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10.65ct 18x12mm Oval Cabochon Natural Koroit Nut Matrix Boulder Opal, Australia

$ 0.87 $ 0.52

Australian Boulder Wood Replacement Pipe Opal 17.24ct Natural Fossil Stone

$ 223.32 $ 133.99

2.10ct 12x9.8mm Oval Cabochon Natural Winton Area Matrix Boulder Opal, Australia

$ 0.87 $ 0.52

4.12ct 14.8x8.8mm Oval Cab Natural Winton Area Matrix Boulder Opal Australia

$ 0.87 $ 0.52

15.32ct Free Form Cabochon Natural Winton Area Matrix Boulder Opal, Australia

$ 59.4 $ 35.64

16.19ct 18x15mm Oval Cabochon Natural Koroit Nut Matrix Boulder Opal, Australia

$ 0.87 $ 0.52

3.80ct 12.6x9.2mm Pear Cab Natural Winton Area Matrix Boulder Opal, Australia

$ 0.87 $ 0.52

3.95ct 16x8.5mm Oval Cab Natural Opalized Wood Fossil Boulder Opal, Australia

$ 0.87 $ 0.52

20.53ct Free Form Cabochon Natural Winton Area Matrix Boulder Opal, Australia

$ 59.4 $ 35.64

0.52ct 6.2x5.6mm Free Form Cabochon Natural Winton Area Matrix Boulder Opal

$ 0.87 $ 0.52

16.14ct 21.7x16.5mm Triangle Cab Natural Wood Replacement Pipe Boulder Opal

$ 0.87 $ 0.52

Australian Boulder Opal 51.09ct Drilled Queensland Natural Pendant Stone

$ 41.54 $ 24.92

15.09ct 25.2x12mm Oval Cabochon Natural Koroit Nut Matrix Boulder Opal Australia

$ 0.87 $ 0.52

3.42ct 11.7x8.8mm Oval Cab Natural Winton Area Matrix Boulder Opal, Australia

$ 0.87 $ 0.52

3.88ct 12x10.3mm Oval Cab Natural Winton Area Matrix Boulder Opal Australia

$ 0.87 $ 0.52

5.26ct 12.8x12mm Triangle Cabochon Natural Winton Area Matrix Boulder Opal

$ 0.87 $ 0.52

Miscellaneous Polished Stones: Opal, Fire Agate, Turquoise, Boulder Opal

$ 39.6 $ 23.76

9.42ct 19x13.9mm Triangle Cab Natural Wood Replacement Pipe Boulder Opal

$ 0.87 $ 0.52

4.18ct 13.8x9.2mm Pear Cab Natural Winton Area Matrix Boulder Opal, Australia

$ 0.87 $ 0.52

13.89ct Free Form Cabochon Natural Winton Area Matrix Boulder Opal, Australia

$ 66 $ 39.6

Double-Sided 15ct Natural Australian Solid Koroit Boulder Opal * See Video Clips

$ 389.4 $ 233.64

3.10ct 11x9mm Oval Cabochon Natural Winton Area Matrix Boulder Opal, Australia

$ 0.87 $ 0.52

Australian Boulder Opal 86.54ct Drilled Pendant

$ 159.79 $ 95.87

Blue Colors, Yowah Boulder Opal 15.89 cts S8814

$ 21.99 $ 13.19

5.20ct 16.5x8.8mm Pear Cab Natural Winton Area Matrix Boulder Opal, Australia

$ 16.28 $ 9.76

Australian Boulder Opal 47.20ct Queensland Natural Stone

$ 508.81 $ 305.28

14.56ct 23.7x12.3mm Pear Cab Natural Koroit Nut Matrix Boulder Opal, Australia

$ 0.87 $ 0.52

Boulder Opal Cabochon 10x15.5mm with 6.5mm dome from Australia (13131)

$ 17.59 $ 10.55

0.58ct 7.5x3.7mm Oval Cabochon Natural Winton Area Matrix Boulder Opal Australia

$ 0.87 $ 0.52

8ct Australian Boulder Opal Opalized WOOD Fossil STRONG Color Play ~ See VIDEO

$ 66.44 $ 39.86

Boulder Opal Cabochon 16x12mm with 4mm dome from Australia (16187)

$ 21.55 $ 12.93

Vibrant Gem Colors * 24ct Natural Australian Solid Matrix Boulder Opal * Video

$ 155.1 $ 93.05

Boulder Opal Cabochon over 9cts 16x12mm with 5.5mm dome from Australia (9504)

$ 37.39 $ 22.43

BOULDER OPAL FREEFORM ROUGH & FINISHED BOULDER OPAL ARTISAN MADE NECKLACE

$ 167.19 $ 100.31

1.64Ct RAREST MULTI-COLOR MATRIX PRECIOUS NATURAL BOULDER OPAL !!

$ 3.51 $ 2.1

Nice 6.84 carat Boulder Opal Cabochon freeform - Australia

$ 39.6 $ 23.76

Flashes of Colors * 9ct Natural Australian Solid Yowah Boulder Opal * See Video

$ 102.3 $ 61.38

Australian Boulder Opal 52.52ct Drilled Queensland Natural Pendant Stone

$ 41.52 $ 24.91

14.10Cts 100% Natural BOULDER OPAL Fancy Cabochon 20x16x5 mm Loose Gemstone

$ 5.27 $ 3.16

Great 7.04 gram Koroit boulder opal rough - Australia

$ 44 $ 26.4

Australian Boulder Opal 5.66ct Queensland Natural Stone

$ 86.44 $ 51.86

139 gram boulder opal rough chunk - Australia

$ 52.8 $ 31.67

Queensland Boulder Opal 8.54ct Loose Australian Natural Stone

$ 124.63 $ 74.78

Australian ROUGH/ RUB OPAL 9ct WINTON BOULDER HIGH GRADE SUPER BRIGHT BAR NR

$ 127.6 $ 76.55

0.57ct Oval Cabochon Natural Winton Area Matrix Boulder Opal, Australia

$ 46.2 $ 27.72

8.27 gram Koroit boulder opal rough - Australia

$ 44 $ 26.4

Boulder Opal Cabochon 16.5x15mm with 4.5mm dome From Australia (12564)

$ 17.59 $ 10.55

Natural Australian Boulder Opal Gorgeous Color & Pattern 4.32 Carat Unmounted

$ 79.19 $ 47.51

52.70Cts. 100% Natural Australian Boulder Opal Fancy Cabochon Top Loose Gemstone

$ 12.31 $ 7.38

Vintage Purple Drilled Boulder Opal Pendant 23 Carats #257

$ 24.64 $ 14.78

Australian Boulder Wood Replacement Pipe Opal 20.34ct Natural Fossil Stone

$ 226.56 $ 135.93

5.48ct 13.3x8.3mm Oval Cab Natural Winton Area Matrix Boulder Opal, Australia

$ 0.87 $ 0.52

4.62ct 13.2x10mm Oval Cab Natural Winton Area Matrix Boulder Opal Australia

$ 0.87 $ 0.52

Boulder Opal Cabochon 13.5x10mm with 4mm dome from Australia (15270)

$ 19.79 $ 11.87

9.36ct 18.2x13.2mm Triangle Cab Natural Wood Replacement Pipe Boulder Opal

$ 0.87 $ 0.52

Big Green & Violet 94ct Natural Australian Solid Koroit Boulder Opal * See Video

$ 191.4 $ 114.84

YOWAH NUT*BOULDER OPAL IRONSTONE GEM*TONS COLOR&FLASH*58.20ct*

$ 147.84 $ 88.7

100% Natural Boulder Opal Oval Cabochon Loose Gemstones 29.15Cts

$ 13.19 $ 7.91

Flashy Colors * 10ct Natural Australian Solid Matrix Boulder Opal * See Video

$ 122.1 $ 73.25

Australian Boulder Opal 10.70ct Queensland Natural Stone

$ 124.42 $ 74.65

Australian Boulder Opal 8.54ct Drilled Pendant Queensland Natural Stone

$ 108.65 $ 65.19

Color-Filled Veins * 48ct Natural Australian Solid Koroit Boulder Opal * Video

$ 237.6 $ 142.56

12.5 carat undrilled boulder opal, touch of blue fire, 16 x 14 x 4mm, ring stone

$ 14.47 $ 8.68

Boulder Opal Cabochon 12x12mm with 6mm dome from Australia (15269)

$ 19.79 $ 11.87

3.07 gram Koroit boulder opal rough - Australia

$ 44 $ 26.4

QUEENSLAND BOULDER OPAL 118.4c KOROIT GEMSTONE POLISHED CABOCHON UNSET OCA13370

$ 166.32 $ 99.79

Australian Boulder Opal 1.17ct Queensland Natural Stone

$ 54.66 $ 32.79

QUEENSLAND BOULDER OPAL 19c GEMSTONE POLISHED CABOCHON UNSET OCA13508

$ 254.32 $ 152.59

Queensland Boulder Opal 88.69ct Australian Natural Specimen / Stone

$ 215.64 $ 129.38

Australian Boulder Opal Gemstone 11x9 to 15x11mm Size Pear Beads Bracelet 6.5"

$ 136.4 $ 81.84

5.79 ct AIG CERTIFIED OVAL CABOCHON (16 X 12 MM) PLAY OF COLORS BOULDER OPAL

$ 126.71 $ 76.02

Lovely 25ct Natural Australian Solid Matrix Boulder Opal * See Video Clip

$ 102.3 $ 61.38

Dazzling Colorshow * Big 20ct Australian Solid Fairy Boulder Opal * See Video

$ 633.6 $ 380.16

Australian Boulder Opal 48.38ct Drilled Pendant

$ 28.81 $ 17.28

Australian Boulder Crystal Pipe Opal 10.80ct Queensland Natural Stone

$ 79.62 $ 47.77

20.44 Ct MATRIX DESIGN PICTURE KOROIT BOULDER OPAL

$ 17.83 $ 10.7

Australian Boulder Opal 28.64ct Natural Stone

$ 467.27 $ 280.36

BOULDER OPAL 1"TAL X 3/4" ACROSS 5/8" THICK MULTIPLE PHOTOS WITH MULTI LIGHTING

$ 43.12 $ 25.87

3.58ct 12.2x9mm Oval Cab Natural Winton Area Matrix Boulder Opal Australia

$ 0.87 $ 0.52

Queensland Boulder Opal 17.80ct Australian Natural Stone

$ 95.86 $ 57.52

7.00ct Triangle Cabochon Natural Koroit Nut Matrix Boulder Opal, Australia

$ 0.87 $ 0.52

Queensland Boulder Opal 4.41 ct Sterling Silver Pendant w/Bonus Earrings & Pin

$ 1056 $ 633.6

Australian Boulder Opal Pair 23.54ct Queensland Polished Split Pair Stone

$ 542.37 $ 325.42

Australian Boulder Opal 12.68ct Queensland Natural Stone

$ 177.17 $ 106.3

Queensland Boulder Opal 13.50ct Australian Natural Stone

$ 223.6 $ 134.16

Nice 13 gram boulder opal rough specimen - Australia cabbing rough

$ 35.2 $ 21.12

Flashy Gem Colors * 70ct Natural Australian Solid Yowah Boulder Opal * Video

$ 122.1 $ 73.25

Big & Beautiful * 67ct Natural Australian Solid Yowah Boulder Opal * See Video

$ 174.9 $ 104.94

Queensland Boulder Opal 27.26ct Australian Natural Stone

$ 517.93 $ 310.75

Incredible Colorshow * 65ct Natural Australian Solid Boulder Opal * See Video

$ 4765.2 $ 2859.12

Flashy Gem Colors * 28ct Natural Australian Solid Koroit Boulder Opal * Video

$ 102.3 $ 61.38

Bright Red & Green 15ct Natural Australian Solid Matrix Boulder Opal * See Video

$ 181.5 $ 108.9

Australian Boulder Opal 4.32ct Natural Stone

$ 64 $ 38.4

Great 35.9 gram Koroit boulder opal rough slab - Australia

$ 88 $ 52.8

Rich Gem Colors * 6ct Natural Australian Solid Yowah Boulder Opal * See Video

$ 122.1 $ 73.25

Beautiful 2 Sided Yowah Picture Stone, Boulder Opal 46.05cts R7105

$ 43.99 $ 26.39

Australian Boulder Opal 31.84ct Queensland Natural Stone

$ 1388.92 $ 833.35

Color-Filled Veins * 17ct Natural Australian Solid Koroit Boulder Opal * Video

$ 158.4 $ 95.04

Natural Australian Boulder Opal Fire 4mm-6mm Rondelle Faceted Beads | 16" Strand

$ 42.17 $ 25.3

3.23Ct RAREST MULTI-COLOR MATRIX PRECIOUS NATURAL BOULDER OPAL !!

$ 5.27 $ 3.16