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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
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
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0.67ct Bright Orange Fire Opal, Oval, Transparent
Fire Opal Product Video (585387)

0.67ct Bright Orange Fire Opal, Oval, Transparent

8 x 6 mm (calibrated)

$ 22.99

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0.86ct Multicolor Opal, Oval, Translucent

0.86ct Multicolor Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 45.41

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0.77ct Multicolor Black Opal, Emerald Cut, Opaque

0.77ct Multicolor Black Opal, Emerald Cut, Opaque

8.2 x 6.4 mm

$ 23.79

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1.28ctw Multicolor Opal, Oval, Opaque

1.28ctw Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 50.69

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0.72ct Medium Orange Fire Opal, Oval, Transparent

0.72ct Medium Orange Fire Opal, Oval, Transparent

8 x 6 mm (calibrated)

$ 24.71

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1.99ctw Multicolor Opal, Oval, Transparent

1.99ctw Multicolor Opal, Oval, Transparent

7 x 5 mm (calibrated)

$ 105.07

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1.79ct Multicolor Opal, Pear Shape, Translucent

1.79ct Multicolor Opal, Pear Shape, Translucent

12 x 8 mm (calibrated)

$ 54.24

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0.98ct Multicolor Opal, Oval, Transparent

0.98ct Multicolor Opal, Oval, Transparent

8 x 6 mm (calibrated)

$ 55.62

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20.55ct Medium Yellow Cat's Eye Opal, Oval, Opaque

20.55ct Medium Yellow Cat's Eye Opal, Oval, Opaque

20.5 x 15.7 mm

$ 73.98

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41.82ct Yellowish Green Cat's Eye Opal, Oval, Opaque

41.82ct Yellowish Green Cat's Eye Opal, Oval, Opaque

25.1 x 20.8 mm

$ 125.46

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0.91ct Multicolor Opal, Oval, Opaque

0.91ct Multicolor Opal, Oval, Opaque

7.9 x 6.5 mm

$ 32.76

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1.23ct Multicolor Opal, Pear Shape, Transparent

1.23ct Multicolor Opal, Pear Shape, Transparent

10 x 7 mm (calibrated)

$ 36.90

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5.49ctw Multicolor Opal, Round, Translucent

5.49ctw Multicolor Opal, Round, Translucent

8 mm (calibrated)

$ 184.46

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1.07ct Multicolor Opal, Oval, Transparent

1.07ct Multicolor Opal, Oval, Transparent

9.9 x 6.6 mm

$ 32.10

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14.20ct Earthy Green Opal, Oval, Opaque

14.20ct Earthy Green Opal, Oval, Opaque

17.3 x 14.5 mm

$ 30.53

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13.14ct Multicolor Boulder Opal, Oval, Opaque
Boulder Opal Product Video (248000)

13.14ct Multicolor Boulder Opal, Oval, Opaque

19.5 x 13.5 mm

$ 121.42

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2.59ctw Multicolor Opal, Oval, Translucent

2.59ctw Multicolor Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 68.28

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2.08ctw Multicolor Opal, Oval, Opaque

2.08ctw Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 74.88

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0.83ct Multicolor Opal, Oval, Transparent

0.83ct Multicolor Opal, Oval, Transparent

8 x 6 mm (calibrated)

$ 43.82

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0.85ctw Multicolor Opal, Oval, Transparent

0.85ctw Multicolor Opal, Oval, Transparent

7 x 5 mm (calibrated)

$ 280.50

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1.19ct Multicolor Black Opal, Oval, Opaque

1.19ct Multicolor Black Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 36.76

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1.03ct Multicolor Black Opal, Pear Shape, Opaque

1.03ct Multicolor Black Opal, Pear Shape, Opaque

8.7 x 7.4 mm

$ 31.82

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2.21ct Warm Yellow Cat's Eye Opal, Oval, Opaque

2.21ct Warm Yellow Cat's Eye Opal, Oval, Opaque

9.5 x 6.7 mm

$ 7.96

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17.18ct Multicolor Boulder Opal, Fancy, Opaque

17.18ct Multicolor Boulder Opal, Fancy, Opaque

21.2 x 16.1 mm

$ 85.90

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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

Easy to use. No issues. Large selection of gems.

Posted By CLTCJH in February, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

It was fine . Wish there had been more round stones to select from

Posted By Emm in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

It's always a pleasure doing business with Gem Select. Outstanding products ant very reasonable prices. Thank You One and All.

Posted By G.W. or Bakyow in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I searched for the size, dimensions and quality of the stones I was looking for and then compared and ordered.

Posted By Tim in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Everything was great, website user friendly, quality amazing, communication amazing, delivery amazing, everything was as expected, they done what they said they would, overall experience was amazing.

Posted By Jac in July, 2025
Source: Bizrate

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
→ View All GemSelect Reviews on Bizrate
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