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Home › Gemstones › Opal

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 Opal
Gray
Green Opal
Multicolor Opal
Orange Opal
Pink
Purple
Red Opal
Turquoise
Violet
White Opal
Yellow Opal
Single
Pairs
Lots
Faceted
Cabochons
Clear All
4.31ct Yellow Opal, Oval, Opaque

4.31ct Yellow Opal, Oval, Opaque

12.5 x 9.4 mm

$ 21.55

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0.98ct Multicolor Opal, Oval, Opaque

0.98ct Multicolor Opal, Oval, Opaque

10 x 8 mm (calibrated)

$ 29.28

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2.81ct White Opal, Oval, Transparent

2.81ct White Opal, Oval, Transparent

13 x 9 mm (calibrated)

$ 70.67

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2.29ct Multicolor Opal, Oval, Transparent

2.29ct Multicolor Opal, Oval, Transparent

11.1 x 9.4 mm

$ 57.59

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6.61ct Green Opal, Oval, Opaque

6.61ct Green Opal, Oval, Opaque

12.2 x 10.9 mm

$ 15.34

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1.09ct Multicolor Opal, Oval, Translucent

1.09ct Multicolor Opal, Oval, Translucent

10 x 7 mm (calibrated)

$ 35.82

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12.73ct Multicolor Boulder Opal, Trillion, Opaque

12.73ct Multicolor Boulder Opal, Trillion, Opaque

16 x 16 mm (calibrated)

$ 63.40

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0.61ct Orange Fire Opal, Oval, Translucent

0.61ct Orange Fire Opal, Oval, Translucent

8 x 6 mm (calibrated)

$ 16.72

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21.09ct Multicolor Opal, Oval, Transparent

21.09ct Multicolor Opal, Oval, Transparent

25.4 x 16.5 mm

$ 525.14

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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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2.98ct Multicolor Opal, Trillion, Transparent
Opal Product Video (691103)

2.98ct Multicolor Opal, Trillion, Transparent

11.6 x 11.1 mm

$ 133.56

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1.48ct Multicolor Opal, Oval, Opaque

1.48ct Multicolor Opal, Oval, Opaque

10 x 8 mm (calibrated)

$ 48.65

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2.41ct Yellow Opal, Oval, Opaque

2.41ct Yellow Opal, Oval, Opaque

10.3 x 6.3 mm

$ 12.05

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1.16ct Multicolor Opal, Oval, Transparent

1.16ct Multicolor Opal, Oval, Transparent

10 x 7 mm (calibrated)

$ 28.88

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20.82ct Green Opal, Oval, Opaque

20.82ct Green Opal, Oval, Opaque

21 x 17 mm

$ 44.58

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1.19ct Multicolor Black Opal, Oval, Translucent

1.19ct Multicolor Black Opal, Oval, Translucent

10 x 8 mm (calibrated)

$ 29.63

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2.57ct Multicolor Black Opal, Trillion, Opaque

2.57ct Multicolor Black Opal, Trillion, Opaque

11.2 x 10.2 mm

$ 78.23

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0.86ct Multicolor Opal, Oval, Opaque

0.86ct Multicolor Opal, Oval, Opaque

7.7 x 5.9 mm

$ 25.70

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9.16ct Multicolor Black Opal, Trillion, Opaque
Black Opal Product Video (744006)

9.16ct Multicolor Black Opal, Trillion, Opaque

20.6 x 14.3 mm

$ 380.14

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1.67ct Multicolor Opal, Pear Shape, Translucent

1.67ct Multicolor Opal, Pear Shape, Translucent

12.6 x 7.6 mm

$ 64.04

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5.74ct Green Opal, Oval, Opaque

5.74ct Green Opal, Oval, Opaque

15.3 x 11.5 mm

$ 13.32

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1.65ct Multicolor Opal, Oval, Opaque

1.65ct Multicolor Opal, Oval, Opaque

10 x 8 mm (calibrated)

$ 54.23

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0.81ct Orange Fire Opal, Oval, Transparent

0.81ct Orange Fire Opal, Oval, Transparent

8 x 6 mm (calibrated)

$ 23.07

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1.59ct Multicolor Opal, Oval, Transparent

1.59ct Multicolor Opal, Oval, Transparent

10 x 8 mm (calibrated)

$ 73.16

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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

Will know more once order received

Posted By Jim in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

They have a wonderful selection of gems of all sorts, shapes, cuts, and quality. I am very particular about the quality of stones I buy, and found many with VVS clarity and excellent cut and polish. I am thrilled with each of the stones I purchased, and would definitely recommend GemSelect to everyone.

Posted By Debsarabs in February, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I had a very easy time navigating the web page and using filters to find what I was looking for. The varied selection was nice to see and pricing is clear and fair.

Posted By Mattick in May, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

Easy to use. Many options to find the right gemstone

Posted By Liz in May, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

Very easy to navigate with a great selection.

Posted By Bar181 in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

The website has a good selection, the interface is very intuitive.

Posted By PhoenixFeatherJewelry in January, 2026
Source: Bizrate
→ View All GemSelect Reviews on Bizrate
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