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Gorgeous MULTICOLOR 4ct Solid Boulder Opal Queensland AU

$ 527.99 $ 316.79

Gigantic Rainbow Boulder Opal: See The VIDEO!

$ 439.12 $ 263.47

Bright & Flashy * 61ct Natural Australian Solid Matrix Boulder Opal * See Video

$ 215.6 $ 129.35

Huge Rainbow Boulder Opal from QLD: Watch The Video!

$ 439.12 $ 263.47

Hand crafted Australian Boulder Opal Bolo Tie in Sterling Silver setting

$ 242.87 $ 145.72

Australia Natural BOULDER OPAL Rough Rub 6.00cts

$ 10.56 $ 6.33

Amazing Color-Filled Veins * 32ct Australian Solid Black Matrix Boulder Opal

$ 906.4 $ 543.83

Awesome! 11ct Solid Boulder Opal RED MULTICOLOR Freeform Queensland!

$ 615.99 $ 369.59

BOULDER OPAL 5.12ct DAZZLING OPAL Cabochon BLUE, GREEN to ORANGE - SEE VIDEO

$ 176 $ 105.6

Green & Violet * 82ct Natural Australian Solid Koroit Nut Boulder Opal Pendant

$ 259.6 $ 155.76

Unique! 6.16ct Pipe Boulder Opal Green Blue Freeform Teardrop Queensland AU

$ 131.99 $ 79.19

0.63ct Free Form Cabochon Natural Winton Area Matrix Boulder Opal, Australia

$ 0.87 $ 0.52

Huge Vibrant Yowah Boulder Opal With Bright Colorful Veins Sparkles

$ 176 $ 105.6

43.70Cts,Natural Flashing Australian Boulder Opal Round Cab Size 26X7MM Gemstone

$ 24.63 $ 14.77

9.58 ct AIG CERTIFIED OVAL CABOCHON (19 X 16 MM) PLAY OF COLORS BOULDER OPAL

$ 227.03 $ 136.21

Large Queensland Boulder Opal with Thick Bright Green Veins Polished

$ 92.4 $ 55.44

Huge Polished Boulder Pipe Opal With Bright Colors

$ 123.2 $ 73.92

24 gram boulder opal rough - Australia specimen

$ 66 $ 39.6

Boulder Opal Parcel / Lot

$ 140.8 $ 84.48

A Psychedelic Boulder Opal

$ 307.12 $ 184.27

Superb Boulder Opal: Video!

$ 439.12 $ 263.47

Rough Boulder Opal 38.80 ct 100% Australian Natural Rough Opal From QLD N2728

$ 44 $ 26.4

2.38ct Oval Cabochon Natural Winton Area Matrix Boulder Opal, Australia

$ 0.87 $ 0.52

15.80ct Triangle Cabochon Natural Winton Area Matrix Boulder Opal, Australia

$ 59.4 $ 35.64

Gem Color-Filled Veins * 44ct Natural Australian Solid Yowah Boulder Opal

$ 466.4 $ 279.83

Color-Filled Veins * 6ct Natural Australian Solid Koroit Boulder Opal * Video

$ 277.2 $ 166.32

Unique Natural Australian Queensland Boulder Opal Specimen 1620ct (z1407)

$ 828.43 $ 497.05

MULTICOLOR 3.5ct Solid Boulder Opal Freeform Queensland!

$ 263.99 $ 158.39

NATURAL BOULDER OPAL SPECIMEN AUSTRALIA 920 CARATS

$ 14.52 $ 8.71

Lot of 2 Australian Queensland Koroit Boulder Raw Opal Rough 104 carats

$ 0.87 $ 0.52

Boulder Opal - 5/8" x 3/8" - Blue Green

$ 4.31 $ 2.58

QUEENSLAND 26c BOULDER OPAL GEM AUSTRALIA POLISHED CAB UNSET OCA13689

$ 7.48 $ 4.48

QUEENSLAND 14.1c BOULDER OPAL GEM AUSTRALIA POLISHED CAB UNSET OCA13690

$ 5.01 $ 3

Boulder Opal Cabochon 16x12mm with 5mm Dome from Australia (14517)

$ 20.23 $ 12.13

Boulder Solid Opal 3.25 cts 100% Natural Solid Ready To Set in Jewelry B1541

$ 26.4 $ 15.83

5.01Ct RAREST MULTI-COLOR MATRIX PRECIOUS NATURAL BOULDER OPAL !!

$ 10.14 $ 6.08

2 Boulder Opal Specimens - Oval and Rectangle - Blue Green Red

$ 4.31 $ 2.58

QUEENSLAND 219c BOULDER OPAL AUSTRALIA PREFORM ROUGH RUB PARCEL OCA13675

$ 28.16 $ 16.89

Boulder Opal - 5/8" x 3/8" - Blue Green Red

$ 4.31 $ 2.58

Bright Gem Colors * 5ct Natural Australian Solid Matrix Boulder Opal * See Video

$ 34.89 $ 20.93

24.5 CT Queensland Boulder Opal Rub Rough For Lapidary or Specimen 69-11

$ 22 $ 13.2

QUEENSLAND 21.2c BOULDER OPAL GEM AUSTRALIA POLISHED CAB UNSET OCA13687

$ 8.36 $ 5.01

23ct Polished Australian Boulder Opal ~ FREE SHIPPING!!

$ 43.12 $ 25.87

1.52 ct Remarkable Fancy (28 x 3 mm) Multi Color Australian Koroit Boulder Opal

$ 5.27 $ 3.16

YOWAH NUT*BOULDER OPAL*GEM*21.30ct*IRONSTONE/W WHITE OPAL*VERY BEAUTIFUL NUT*

$ 59.84 $ 35.9

Natural Australian Boulder Opal Gorgeous Color & Pattern 6.39 Carat Unmounted

$ 52.79 $ 31.67

9ct 20.7x12x4.5mm Stunning Teal Green Australian Boulder Opal Cabochon Stone

$ 70.4 $ 42.24

Gorgeous 14K Yellow Gold Opal and Diamond 3D Rose Design Ring

$ 616 $ 369.6

15.9ct Yowah Boulder Opal Blue Green Sparkles Oval from QLD

$ 26.39 $ 15.83

BOULDER OPAL GEM STONE*26ct*TONS OF ELECTRIC FLASH & COLORS* PATTERNS*

$ 57.2 $ 34.32

7.2ct 12.8x12.3x3.9mm Blue Natural Boulder Australian Opal Cabochon Free Form

$ 35.2 $ 21.12

Gemmy! 5ct Solid Back Boulder Opal RED MULTICOLOR Long Oval Queensland

$ 246.39 $ 147.83

Crystal Opal from Lightning Ridge. 9.52 Carats Beautiful Multicolor Pattern

$ 792 $ 475.2

Cushion! 15ct Yowah Matrix Opal Unique Pattern Square Queensland AUstralia

$ 52.79 $ 31.67

SOLID KOROIT BOULDER OPAL 3.5CT~GREEN FLASH~ QUEENSLAND, AUSTRALIA

$ 17.55 $ 10.53

BOULDER OPAL CAMEO RARE CARVED GEM VINTAGE NATIVE AMERICAN CHIEF 69 CARATS

$ 1848 $ 1108.8

BOULDER OPAL GEM STONE*152.35*LOTS OF COLOR BEAUTIFUL PATTERNS*

$ 130.24 $ 78.14

22ct Yowah Matrix Boulder Opal Freeform Queensland AU

$ 52.79 $ 31.67

Lisa Jewelers. Platinum Floral Harlequin Boulder Opal and Diamond Ring. Stunning

$ 42240 $ 25344

Freeform! 8.9ct Solid Boulder Opal Shades of Blue from Queensland Australia

$ 79.19 $ 47.51

Natural Australian Boulder Opal Gorgeous Color & Pattern 6.21 ct

$ 79.19 $ 47.51

BOULDER OPAL GEM STONE*66ct*LOTS OF CHARACTER*LOTS OF FLASH*

$ 75.68 $ 45.4

4.88ct 13x8.6mm Oval Cabochon Natural Winton Area Matrix Boulder Opal, Australia

$ 0.87 $ 0.52

Veins of Color * 13ct Natural Australian Solid Matrix Boulder Opal * See Video

$ 0.88 $ 0.52

5ct Solid Boulder Opal Blue & Green Freeform Queensland Australia

$ 21.99 $ 13.19

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

$ 5.27 $ 3.16

0.84ct 8x5.4mm Oval Cabochon Natural Winton Area Matrix Boulder Opal, Australia

$ 1.54 $ 0.92

Andy's Gem Garage Sale - #6 Austrailian Boulder Opal 2 pieces - 2.35cts FIRE!!!

$ 28.16 $ 16.89

QUEENSLAND 17.2c BOULDER OPAL GEM AUSTRALIA POLISHED CAB UNSET OCA13688

$ 6.86 $ 4.11

5.50Ct UNIQUE RARE GEM ! CRYSTAL CORES FLASHY AUSTRALIAN BOULDER OPAL

$ 4.39 $ 2.63

0.46ct 5.3x4.7mm Oval Cabochon Natural Winton Area Matrix Boulder Opal Australia

$ 6.6 $ 3.95

0.82ct 8.3x5.6mm Oval Cabochon Natural Winton Area Matrix Boulder Opal Australia

$ 0.87 $ 0.52

QUEENSLAND 415c BOULDER OPAL AUSTRALIA PREFORM ROUGH RUB PARCEL OCA13674

$ 21.2 $ 12.72

1.55ct Free Form Cabochon Natural Winton Area Matrix Boulder Opal, Australia

$ 19.8 $ 11.88

2.83ct Oval Cabochon Natural Winton Area Matrix Boulder Opal, Australia

$ 19.8 $ 11.88

BOULDER CRYSTAL OPAL GEM STONE*GORGEOUS*26ct*TONS OF COLOR/FLASH*

$ 140.8 $ 84.48

Very Colorful Boulder Opal Polished Blue And Green From Australia

$ 35.2 $ 21.12

Beautiful Reds * 6ct Natural Australian Solid Matrix Boulder Opal * See Video

$ 0.88 $ 0.52

QUEENSLAND 343c BOULDER OPAL AUSTRALIA PREFORM ROUGH RUB PARCEL OCA13676

$ 18.92 $ 11.35

15.35 Cts 100% Natural BOULDER OPAL PEAR Cabochon 12X22X6 mm Loose Gemstone

$ 6.15 $ 3.69

16.60 Cts 100% Natural BOULDER OPAL PEAR Cabochon 14X22X7 mm Loose Gemstone

$ 6.15 $ 3.69

35.85 Cts 100% Natural BOULDER OPAL Pear Cabochon 16x24x7 mm Loose Gemstone

$ 6.15 $ 3.69

Natural Gem Australian Boulder Fire Opal 5 to 6mm Size Round Beads Necklace 16"

$ 90.64 $ 54.38

2.3 ct Boulder Opal Cabochon freeform - Australia

$ 35.2 $ 21.12

100% Natural Koroit Boulder Opal 25.25 Cts PEAR Cabochon 22X23X6 mm Gemstone

$ 7.91 $ 4.74

Natural Boulder Opal Loose Gemstone Cabochon From Australia 8.85 Cts OG626

$ 12.7 $ 7.62

1.02ct 9.8x4.5mm Oval Cabochon Natural Winton Matrix Boulder Opal, Australia

$ 0.87 $ 0.52

20.37Ct RAREST MULTI-COLOR MATRIX PRECIOUS NATURAL KOROIT NUT BOULDER OPAL !

$ 20.31 $ 12.18

Andy's Gem Garage Sale - Austrailian Black Opal -INCREDIBLE Purple Fire! 3ct

$ 61.59 $ 36.95

3.72ct Free Form Cabochon Natural Winton Area Matrix Boulder Opal, Australia

$ 46.2 $ 27.72

11.02Ct RAREST MULTI-COLOR MATRIX PRECIOUS NATURAL KOROIT NUT BOULDER OPAL !

$ 13.05 $ 7.83

Polished side drilled Boulder Opal from Queensland; bright green crystal.

$ 48.4 $ 29.04

1.03ct Free Form Cabochon Natural Winton Area Matrix Boulder Opal, Australia

$ 0.87 $ 0.52

18.52Ct SUPERB COLLECTION ! VIOLET BLUE FLASHY MATRIX DESIGN KOROIT BOULDER OPAL

$ 17.59 $ 10.55

WOOD FOSSIL! 12ct Boulder Opal Red Multicolor Pear Queensland AU

$ 175.99 $ 105.59

6.3 ct Boulder Opal Cabochon freeform - half drilled - Australia

$ 35.2 $ 21.12

HUGE KOROIT QUEENSLAND BOULDER OPAL 150.5c GEMSTONE POLISHED CAB UNSET OCA13628

$ 1191.52 $ 714.91

1.23ct Free Form Cabochon Natural Winton Area Matrix Boulder Opal, Australia

$ 0.87 $ 0.52

NEON GREEN! 4.3ct Solid Boulder Opal Blue Green Rectangle Cushion Queensland!

$ 105.59 $ 63.35

23.5 CT Queensland Boulder Opal Rub Rough For Lapidary or Specimen 69-8

$ 13.2 $ 7.91