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Opal Gemstones

Discover natural opal gemstones known for their unique play-of-color and endless variety.

Black Opal
White Opal
Boulder Opal
Chocolate Opal
Fire Opal
Opal Doublet
Yellow Opal
Matrix Opal
Round Opal Gems
1-2 Carat Opal
2-5 Carat Opal
Opal Weight
Opal Size
Opal Clarity
Opal Price

Size Explained

Choose Size or Size Range
For Example: 6-7
For Example: 8-9
Bi-color
Black Opal
Blue
Brown Opal
Golden
Gray
Green Opal
Multicolor Opal
Orange Opal
Pink
Purple
Red Opal
Turquoise
Violet
White Opal
Yellow Opal
Single
Pairs
Lots
Faceted
Cabochons
Clear All
0.81ct Multicolor Opal, Oval, Opaque

0.81ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 24.20

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1.09ct Multicolor Opal, Oval, Transparent

1.09ct Multicolor Opal, Oval, Transparent

10 x 7 mm (calibrated)

$ 27.50

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3.00ct Multicolor Black Opal, Trillion, Transparent

3.00ct Multicolor Black Opal, Trillion, Transparent

11.9 x 10.9 mm

$ 87.40

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1.08ct Multicolor Opal, Oval, Translucent

1.08ct Multicolor Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 30.88

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0.82ct Multicolor Opal, Oval, Opaque

0.82ct Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 24.50

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1.50ct Multicolor Opal, Oval, Transparent

1.50ct Multicolor Opal, Oval, Transparent

10 x 8 mm (calibrated)

$ 69.02

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3.89ct Multicolor Opal, Oval, Transparent

3.89ct Multicolor Opal, Oval, Transparent

14.5 x 10.8 mm

$ 81.49

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1.41ct Multicolor Opal, Oval, Transparent

1.41ct Multicolor Opal, Oval, Transparent

11.3 x 7.9 mm

$ 64.88

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1.64ctw Multicolor Opal, Oval, Transparent

1.64ctw Multicolor Opal, Oval, Transparent

7 x 5 mm (calibrated)

$ 59.89

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1.68ct Multicolor Opal, Oval, Transparent

1.68ct Multicolor Opal, Oval, Transparent

10.6 x 8.2 mm

$ 41.83

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1.32ctw Multicolor Opal, Oval, Transparent

1.32ctw Multicolor Opal, Oval, Transparent

7 x 5 mm (calibrated)

$ 57.85

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1.03ct Multicolor Opal, Oval, Transparent

1.03ct Multicolor Opal, Oval, Transparent

9.2 x 6.4 mm

$ 33.86

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1.05ct Multicolor Opal, Fancy, Translucent

1.05ct Multicolor Opal, Fancy, Translucent

9 x 6 mm (calibrated)

$ 29.28

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0.91ct Multicolor Opal, Oval, Opaque

0.91ct Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 27.19

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2.61ct Multicolor Black Opal, Oval, Opaque

2.61ct Multicolor Black Opal, Oval, Opaque

12.7 x 9.5 mm

$ 86.65

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10.40ct Multicolor Boulder Opal, Fancy, Opaque

10.40ct Multicolor Boulder Opal, Fancy, Opaque

19.5 x 12.6 mm

$ 79.76

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1.27ct Multicolor Opal, Oval, Opaque

1.27ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 37.95

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0.57ct Multicolor Opal, Oval, Opaque

0.57ct Multicolor Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 17.03

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12.46ct Green Opal, Oval, Opaque

12.46ct Green Opal, Oval, Opaque

18 x 13.7 mm

$ 22.24

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1.75ct Multicolor Opal, Oval, Transparent

1.75ct Multicolor Opal, Oval, Transparent

10.9 x 7.9 mm

$ 78.44

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1.01ct Multicolor Black Opal, Oval, Translucent

1.01ct Multicolor Black Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 33.20

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1.02ct Multicolor Chocolate Opal, Oval, Transparent

1.02ct Multicolor Chocolate Opal, Oval, Transparent

8 x 6 mm (calibrated)

$ 30.48

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3.00ct Multicolor Black Opal, Oval, Opaque

3.00ct Multicolor Black Opal, Oval, Opaque

13.5 x 7.9 mm

$ 87.40

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2.61ct Multicolor Opal, Oval, Translucent

2.61ct Multicolor Opal, Oval, Translucent

15.1 x 9.2 mm

$ 65.84

View Gem

Why Buy Opal from GemSelect?

Natural Opal Gemstones

Our natural opal gemstones are carefully selected for their vibrant play-of-color and individuality. Each stone is unique, making opals a favorite among jewelers and collectors.

Loose Opal Gemstones Online

Buy loose opal gemstones online at GemSelect with confidence. We offer detailed photos, transparent descriptions, and secure worldwide shipping.

Loose Opal Gemstones for Jewelry and Collecting

Opal for Jewelry Making

Opal gemstones are ideal for custom jewelry such as rings, pendants, and earrings. Their shifting colors create eye-catching designs unlike any other gemstone.

Australian and Ethiopian Opal

Australian opals are prized for their durability and classic color play, while Ethiopian opals are known for bold patterns and vivid flashes of color.

Faceted Opal Stones

Faceted opal gemstones enhance brilliance and highlight internal color play. These stones are perfect for modern jewelry designs requiring extra sparkle.

Opal Cabochons

Opal cabochons feature smooth, domed surfaces that emphasize color patterns. They are a popular choice for statement jewelry and artistic settings.

Wholesale Opal Gemstones

We offer wholesale opal gemstones for jewelers and designers seeking quality stones at competitive prices, including matched pairs and calibrated sizes.

October Birthstone Opal

Opal is the October birthstone, symbolizing creativity and individuality. It makes a meaningful gift for birthdays and special occasions.

Learn more about opal characteristics, care, and history on our Opal Information Page.

FAQs

What makes opal gemstones unique?

Opals are known for their play-of-color, an optical effect where flashes of color shift with movement and light.

Are GemSelect’s opal gemstones natural?

Yes, all our opal gemstones are natural. Any treatments or stabilizations are clearly disclosed.

Are opals suitable for everyday jewelry?

Opals are best suited for occasional wear. Protective settings are recommended due to their moderate hardness.

What types of opal do you sell?

We offer a wide range including Australian opal, Ethiopian opal, black opal, white opal, fire opal, and boulder opal.

Can I buy opal gemstones in matched pairs?

Yes, we offer matched opal pairs ideal for earrings and custom jewelry designs.

GemSelect Certified Store Reviews

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

Overall Rating -> 9 star ratings

Always a good quality stone. Priced fairly and shipped promptly. Answers emails quickly

Posted By Ron T in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Easy and good price

Posted By Bry_guy in March, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

The citrine gems are beautiful. I appreciated that each stone was individually shown on the website so I could see exactly what I was getting. No mystery person selecting random stones for me. The documentation included with each gem was high quality as well. Great price and arrived as expected.

Posted By Jen in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Great site for finding specific stones and sizes for individual pieces of jewelry

Posted By Designer in December, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Everything was good, the purchase was what I expected and what they show is what you get.

Posted By Mr. in March, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

I loved the selection of gemstones you have a to z

Posted By James in May, 2026
Source: Bizrate
→ View All GemSelect Reviews on Bizrate
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