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Australian Boulder Opal 22.95ct Queensland Natural Stone

$ 803.88 $ 482.32

100% Natural Boulder Opal Pear Cabochon 93.15 Cts 33x49x6 mm Australian Gemstone

$ 17.59 $ 10.55

Dazzling Gem Colors * 42ct Natural Australian Solid Koroit Boulder Opal * Video

$ 349.8 $ 209.88

Multi-Colored 21ct Natural Australian Solid Koroit Boulder Opal * See Video

$ 145.19 $ 87.11

Dark Body Gem Colors * 17ct Natural Australian Solid Koroit Boulder Opal * Video

$ 211.2 $ 126.71

Natural Gem Australian Boulder Fire Opal 5 to 8mm Round Beads Necklace 18"

$ 131.12 $ 78.67

Electric Greens * 18ct Natural Australian Solid Koroit Boulder Opal * See Video

$ 158.4 $ 95.04

Color-Filled Veins * 43ct Natural Australian Solid Yowah Boulder Opal * Video

$ 92.4 $ 55.44

Large 184.6 gram Koroit Boulder Opal, Queensland, Australia - 7.4 cm across

$ 395.99 $ 237.59

Australian Boulder Opal. 105g

$ 19.36 $ 11.61

Streaks of Color * 70ct Natural Australian Solid Koroit Boulder Opal * See Video

$ 138.6 $ 83.16

10.18Ct RAREST MULTI-COLOR MATRIX PRECIOUS NATURAL KOROIT NUT BOULDER OPAL !

$ 7.03 $ 4.21

Australian Boulder Crystal Pipe Opal 10.50ct Queensland Natural Stone

$ 182.2 $ 109.32

Natural Koroit Boulder Opal Gemstone 89.45 Cts Loose Cabochon Australia WG480

$ 24.63 $ 14.77

Queensland Boulder Opal 8.98ct Australian Natural Stone

$ 54.34 $ 32.6

Bright Streaks of Color * Big 79ct Natural Australian Solid Koroit Boulder Opal

$ 293.7 $ 176.22

BOULDER OPAL 273g DISPLAY SPECIMEN QUEENSLAND ROUGH GEM SOUVENIR OCA12902

$ 131.12 $ 78.67

151ct! Gem Koroit Nut Opal Pendant - Kristallkern! Video Flashfire-Opals

$ 1142.33 $ 685.4

Boulder Opal Freeform Cabochon VIDEO Ironstone Queensland Australia 28ct Red P35

$ 128.91 $ 77.35

1.07ct Free Form Cabochon Natural Winton Area Matrix Boulder Opal, Australia

$ 46.2 $ 27.72

Color-Filled Veins * 94ct Natural Australian Solid Yowah Boulder Opal * Video

$ 313.5 $ 188.1

Queensland Boulder Opal 17.05ct Australian Natural Stone

$ 643.1 $ 385.86

Blue and Green Flashes, Yowah Piece, Boulder Opal 41.55cts R7106

$ 30.79 $ 18.47

Pair Australian Boulder Opal 23.57ct Queensland Natural Stone

$ 160.77 $ 96.46

Queensland Boulder Opal 35.39ct Australian Natural Stone

$ 2075.21 $ 1245.12

Electric Color-Filled Veins * 38ct Natural Australian Solid Koroit Boulder Opal

$ 260.7 $ 156.41

Australian Boulder Opal 31.20ct Queensland Natural Stone

$ 1256.79 $ 754.07

Queensland Boulder Opal 24.57ct Loose Australian Natural Stone

$ 1118.49 $ 671.09

14.59 Ct MATRIX PATTERN NATURAL ART KOROIT BOULDER OPAL

$ 6.44 $ 3.86

Wonderful 49ct Natural Australian Solid Koroit Boulder Opal * See Video Clip

$ 132 $ 79.2

Queensland Boulder Opal 24.79ct Australian Natural Stone

$ 482.32 $ 289.39

Australian Boulder Opal 22.55ct Queensland Natural Stone

$ 74.43 $ 44.66

Queensland Boulder Opal 12.90ct Australian Natural Stone

$ 514.97 $ 308.98

Australian Boulder Matrix Opal 7.79ct Queensland Natural Stone

$ 54.23 $ 32.54

Australian Boulder Matrix Opal 3.01ct Queensland Natural Stone

$ 60.82 $ 36.49

Australian Boulder Opal 2.86ct Queensland Natural Stone

$ 41.61 $ 24.96

Australian Boulder Opal Pair 58.65ct Queensland Natural Stone

$ 2250.86 $ 1350.51

Color-Filled Veins * 40ct Natural Australian Solid Yowah Boulder Opal * Video

$ 99 $ 59.4

Australian Boulder Crystal Pipe Opal 17.88ct Queensland Natural Stone

$ 95.83 $ 57.49

Bright Green & Violet 21ct Natural Australian Solid Matrix Boulder Opal * Video

$ 115.5 $ 69.3

4.12 ct FANCY CABOCHON (12 X 11 MM) MULTI COLOR AUSTRALIAN KOROIT BOULDER OPAL

$ 48.56 $ 29.14

BOULDER OPAL 805g DISPLAY SPECIMEN QUEENSLAND ROUGH GEM SOUVENIR OCA12923

$ 148.72 $ 89.23

65 gram boulder opal rough - Australia specimen

$ 52.8 $ 31.67

Double-Sided 37ct Natural Australian Solid Yowah Boulder Opal * See Videos

$ 155.1 $ 93.05

16.84 Ct MATRIX DESIGN PICTURE KOROIT BOULDER OPAL

$ 12.24 $ 7.34

Australian Boulder Opal 30ct Drilled Queensland Natural Pendant Stone

$ 41.8 $ 25.08

Natural Australian BOULDER OPAL Oval Cabochon 31.30 Cts 16x33x5 mm Gemstone

$ 13.19 $ 7.91

3.03ct 11.3x8.4mm Oval Cab Natural Winton Area Matrix Boulder Opal Australia

$ 0.87 $ 0.52

Australian Boulder Crystal Pipe Opal 10.70ct Queensland Natural Stone

$ 143.84 $ 86.3

Queensland Boulder Opal 38.72ct Australian Natural Stone

$ 524.82 $ 314.89

Electric Greens * 26ct Natural Australian Solid Yowah Boulder Opal * See Video

$ 141.9 $ 85.14

Australian Boulder Opal Faceted 7mm Round Beads, (package of 8 beads)

$ 20.81 $ 12.48

Electric Gem Colors * 34ct Natural Australian Solid Koroit Boulder Opal * Video

$ 590.7 $ 354.42

12.97Ct RAREST MULTI-COLOR MATRIX PRECIOUS NATURAL YOWAH NUT BOULDER OPAL !!

$ 10.14 $ 6.08

15.32ct Free Form Cabochon Natural Koroit Nut Matrix Boulder Opal, Australia

$ 0.87 $ 0.52

Dark Body Gem Colors * 16ct Natural Australian Solid Koroit Boulder Opal * Video

$ 310.2 $ 186.11

15.6ct Australian Boulder Opalized WOOD/PIPE Opal Fossil Wonderful Crystal Color

$ 77.7 $ 46.62

Australian Boulder Opal 5.15 Carats 18.6×10.9mm 100% Solid

$ 277.2 $ 166.32

BOULDER OPAL GEMSTONE*LOTS/BLUE GREEN COLORS & FLASH*IRONSTONE*54.65ct*

$ 118.8 $ 71.28

Australian Boulder Opal 76.49ct Drilled Queensland Natural Pendant Stone

$ 51.16 $ 30.69

Queensland Boulder Opal 16.96ct Australian Natural Stone

$ 479.35 $ 287.61

Australian Boulder Opal 21.24ct Queensland Natural Stone

$ 483.38 $ 290.03

Vintage Natural Gem Australian Boulder Opal Round Beads Necklace & Earring Set

$ 69.52 $ 41.71

Boulder Solid Opal 12.70 cts 100% Natural Solid Ready To Set in Jewelry B1617

$ 17.6 $ 10.56

42.84ct Free Form Cabochon Natural Winton Area Matrix Boulder Opal, Australia

$ 59.4 $ 35.64

19.52ct Free Form Cabochon Natural Winton Area Matrix Boulder Opal, Australia

$ 59.4 $ 35.64

26.8 ct Colorful Koroit Boulder Opal - Freeform Hippo Opal from Australia

$ 87.99 $ 52.79

Electric Color-Filled Veins * 21ct Natural Australian Solid Koroit Boulder Opal

$ 419.1 $ 251.46

11.12 Ct METALLIC BLUE FLASHY KOROIT BOULDER OPAL PENDENT

$ 43.99 $ 26.39

Natural Australian BOULDER OPAL Cushion Cabochon 40.90 Cts 24x28x6 mm Gemstone

$ 7.03 $ 4.21

Yowah Picture Stone, Boulder Opal 21.4 cts S9009

$ 30.79 $ 18.47

Bright Greens * 12ct Natural Australian Solid Matrix Boulder Opal * See Video

$ 102.3 $ 61.38

Australian Boulder Opal 35.80ct Natural Stone

$ 193.35 $ 116.01

Queensland Boulder Opal 2.91ct Australian Natural Stone

$ 160.77 $ 96.46

Natural Australian BOULDER OPAL Cushion Cabochon 43.25 Cts 25x27x4 mm Gemstone

$ 8.79 $ 5.27

Color-Filled Veins * 12ct Natural Australian Solid Yowah Boulder Opal * Video

$ 122.1 $ 73.25

84.90 CT 100% Natural BOULDER OPAL Pear Cabochon 37X40X6 mm Loose Gemstone

$ 30.79 $ 18.47

34.00 CT 100% Natural BOULDER OPAL Pear Cabochon 23X29X5 mm Loose Gemstone

$ 13.19 $ 7.91

25.10 Cts 100% Natural BOULDER OPAL Oval Cabochon 15X32X6 mm Loose Gemstone

$ 8.79 $ 5.27

29.40 Cts 100% Natural BOULDER OPAL PEAR Cabochon 17X34X6 mm Loose Gemstone

$ 14.95 $ 8.97

24.80 Cts 100% Natural BOULDER OPAL PEAR Cabochon 18X26X5 mm Loose Gemstone

$ 9.67 $ 5.8

54.60 Cts 100% Natural BOULDER OPAL Cushion Cabochon 21X35X6 mm Loose Gemstone

$ 12.31 $ 7.38

66.70 CT 100% Natural BOULDER OPAL Pear Cabochon 25X46X6 mm Loose Gemstone

$ 19.7 $ 11.82

Natural Australian BOULDER OPAL Oval Cabochon 70.55 Cts 27x43x6 mm Gemstone

$ 25.51 $ 15.3

Natural Australian BOULDER OPAL Cushion Cabochon 58.15 Cts 23x38x5 mm Gemstone

$ 13.19 $ 7.91

30.15 Cts 100% Natural BOULDER OPAL Cushion Cabochon 18X21X6 mm Loose Gemstone

$ 8.79 $ 5.27

42.00 CT 100% Natural BOULDER OPAL Pear Cabochon 23X30X6 mm Loose Gemstone

$ 15.83 $ 9.49

65.40 CT 100% Natural BOULDER OPAL Pear Cabochon 31X43X5 mm Loose Gemstone

$ 26.25 $ 15.75

Natural Australian BOULDER OPAL Oval Cabochon 58.30 Cts 23x41x6 mm Gemstone

$ 15.83 $ 9.49

53.85 CT 100% Natural BOULDER OPAL Pear Cabochon 24X44X6 mm Loose Gemstone

$ 14.95 $ 8.97

80.60 CT 100% Natural BOULDER OPAL Pear Cabochon 32X44X7 mm Loose Gemstone

$ 43.99 $ 26.39

Natural Australian BOULDER OPAL Fancy Cabochon 33.00 Cts 18x33x6 mm Gemstone

$ 12.31 $ 7.38

Natural Australian BOULDER OPAL Pear Cabochon 59.20 Cts 26x34x7 mm Gemstone

$ 12.31 $ 7.38

40.00 CT 100% Natural BOULDER OPAL Pear Cabochon 26X32X5 mm Loose Gemstone

$ 25.51 $ 15.3

Electric Gem Colors * 11ct Natural Australian Solid Matrix Boulder Opal * Video

$ 155.1 $ 93.05

Australian Boulder Opal 3.39ct Queensland Natural Stone

$ 79.86 $ 47.91

Boulder Opal Cabochon 25x49mm with 9mm Dome from Australia (8521)

$ 21.99 $ 13.19

AAA+ Quality 100% Natural Boulder Opal Pear Cabochon Gemstone 31.8 Ct 32X18X7 mm

$ 7.03 $ 4.21

Queensland Boulder Opal #00100

$ 10.56 $ 6.33

Brilliant Boulder Opal with honeycomb pattern from Australia - 132 grams

$ 197.99 $ 118.79