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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
Turquoise
Violet
White Opal
Yellow Opal
Single
Pairs
Lots
Faceted
Cabochons
Clear All
19.94ct Multicolor Boulder Opal, Marquise, Opaque

19.94ct Multicolor Boulder Opal, Marquise, Opaque

36.4 x 16.3 mm

$ 131.60

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36.33ct Multicolor Opal, Oval, Opaque
Opal Product Video (667939)

36.33ct Multicolor Opal, Oval, Opaque

32.2 x 22.5 mm

$ 130.79

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4.38ct Multicolor Opal, Trillion, Translucent

4.38ct Multicolor Opal, Trillion, Translucent

12.5 x 12.3 mm

$ 131.40

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4.57ct Medium Gold Cat's Eye Opal, Oval, Opaque

4.57ct Medium Gold Cat's Eye Opal, Oval, Opaque

12.2 x 9 mm

$ 30.17

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21.39ct Multicolor Boulder Opal, Cushion, Opaque
Boulder Opal Product Video (626298)

21.39ct Multicolor Boulder Opal, Cushion, Opaque

16 x 16 mm (calibrated)

$ 197.64

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6.20ct Golden Orange Cat's Eye Opal, Oval, Opaque

6.20ct Golden Orange Cat's Eye Opal, Oval, Opaque

14.8 x 11.8 mm

$ 18.60

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20.55ct Multicolor Boulder Opal, Pear Shape, Opaque

20.55ct Multicolor Boulder Opal, Pear Shape, Opaque

31.9 x 16.1 mm

$ 135.64

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50.36ct Multicolor Opal, Oval, Opaque

50.36ct Multicolor Opal, Oval, Opaque

36.9 x 27 mm

$ 151.08

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1.43ctw Multicolor Opal, Oval, Opaque

1.43ctw Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 47.19

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0.64ct Multicolor Chocolate Opal, Round, Translucent

0.64ct Multicolor Chocolate Opal, Round, Translucent

6 mm (calibrated)

$ 21.12

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1.90ct Multicolor Chocolate Opal, Oval, Translucent

1.90ct Multicolor Chocolate Opal, Oval, Translucent

13 x 9 mm (calibrated)

$ 75.24

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30.94ct Multicolor Boulder Opal, Fancy, Opaque
Boulder Opal Product Video (521754)

30.94ct Multicolor Boulder Opal, Fancy, Opaque

25.4 x 20.1 mm

$ 204.20

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17.29ct Multicolor Boulder Opal, Fancy, Opaque

17.29ct Multicolor Boulder Opal, Fancy, Opaque

27 x 17.2 mm

$ 114.12

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34.16ct Multicolor Boulder Opal, Oval, Opaque
Boulder Opal Product Video (410119)

34.16ct Multicolor Boulder Opal, Oval, Opaque

23.4 x 19.6 mm

$ 316.10

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2.74ct Multicolor Opal, Pear Shape, Translucent

2.74ct Multicolor Opal, Pear Shape, Translucent

12 x 9.1 mm

$ 69.05

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

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

10.4 x 8.6 mm

$ 12.35

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31.09ct Warm Green Cat's Eye Opal, Baguette, Opaque

31.09ct Warm Green Cat's Eye Opal, Baguette, Opaque

23.7 x 16.6 mm

$ 93.28

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1.26ct Multicolor Opal, Oval, Translucent
Opal Product Video (503728)

1.26ct Multicolor Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 36.59

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1.85ct Multicolor Opal Doublet, Pear Shape, Opaque

1.85ct Multicolor Opal Doublet, Pear Shape, Opaque

14.7 x 7.5 mm

$ 48.84

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3.04ctw Multicolor Opal, Round, Transparent

3.04ctw Multicolor Opal, Round, Transparent

6.5 mm (calibrated)

$ 85.51

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0.32ct Multicolor Opal, Oval, Translucent
Opal Product Video (505384)

0.32ct Multicolor Opal, Oval, Translucent

6 x 4 mm (calibrated)

$ 8.91

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1.56ct Dark Brown Chocolate Opal, Oval, Opaque

1.56ct Dark Brown Chocolate Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 56.16

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1.36ct Multicolor Opal, Pear Shape, Translucent

1.36ct Multicolor Opal, Pear Shape, Translucent

10 x 8 mm (calibrated)

$ 37.70

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1.08ct Multicolor Opal, Oval, Transparent

1.08ct Multicolor Opal, Oval, Transparent

9 x 7 mm (calibrated)

$ 32.20

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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

Good. I ts very user friendly.

Posted By Shalini in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

On the clarity options it goes "and better" so if youre looking for si specifically and you click si and better it still shows you basically everything. It just removes the opaques. Itd be nice if it was vs only, vss only, si only, etc

Posted By Iamnotakrustykrab in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

IT WAS GREAT SIMPLE I WAS ABLE TO MAKE AN ACCOUNT EASY AND WAS ABLE TO FAVORITE ALL OF MY FINAL SELECTED GEMS, I JUST LOVE IT.

Posted By YE in October, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Been using them for years! Very satisfied with the products.

Posted By PI SC in May, 2025
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 can pick and choose from large selection and find just what I need for .y projects, currently my cane.

Posted By Darkstar731 in July, 2025
Source: Bizrate
→ View All GemSelect Reviews on Bizrate
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