Loose Gemstone 85 Cts AA-1746
$ 4.39
$ 2.63
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Sale
Boulder Solid Opal 4.20 cts 100% Natural Solid Ready To Set in Jewelry B1576
$ 35.2
$ 21.12
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Sale
48.55 Ct. Natural Boulder Opal Pear Cabochon Loose Gemstone For Jewelry GK-5695
$ 3.51
$ 2.1
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Sale
220cts Rough Australian Pipe Crystal Boulder Opal parcel
$ 38.28
$ 22.96
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Sale
435cts Australian Boulder opal rough Parcel
$ 22.17
$ 13.3
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Sale
Dazzling Color-Filled Veins * 40ct Natural Australian Solid Yowah Boulder Opal
$ 558.79
$ 335.28
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Sale
1.02ct 10.5x5.2mm Oval Cab Natural Winton Area Matrix Boulder Opal, Australia
$ 0.87
$ 0.52
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Sale
Nice 2.3 ct Boulder Opal Cabochon freeform - Australia cab
$ 26.4
$ 15.83
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Sale
STUNNING! 8.7ct Dark Matrix Boulder Opal GREEN BLUE Oval Queensland!
$ 219.99
$ 131.99
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Sale
18ct Yowah Matrix Opal Bright Blue Green Oval Queensland AU
$ 131.99
$ 79.19
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Sale
13.15ct Yowah Matrix Opal Green Pinfire Freeform Queensland AU
$ 52.79
$ 31.67
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Sale
Chunky! 13.5ct Solid Boulder Opal Royal Blue Broadflash QLD Australia!
$ 52.79
$ 31.67
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Sale
7.55 ct AIG CERTIFIED OVAL CABOCHON CUT (19 X 15 MM) BOULDER OPAL STONE
$ 251.67
$ 151
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Sale
11CT. NATURAL SOLID AUSTRALIAN OPAL FROM MINE
$ 1144
$ 686.4
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Sale
9.73 ct AIG CERTIFIED FIRST-CLASS FANCY CUT (27 X 12 MM) AUSTRALIA BOULDER OPAL
$ 186.55
$ 111.93
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Sale
Boulder opal
$ 57.2
$ 34.32
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Sale
28.80 ct FABULOUS FANCY (40 X 22 MM) MULTI COLOR AUSTRALIAN KOROIT BOULDER OPAL
$ 558.79
$ 335.27
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Sale
boulder opal, 16 carats, 19 x 15 x 6 mm, bright green fire veins
$ 43.95
$ 26.37
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Sale
Boulder opal pendant, sterling silver, 30 carats, 32 mm x 18 mm, blue face
$ 43.95
$ 26.37
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Sale
21.5 carat boulder opal, 37 x 12 x 4 mm, blue veins
$ 43.95
$ 26.37
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Sale
3.05 ct Fancy Shape (15 x 9 mm) Multi Color Australian Koroit Boulder Opal
$ 49.27
$ 29.56
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Sale
3.22 ct Beautiful Fancy (11 x 9 mm) Multi Color Australian Koroit Boulder Opal
$ 94.15
$ 56.49
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Sale
face drilled boulder opal, 27.5 carats, 26 x 27 x 4 mm, green fire
$ 61.55
$ 36.93
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Sale
4.63 ct Superb Fancy (19 x 8 mm) Play of Colors Australian Koroit Boulder Opal
$ 3.51
$ 2.1
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Sale
12.64Ct DAZZLING ! METALLIC BLUE FLASHY AUSTRALIAN BOULDER OPAL PENDENT
$ 17.59
$ 10.55
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Sale
Amazing Colorshow * 21ct Natural Australian Solid Koroit Nut Boulder Opal
$ 1271.59
$ 762.95
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Sale
Boulder Opal Rough 12.95 TCW 100% Natural Australian Queensland Gemstone N3205
$ 13.2
$ 7.91
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Sale
24.83ct 27x16mm Oval Cabochon Natural Koroit Matrix Boulder Opal, Australia
$ 0.87
$ 0.52
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Sale
1.25ct 9.2x5.6mm Pear Cabochon Natural Winton Area Matrix Boulder Opal Australia
$ 0.87
$ 0.52
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4
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