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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
15.08ct Green Opal, Oval, Opaque

15.08ct Green Opal, Oval, Opaque

17.1 x 15.8 mm

$ 32.29

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3.04ct Multicolor Black Opal, Pear Shape, Opaque

3.04ct Multicolor Black Opal, Pear Shape, Opaque

15.3 x 7.2 mm

$ 88.56

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1.44ct Multicolor Opal, Oval, Transparent

1.44ct Multicolor Opal, Oval, Transparent

10 x 8 mm (calibrated)

$ 35.86

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0.99ct Multicolor Black Opal, Trillion, Opaque

0.99ct Multicolor Black Opal, Trillion, Opaque

8.8 x 8 mm

$ 25.38

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1.15ct Multicolor Opal, Oval, Opaque

1.15ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 34.36

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1.35ctw Multicolor Opal, Oval, Opaque

1.35ctw Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 40.34

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0.51ct Multicolor Opal, Oval, Opaque

0.51ct Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 15.24

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1.43ctw Multicolor Opal, Oval, Opaque

1.43ctw Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 47.00

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0.85ctw Multicolor Opal, Oval, Opaque

0.85ctw Multicolor Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 27.94

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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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5.50ct Multicolor Opal, Pear Shape, Transparent
Opal Product Video (691380)

5.50ct Multicolor Opal, Pear Shape, Transparent

16.8 x 11.1 mm

$ 246.51

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1.10ct Multicolor Opal, Round, Translucent

1.10ct Multicolor Opal, Round, Translucent

7 mm (calibrated)

$ 27.01

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2.49ctw Multicolor Black Opal, Oval, Translucent

2.49ctw Multicolor Black Opal, Oval, Translucent

7 x 5 mm (calibrated)

$ 81.84

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8.91ct Multicolor Black Opal, Oval, Opaque

8.91ct Multicolor Black Opal, Oval, Opaque

18 x 13 mm (calibrated)

$ 369.77

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3.85ct Multicolor Black Opal, Marquise, Opaque

3.85ct Multicolor Black Opal, Marquise, Opaque

18 x 9 mm (calibrated)

$ 112.17

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3.07ct Multicolor Opal, Oval, Transparent

3.07ct Multicolor Opal, Oval, Transparent

13 x 10.2 mm

$ 77.21

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0.65ct Multicolor Opal, Pear Shape, Transparent

0.65ct Multicolor Opal, Pear Shape, Transparent

8 x 5 mm (calibrated)

$ 16.19

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1.47ct Multicolor Opal, Oval, Transparent

1.47ct Multicolor Opal, Oval, Transparent

10 x 8 mm (calibrated)

$ 61.49

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1.65ct Multicolor Opal, Oval, Transparent

1.65ct Multicolor Opal, Oval, Transparent

9 x 7 mm (calibrated)

$ 42.89

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1.29ct Multicolor Opal, Oval, Translucent

1.29ct Multicolor Opal, Oval, Translucent

10 x 8 mm (calibrated)

$ 32.55

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0.83ct Multicolor Opal, Fancy, Translucent

0.83ct Multicolor Opal, Fancy, Translucent

9 x 7 mm (calibrated)

$ 23.15

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16.52ct Multicolor Boulder Opal, Cushion, Opaque

16.52ct Multicolor Boulder Opal, Cushion, Opaque

19 x 14.8 mm

$ 115.18

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6.17ct Multicolor Boulder Opal, Trillion, Opaque

6.17ct Multicolor Boulder Opal, Trillion, Opaque

14 x 14 mm (calibrated)

$ 30.73

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1.48ctw Multicolor Opal, Oval, Transparent
Opal Product Video (548516)

1.48ctw Multicolor Opal, Oval, Transparent

8 x 6 mm (calibrated)

$ 368.52

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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 -> 10 star ratings

Had a great experience and the prices are great

Posted By BuBx99 in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It was good. There was a large selection at prices I could afford.

Posted By Zorah in February, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

Nothing bad to report. Everything is as expected. The gems and the price are all very good.

Posted By Dafanatic in August, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Fast and reliable service.

Posted By Zæck in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Love the precise descriptions and calibrations of hte loose gemstones. Would like to have seen more variety in the size gem I was looking for.

Posted By RenoRose in January, 2026
Source: Bizrate

Overall Rating -> 7 star ratings

easy interface for a pricless buy

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