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Oval Black Opal Gemstones - Natural, Certified

Oval Black Opal Gemstones - Natural, Certified

Discover the mesmerizing allure of Oval Black Opal Gemstones at GemSelect, featuring natural, certified loose gemstones with a dark body and vibrant multicolor play-of-color in red, blue, and green. Precision-cut into oval shapes to enhance their dazzling flashes, these gems range from $50 to $500 per carat. All stones are in stock, perfect for crafting luxurious rings, pendants, or earrings, with worldwide shipping to inspire your designs!

Oval Black Opal Weight
Oval Black Opal Size
Oval Black Opal Clarity
Oval Black Opal Price

Size Explained

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For Example: 6-7
For Example: 8-9
Bi-color
Black
Blue
Brown
Golden
Gray
Green
Multicolor Oval Black Opal
Orange
Pink
Purple
Red
Turquoise
Violet
White
Yellow
Single
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ID: 679932
Weight: 7.64ct
Size: 16.8 x 13.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 275.04
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ID: 696784
Weight: 1.71ct
Size: 10 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 51.82
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ID: 516217
Weight: 2.79ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 92.07
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ID: 679441
Weight: 5.66ct
Size: 16 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 169.80
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ID: 517228
Weight: 1.25ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 49.50
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ID: 679761
Weight: 7.14ct
Size: 19.9 x 12.1 mm
Clarity: Translucent
Content: 1 pc
Price: $ 214.20
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ID: 705665
Weight: 3.76ct
Size: 16.5 x 11.1 mm
Clarity: Translucent
Content: 1 pc
Price: $ 112.80
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ID: 516220
Weight: 2.60ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 102.96
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ID: 744107
Weight: 2.66ct
Size: 15.2 x 8.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 133.00
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ID: 744608
Weight: 2.13ct
Size: 12.2 x 7.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 85.20
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ID: 705407
Weight: 1.42ct
Size: 10 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 42.60
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ID: 499850
Weight: 2.53ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 100.19
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ID: 473265
Weight: 5.54ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 4 pcs
Price: $ 139.14
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ID: 744033
Weight: 3.96ct
Size: 14 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 198.00
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ID: 679430
Weight: 6.46ct
Size: 16 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 232.56
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ID: 744031
Weight: 2.64ct
Size: 14.6 x 9.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 132.00
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ID: 705557
Weight: 1.69ct
Size: 10.5 x 8.2 mm
Clarity: Translucent
Content: 1 pc
Price: $ 50.70
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ID: 705684
Weight: 1.17ct
Size: 9.3 x 7.4 mm
Clarity: Translucent
Content: 1 pc
Price: $ 35.10
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ID: 516218
Weight: 2.31ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 91.48
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ID: 744105
Weight: 2.66ct
Size: 13.1 x 10.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 133.00
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ID: 712300
Weight: 0.84ct
Size: 9 x 7 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 30.24
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ID: 500273
Weight: 2.49ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: Translucent
Content: 4 pcs
Price: $ 98.60
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ID: 499857
Weight: 2.91ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 115.24
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ID: 705288
Weight: 1.30ct
Size: 10.1 x 7.6 mm
Clarity: Translucent
Content: 1 pc
Price: $ 32.50
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ID: 697754
Weight: 3.88ct (total)
Size: 11.3 x 8.3 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 117.56
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ID: 705476
Weight: 1.75ct
Size: 12 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 52.50
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ID: 529755
Weight: 1.28ct
Size: 9 x 7 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 40.55
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ID: 705400
Weight: 1.24ct
Size: 9.2 x 7.6 mm
Clarity: Translucent
Content: 1 pc
Price: $ 37.20
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ID: 329131
Weight: 2.79ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: Opaque
Content: 4 pcs
Price: $ 100.44
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ID: 519505
Weight: 1.32ct (total)
Size: 6.3 x 4.3 mm
Clarity: Translucent
Content: 4 pcs
Price: $ 52.27
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ID: 705545
Weight: 1.43ct
Size: 9.4 x 7.3 mm
Clarity: Translucent
Content: 1 pc
Price: $ 42.90
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ID: 696786
Weight: 1.40ct
Size: 10.4 x 7.4 mm
Clarity: Translucent
Content: 1 pc
Price: $ 42.42
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ID: 530107
Weight: 1.37ct
Size: 9 x 7 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 43.40
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ID: 518358
Weight: 1.22ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 48.31
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ID: 705567
Weight: 2.10ct
Size: 12.9 x 7.8 mm
Clarity: Translucent
Content: 1 pc
Price: $ 63.00
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ID: 518360
Weight: 0.74ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 29.30
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ID: 744010
Weight: 12.20ct
Size: 29.5 x 17.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 610.00
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ID: 705548
Weight: 1.44ct
Size: 11.5 x 7.9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 43.20
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ID: 705375
Weight: 1.39ct
Size: 9.3 x 7.4 mm
Clarity: Translucent
Content: 1 pc
Price: $ 41.70
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ID: 705381
Weight: 2.04ct
Size: 12.6 x 8.6 mm
Clarity: Translucent
Content: 1 pc
Price: $ 61.20
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ID: 500277
Weight: 2.79ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: Opaque
Content: 4 pcs
Price: $ 110.48
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ID: 515935
Weight: 1.14ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 45.14
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ID: 473741
Weight: 4.58ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 4 pcs
Price: $ 126.54
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ID: 705669
Weight: 2.75ct
Size: 12 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 82.50
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ID: 518359
Weight: 1.29ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 51.08
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ID: 705427
Weight: 0.97ct
Size: 9 x 6.5 mm
Clarity: Translucent
Content: 1 pc
Price: $ 29.10
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ID: 744022
Weight: 4.80ct
Size: 14.3 x 8.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 240.00
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ID: 705388
Weight: 1.72ct
Size: 10 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 51.60
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ID: 705207
Weight: 0.86ct
Size: 9 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 25.80
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ID: 744109
Weight: 2.11ct
Size: 11 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 105.50
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ID: 705674
Weight: 1.74ct
Size: 12 x 8.7 mm
Clarity: Translucent
Content: 1 pc
Price: $ 52.20
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ID: 500359
Weight: 0.79ct
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 26.07
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ID: 705351
Weight: 1.55ct
Size: 10 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 46.50
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ID: 679435
Weight: 8.82ct
Size: 19.3 x 13 mm
Clarity: Opaque
Content: 1 pc
Price: $ 317.52
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ID: 705409
Weight: 1.35ct
Size: 11 x 9 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 33.75
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ID: 518352
Weight: 1.01ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 40.00
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ID: 501347
Weight: 0.99ct
Size: 9 x 7 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 35.64
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ID: 705282
Weight: 2.67ct
Size: 13 x 9 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 80.10
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ID: 705550
Weight: 1.52ct
Size: 11.2 x 7.3 mm
Clarity: Translucent
Content: 1 pc
Price: $ 45.60
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ID: 516358
Weight: 1.50ct (total)
Size: 6 x 4.2 mm
Clarity: Translucent
Content: 4 pcs
Price: $ 59.40
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FAQs

What are oval black opal gemstones?

Oval black opal gemstones are natural precious opals from Australia, with a dark body and vibrant red, blue, or green play-of-color. Certified, they’re ideal for luxury jewelry.

Are oval black opal gemstones treated?

Most oval black opal gemstones are untreated, showcasing natural play-of-color. Some Ethiopian opals are smoked or stabilized, disclosed in certifications.

What jewelry suits oval black opal gemstones?

With a Mohs hardness of 5.5-6.5, oval black opal gemstones are best for pendants, earrings, or protected ring settings, perfect for statement pieces.

What color variations exist in oval black opal gemstones?

Oval black opal gemstones feature a black or dark gray body with red, blue, green, or multicolored flashes. Australian stones show intense, vivid patterns.

How do I buy oval black opal gemstones from GemSelect?

Visit the oval black opal gemstones category, select your loose stone by size or color, and purchase with secure checkout and worldwide shipping.

Are oval black opal gemstones in stock and ethically sourced?

All oval black opal gemstones are in stock, ethically sourced from Australia and Ethiopia, ensuring certified quality and sustainable practices.

What makes oval black opal gemstones unique?

Oval black opal gemstones stand out for their dark body, vibrant play-of-color, and October birthstone status, but require care due to their softness.

GemSelect Certified Store Reviews

GemSelect: Over 22 Years in the Gemstone Business! Thank you for trusting us with your purchase!

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Good selection, using for custom jewlery for my wife.

Posted By Smitty in June, 2025
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I was able to find what I was looking for

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When I need a specific stone, gem select is my go to shop. Always a good experience and a great product.

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selection was broad and the check out was quick. Great site

Posted By JC Karl in September, 2025
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Overall Rating -> 9 star ratings

I did not realize these stones were of jewelry quality. They are really beautiful, just not what I was expecting which was more of a natural stone.

Posted By Jewelry Quality Stones in July, 2025
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Its been a long time since Ive made any purchases Im satisfied with the quality.

Posted By Hard Case in December, 2024
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Overall Rating -> 8 star ratings

First time using this website. It was both exciting finding things in my price range and things Iam gonna save up for and use in other pieces. I love that the picture of the gem is the exact gem I'll be buying. I haven't tested the gems yes but they said they sold me 100% natural gems.

Posted By Salvo in July, 2025
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Enlarged Gemstone Image