4.45ct Koroit Boulder Opal | #E20

Name: Burton's Gems and Opals 4.45ct Koroit Boulder Opal | #E20 - 4.45ct Koroit Boulder Opal | #E20
Brand: Burton's Gems and Opals
SKU: 49725602201907
Price: 825.0 USD
Availability: InStock

4.5 (1,234)

Sold 100+ last 30 days

20% off first order

$825.00

Quantity

Color

Black

Quantity

Description

Koroit Boulder Opal Weight (carats)
4.45cts Origin Koroit Mining District, Queensland, Australia Shape
Oval Dimensions (millimeters)
19.04mm x 9.12mm x 3.47mm Dimensions (inches) 0.75" x 0.33" x 0.1" Body Tone (+N1 to N9...

Delivery & Returns

Burton's Gems and Opals

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A loose, pear shaped boulder opal stone from Quilpie, Australia. The opal shines every color of the rainbow.

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A loose boulder opal stone with bright green and blue fire.

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A pear shaped Ethiopian fire opal with vivid red and green play of color.

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$5,100.00

A loose, triangular cut crystal opal from Lightning Ridge, Australia.

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0.59ct Coober Pedy Crystal Opal | #E74

$160.00

A loose, pear shaped Ethiopian fire opal with multicolor fire.

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25.42ct Ethiopian Crystal Opal | #E199

$6,200.00

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8.50ct Quilpie Boulder Opal | #E242

$800.00

A loose, oval cabochon cut Koroit boulder opal stone. The opal has a bright green color.

Burton's Gems and Opals

2.56ct Koroit Boulder Matrix Opal | #E164

$220.00

A loose, freeform shaped boulder opal with green and blue multicolor fire from Australia.

Burton's Gems and Opals

8.66ct Koroit Boulder Opal | #E163

$625.00

A loose, barrel shaped Koroit boulder opal stone with blue veins.

Burton's Gems and Opals

13.44ct Koroit Boulder Matrix Opal | #E169

$325.00

A polished, pear shaped boulder opal stone from Koroit, Australia.

Burton's Gems and Opals

21.42ct Koroit Boulder Matrix Opal | #E172

$220.00

Burton's Gems and Opals

10.95ct Quilpie Boulder Opal | #E246

$1,600.00

Burton's Gems and Opals

11.41ct Quilpie Boulder Opal | #E247

$2,200.00

An oval cabochon cut boulder opal stone with green and blue color play.

Burton's Gems and Opals

3.69ct Quilpie Boulder Opal | #E107

$680.00

A loose, vivid boulder opal stone from Quilpie, Australia.

Burton's Gems and Opals

4.78ct Quilpie Boulder Opal | #E85

$1,860.00

A loose boulder opal stone from Quilpie, Australia. The opal has bright green and blue flashes.

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4.25ct Quilpie Boulder Opal | #E128

$320.00

A loose, oval cut rainbow boulder opal gemstone.

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9.03ct Bull's Creek Boulder Opal | #E83 | "The Rainbow Collection"

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A polished, purple Quilpie boulder opal stone from Queensland, Australia.

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151.32ct Quilpie Boulder Opal Stone | #49

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1.49ct Australian Semi-Crystal Opal | #E8

$825.00

A vivid blue and purple boulder opal stone from Quilpie, Australia.

Burton's Gems and Opals

22.99ct Quilpie Black Boulder Opal | #E187

$1,240.00

Exclusive offer available

Opal Whisperers

3.35cts - Amazing Pattern Queensland Boulder Opal. Australian Opal

A$750.00

A loose, oval cabochon cut Koroit boulder opal with green fire.

Burton's Gems and Opals

3.25ct Koroit Boulder Matrix Opal | #E166

$225.00

A loose, pear shaped boulder opal stone from Koroit, Australia that has vivd green and blue veins of color.

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8.61ct Koroit Boulder Opal | #E132

$1,450.00

An oval cabochon cut boulder opal stone from Koroit, Australia. The opal has a white body tone.

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8.76ct Koroit Boulder Opal | #E134

$1,440.00

A barrel shaped boulder matrix opal from Koroit, Australia. The opal has blue fire.

Burton's Gems and Opals

15.39ct Koroit Boulder Matrix Opal | #E174

$525.00

Exclusive offer available

Opal Whisperers

19.5cts - Queensland Black Boulder Opal from Koroit Crystal Center

A$990.00A$1,500.00

Burton's Gems and Opals

38.94ct Quilpie Boulder Opal | #E252

$1,680.00

A loose, marquise cut boulder opal from Quilpie, Australia. The opal has green and red wave patterns.

Burton's Gems and Opals

4.56ct Quilpie Boulder Opal | #E136

$420.00

A loose semi-black opal from Lightning Ridge, Australia. The opal flashes bright green and blue colors.

Burton's Gems and Opals

2.15ct Semi-Black Bright Green Flash Opal | #E18

$820.00

Exclusive offer available

Opal Whisperers

97.5cts - Tribal Australian Boulder Opal. Heritage Collection

A$1,600.00A$1,850.00

A loose, oval cabochon cut boulder opal stone from Koroit, Australia. The opal has a bright green flash.

Burton's Gems and Opals

4.36ct Koroit Boulder Opal | #E129

$320.00

Burton's Gems and Opals

45.75ct Koroit Boulder Matrix Opal | #E209

$265.00

A freeform pear shaped boulder opal stone with blue color.

Burton's Gems and Opals

11.32ct Quilpie Black Boulder Opal | #E188

$825.00

Exclusive offer available

Opal Whisperers

5.2cts - Queensland Boulder Seam Opal. Reef Pattern!

A$520.00

Burton's Gems and Opals

5.98ct Quilpie Boulder Opal | #E249

$1,400.00

An off-round cabochon cut boulder opal stone from Koroit, Australia. The opal has green, blue, and red colors.

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9.05ct Koroit Boulder Matrix Opal | #E173

$420.00

A pear shaped Koroit boulder matrix opal with blue and purple colors in veins.

Burton's Gems and Opals

10.69ct Koroit Boulder Matrix Opal | #E175

$325.00

Burton's Gems and Opals

4.37ct Quilpie Boulder Opal | #E256

$1,200.00

A freeform shaped boulder opal stone from Koroit, Australia.

Burton's Gems and Opals

30.43ct Koroit Boulder Matrix Opal | #E210

$325.00

Exclusive offer available

Opal Whisperers

54.7cts - Queensland Boulder Black Opal from Koroit

A$1,500.00

Burton's Gems and Opals

10.28ct Quilpie Boulder Opal | #E254

$1,400.00

A barrel shaped boulder opal gemstone with a rainbow of colors.

Burton's Gems and Opals

15.14ct Bull's Creek Boulder Opal | #E82 | "The Rainbow Collection"

$3,880.00

Burton's Gems and Opals

4.96ct Quilpie Boulder Opal | #E257

$600.00

A bright green boulder opal stone from Koroit, Australia.

Burton's Gems and Opals

2.42ct Koroit Boulder Matrix Opal | #E153

$420.00

A loose black opal stone from Lightning Ridge, Australia. The opal's color plays from one particular direction.

Burton's Gems and Opals

8.68ct Highly Directional Lightning Ridge Black Opal | #E23

$3,580.00

An oval cabochon cut semi-black opal stone from Lightning Ridge, Australia.

Burton's Gems and Opals

2.64ct Lightning Ridge Semi-Black Opal | #E190

$825.00

Burton's Gems and Opals

6.95ct Lightning Ridge Black Opal | #E234

$450.00

A lose boulder opal stone with bright blue body color and green color play.

Burton's Gems and Opals

4.37ct Koroit Boulder Opal | #E204

$830.00

A polished matrix opal stone from Koroit, Australia. The opal has a blue color.

Burton's Gems and Opals

10.32ct Koroit Boulder Opal | #E131

$1,240.00

A loose, freeform boulder opal from Koroit, Australia. The opal has patterns.

Burton's Gems and Opals

30.32ct Koroit Boulder Matrix Opal | #E152

$425.00

Burton's Gems and Opals

8.52ct Quilpie Boulder Opal | #E258

$600.00

A loose, oval shaped Koroit boulder matrix opal. The stone has patterns that resembles a rose.

Burton's Gems and Opals

12.24ct Koroit Boulder Matrix Opal | #E171

$725.00

Exclusive offer available

Opal Whisperers

30.2cts - Queensland Boulder Australian Opal.

A$2,250.00

Burton's Gems and Opals

5.80ct Quilpie Boulder Opal | #E248

$1,600.00

A polished piece of opalized wood from Duck Creek, Australia. The opal has green colors.

Burton's Gems and Opals

24.45ct Duck Creek Opalized Wood | #E206

$1,160.00

A loose, freeform boulder opal stone from Quilpie, Australia. The opal has a fissure inclusion.

Burton's Gems and Opals

4.23ct Quilpie Boulder Opal | #E87

$420.00

A loose boulder opal stone from Koroit, Australia. The opal has a blue and purple pattern.

Burton's Gems and Opals

60.86ct Koroit Boulder Matrix Opal | #E148

$2,380.00

A loose, oval cabochon cut matrix opal stone from Honduras.

Burton's Gems and Opals

3.34ct Honduras Matrix Opal | #E89

$315.00

Burton's Gems and Opals

16.34ct Quilpie Black Boulder Opal | #E232

$3,800.00

Burton's Gems and Opals

5.10ct Lightning Ridge Black Opal | #E228

$3,880.00

A loose, oval cabochon cut boulder opal stone. The stone has bright blue and purple veins.

Burton's Gems and Opals

6.16ct Koroit Boulder Opal | #E102

$620.00

An oval cabochon cut boulder opal stone with green, blue, purple, and red play of color.

Burton's Gems and Opals

24.34ct Koroit Boulder Matrix Opal | #E176

$425.00

A pear shaped boulder opal stone from Koroit, Australia. The opal has blue and green flashes.

Burton's Gems and Opals

30.78ct Koroit Boulder Matrix Opal | #E147

$1,280.00

Burton's Gems and Opals

7.10ct Quilpie Boulder Opal | #E255

$2,800.00

An oval cabochon cut boulder opal stone from Koroit, Australia. The opal has a blue color.

Burton's Gems and Opals

6.01ct Koroit Boulder Matrix Opal | #E165

$420.00

Exclusive offer available

Opal Whisperers

120.1cts - Tribal Queensland Boulder Opal

A$1,200.00

Burton's Gems and Opals

14.22ct Quilpie Boulder Opal | #E243

$1,800.00

A loose, Koroit boulder opal stone. The opal plays bright blue and green colors on a patterned matrix.

Burton's Gems and Opals

7.50ct Koroit Boulder Opal | #E22

$1,240.00

A loose boulder opal stone with purple veins from Koroit, Australia.

Burton's Gems and Opals

53.84ct Koroit Boulder Matrix Opal | #E101

$600.00

A Koroit boulder matrix opal with blue color play and white potch opal inclusions.

Burton's Gems and Opals

12.17ct Koroit Boulder Matrix Opal | #E191

$825.00

A semi-black crystal opal stone that shines green and blue colors.

Burton's Gems and Opals

0.63ct Lightning Ridge Semi-Black Crystal Opal | #E62

$420.00

Burton's Gems and Opals

16.59ct Quilpie Black Boulder Opal | #E230

$2,600.00

A loose Mexican matrix fire opal stone. The opal is orange with green flashes.

Burton's Gems and Opals

7.99ct Mexican Matrix Fire Opal | #E40

$825.00

A Koroit boulder opal stone. The opal is double-sided and has an intricate pattern.

Burton's Gems and Opals

11.30ct Koroit Boulder Matrix Opal | #E205

$1,880.00

Burton's Gems and Opals

8.95ct Koroit Boulder Matrix Opal | #E127

$320.00

A loose boulder opal with prurple color play and hematite patterning from Koroit, Australia.

Burton's Gems and Opals

46.64ct Koroit Boulder Matrix Opal | #E208

$525.00

A loose, semi-crystal opal from Australia. The opal predominantly show green and orange colors.

Burton's Gems and Opals

0.78ct Australian Semi-Crystal Opal | #E13

$315.00

Burton's Gems and Opals

14.55ct Quilpie Boulder Opal | #E245

$1,200.00

Burton's Gems and Opals

10.46ct Quilpie Boulder Opal | #E240

$1,800.00

Burton's Gems and Opals

19.12ct Quilpie Black Boulder Opal | #E231

$2,200.00

4.45ct Koroit Boulder Opal | #E20

Delivery & Returns

Burton's Gems and Opals

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