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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
Clear All
0.74ct Bright Orange Fire Opal, Oval, Transparent

0.74ct Bright Orange Fire Opal, Oval, Transparent

8.2 x 5.6 mm

$ 31.08

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12.00ct Multicolor Boulder Opal, Fancy, Opaque

12.00ct Multicolor Boulder Opal, Fancy, Opaque

26 x 16.3 mm

$ 72.00

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1.27ct Multicolor Opal, Oval, Transparent

1.27ct Multicolor Opal, Oval, Transparent

10 x 8 mm (calibrated)

$ 38.10

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1.51ct Multicolor Opal, Pear Shape, Translucent

1.51ct Multicolor Opal, Pear Shape, Translucent

10 x 8 mm (calibrated)

$ 43.85

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51.46ct Multicolor Opal, Oval, Opaque
Opal Product Video (667935)

51.46ct Multicolor Opal, Oval, Opaque

38.3 x 25.5 mm

$ 185.26

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0.83ct Multicolor Black Opal, Pear Shape, Opaque

0.83ct Multicolor Black Opal, Pear Shape, Opaque

10 x 7 mm (calibrated)

$ 29.05

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6.10ct Multicolor Boulder Opal, Pear Shape, Opaque

6.10ct Multicolor Boulder Opal, Pear Shape, Opaque

19.2 x 11.8 mm

$ 51.24

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0.54ct Multicolor Opal, Oval, Opaque

0.54ct Multicolor Opal, Oval, Opaque

7.1 x 5.2 mm

$ 19.44

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10.26ct Multicolor Boulder Opal, Fancy, Opaque

10.26ct Multicolor Boulder Opal, Fancy, Opaque

19.2 x 10.5 mm

$ 61.56

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86.87ct Multicolor Opal, Oval, Transparent
Opal Product Video (746924)

86.87ct Multicolor Opal, Oval, Transparent

39.8 x 33.9 mm

$ 6,080.90

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2.93ct Dark Orange-Gold Cat's Eye Opal, Oval, Opaque

2.93ct Dark Orange-Gold Cat's Eye Opal, Oval, Opaque

11 x 8.2 mm

$ 10.55

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1.82ct Multicolor Opal, Oval, Translucent

1.82ct Multicolor Opal, Oval, Translucent

11.2 x 8 mm

$ 55.15

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0.82ct Multicolor Opal, Oval, Opaque

0.82ct Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 29.52

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1.24ct Multicolor Black Opal, Oval, Translucent

1.24ct Multicolor Black Opal, Oval, Translucent

9.2 x 7.6 mm

$ 37.20

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1.03ct Multicolor Opal, Oval, Opaque

1.03ct Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 37.08

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1.09ct Multicolor Opal, Oval, Opaque

1.09ct Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 39.24

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33.93ct Multicolor Boulder Opal, Trillion, Opaque
Boulder Opal Product Video (371701)

33.93ct Multicolor Boulder Opal, Trillion, Opaque

26.7 x 21.3 mm

$ 269.36

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1.76ct Multicolor Black Opal, Oval, Opaque

1.76ct Multicolor Black Opal, Oval, Opaque

10 x 8 mm (calibrated)

$ 54.37

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2.21ct Multicolor Opal, Oval, Translucent

2.21ct Multicolor Opal, Oval, Translucent

11.7 x 8.8 mm

$ 66.96

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2.29ct Multicolor Black Opal, Oval, Opaque

2.29ct Multicolor Black Opal, Oval, Opaque

11 x 9 mm (calibrated)

$ 91.60

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6.06ct Multicolor Black Opal, Oval, Opaque

6.06ct Multicolor Black Opal, Oval, Opaque

18 x 13 mm (calibrated)

$ 218.16

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9.65ct Multicolor Boulder Opal, Marquise, Opaque

9.65ct Multicolor Boulder Opal, Marquise, Opaque

25.3 x 10.3 mm

$ 81.06

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3.43ct Medium Yellow Cat's Eye Opal, Oval, Opaque

3.43ct Medium Yellow Cat's Eye Opal, Oval, Opaque

10.7 x 8.5 mm

$ 12.35

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0.82ct Multicolor Opal, Round, Translucent

0.82ct Multicolor Opal, Round, Translucent

7 mm (calibrated)

$ 24.26

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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 -> 9 star ratings

I love wide range of stones. Always have my preference.

Posted By Ray in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Was a good experience.

Posted By Tim in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I was looking for high-quality amethyst on this site, and I was able to compare size, color, and weight in detail before making a purchase.

Posted By Atsuhisa in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

It was easy to navigate

Posted By GemGod in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Good selection, using for custom jewlery for my wife.

Posted By Smitty in June, 2025
Source: Bizrate
→ View All GemSelect Reviews on Bizrate
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