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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
0.56ct Multicolor Opal, Oval, Opaque

0.56ct Multicolor Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 16.73

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10.65ct Multicolor Boulder Opal, Fancy, Opaque

10.65ct Multicolor Boulder Opal, Fancy, Opaque

20.2 x 13.2 mm

$ 53.04

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6.08ct Multicolor Boulder Opal, Oval, Opaque

6.08ct Multicolor Boulder Opal, Oval, Opaque

16.1 x 9.9 mm

$ 30.28

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7.53ct Multicolor Opal, Oval, Transparent

7.53ct Multicolor Opal, Oval, Transparent

18.3 x 14.1 mm

$ 187.50

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1.72ct Multicolor Opal, Oval, Transparent

1.72ct Multicolor Opal, Oval, Transparent

10.9 x 7.2 mm

$ 42.83

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1.64ct Multicolor Black Opal, Oval, Translucent

1.64ct Multicolor Black Opal, Oval, Translucent

12 x 8 mm (calibrated)

$ 40.84

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3.58ct Multicolor Opal, Pear Shape, Translucent

3.58ct Multicolor Opal, Pear Shape, Translucent

14.5 x 10.4 mm

$ 89.14

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0.59ct Brown Chocolate Opal, Oval, Translucent

0.59ct Brown Chocolate Opal, Oval, Translucent

8 x 6 mm (calibrated)

$ 17.63

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0.86ct Multicolor Opal, Oval, Opaque

0.86ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 25.70

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2.05ct Multicolor Opal, Oval, Translucent

2.05ct Multicolor Opal, Oval, Translucent

12 x 8 mm (calibrated)

$ 51.73

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1.34ctw Multicolor Opal, Oval, Opaque

1.34ctw Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 44.04

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1.16ct Multicolor Black Opal, Oval, Opaque

1.16ct Multicolor Black Opal, Oval, Opaque

9.5 x 7.2 mm

$ 29.74

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1.22ct Multicolor Opal, Oval, Translucent

1.22ct Multicolor Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 40.10

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2.29ct Multicolor Black Opal, Oval, Opaque

2.29ct Multicolor Black Opal, Oval, Opaque

11 x 9 mm (calibrated)

$ 76.03

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0.87ct Multicolor Opal, Oval, Opaque

0.87ct Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 26.00

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1.27ct Multicolor Black Opal, Trillion, Opaque

1.27ct Multicolor Black Opal, Trillion, Opaque

9.7 x 9 mm

$ 32.09

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0.53ct Multicolor Opal, Pear Shape, Transparent

0.53ct Multicolor Opal, Pear Shape, Transparent

8 x 5 mm (calibrated)

$ 13.20

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1.51ct Multicolor Chocolate Opal, Oval, Translucent

1.51ct Multicolor Chocolate Opal, Oval, Translucent

10 x 8 mm (calibrated)

$ 49.63

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1.33ct Multicolor Black Opal, Round, Opaque

1.33ct Multicolor Black Opal, Round, Opaque

8 mm (calibrated)

$ 33.61

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0.97ct Multicolor Opal, Oval, Transparent/Translucent

0.97ct Multicolor Opal, Oval, Transparent/Translucent

8.2 x 6.3 mm

$ 42.51

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8.39ct Multicolor Black Opal, Pear Shape, Opaque

8.39ct Multicolor Black Opal, Pear Shape, Opaque

18.7 x 13.8 mm

$ 250.69

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1.69ctw Multicolor Opal, Oval, Transparent

1.69ctw Multicolor Opal, Oval, Transparent

7 x 5 mm (calibrated)

$ 74.06

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1.10ct Multicolor Black Opal, Oval, Opaque

1.10ct Multicolor Black Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 28.20

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6.20ct Green Opal, Oval, Opaque

6.20ct Green Opal, Oval, Opaque

14.7 x 11.6 mm

$ 13.28

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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

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

Found a rock that met my need. Bought it!

Posted By Skot in May, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Wonderful purchase, can't wait to see the stone.

Posted By Tim in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Great! Affordable

Posted By Spinellope in April, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Love how easy the site is to use. Really love that the pictures are of actual product.

Posted By LeAnn in January, 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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