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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
7.19ct Multicolor Black Opal, Oval, Opaque

7.19ct Multicolor Black Opal, Oval, Opaque

18 x 13 mm (calibrated)

$ 359.50

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16.35ct Multicolor Boulder Opal, Trillion, Translucent
Boulder Opal Product Video (744118)

16.35ct Multicolor Boulder Opal, Trillion, Translucent

23.8 x 15.4 mm

$ 81.75

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1.78ct Multicolor Opal, Oval, Opaque

1.78ct Multicolor Opal, Oval, Opaque

10 x 8 mm (calibrated)

$ 70.49

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1.22ct Multicolor Opal, Oval, Transparent
Opal Product Video (548042)

1.22ct Multicolor Opal, Oval, Transparent

9 x 7 mm (calibrated)

$ 366.00

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1.34ct Multicolor Opal, Oval, Opaque

1.34ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 48.24

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14.55ct Medium Green Cat's Eye Opal, Oval, Opaque

14.55ct Medium Green Cat's Eye Opal, Oval, Opaque

20 x 15 mm (calibrated)

$ 43.66

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2.37ct Multicolor Black Opal, Oval, Opaque

2.37ct Multicolor Black Opal, Oval, Opaque

13.2 x 9.6 mm

$ 83.19

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1.48ct Multicolor Opal, Oval, Transparent

1.48ct Multicolor Opal, Oval, Transparent

10 x 8 mm (calibrated)

$ 40.76

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2.40ctw Multicolor Opal, Oval, Translucent

2.40ctw Multicolor Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 82.68

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4.31ct Goldenrod Yellow Cat's Eye Opal, Oval, Opaque

4.31ct Goldenrod Yellow Cat's Eye Opal, Oval, Opaque

12.5 x 9.4 mm

$ 15.52

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30.92ct Earth Green Cat's Eye Opal, Oval, Opaque

30.92ct Earth Green Cat's Eye Opal, Oval, Opaque

25 x 18 mm (calibrated)

$ 92.76

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0.51ct Multicolor Opal, Oval, Opaque

0.51ct Multicolor Opal, Oval, Opaque

7.6 x 6 mm

$ 18.36

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0.99ct Multicolor Opal, Oval, Opaque

0.99ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 39.20

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13.03ct Multicolor Boulder Opal, Pear Shape, Opaque

13.03ct Multicolor Boulder Opal, Pear Shape, Opaque

22.4 x 13.3 mm

$ 78.18

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0.60ct Multicolor Opal, Oval, Opaque

0.60ct Multicolor Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 21.60

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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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2.54ctw Multicolor Black Opal, Oval, Opaque

2.54ctw Multicolor Black Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 100.58

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1.51ct Multicolor Opal, Oval, Opaque

1.51ct Multicolor Opal, Oval, Opaque

10 x 8 mm (calibrated)

$ 54.36

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6.79ct Earthy Green Cat's Eye Opal, Cushion, Opaque

6.79ct Earthy Green Cat's Eye Opal, Cushion, Opaque

12.6 x 11.2 mm

$ 13.58

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8.46ct Earth Green Cat's Eye Opal, Oval, Opaque

8.46ct Earth Green Cat's Eye Opal, Oval, Opaque

17.4 x 10.9 mm

$ 25.38

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34.61ct Multicolor Opal, Pear Shape, Opaque

34.61ct Multicolor Opal, Pear Shape, Opaque

33.4 x 24.3 mm

$ 124.60

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2.44ctw Multicolor Opal, Round, Transparent

2.44ctw Multicolor Opal, Round, Transparent

5 mm (calibrated)

$ 112.73

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3.39ct Multicolor Opal, Cushion, Transparent
Opal Product Video (505828)

3.39ct Multicolor Opal, Cushion, Transparent

12.4 x 8.5 mm

$ 93.97

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11.83ct Multicolor Opal, Pear Shape, Transparent
Opal Product Video (746953)

11.83ct Multicolor Opal, Pear Shape, Transparent

18.9 x 14.3 mm

$ 709.80

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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

Enjoyed shopping.

Posted By Chris in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I purchased from you before and I have never been disappointed. I always received what I expected and your products are very nice.

Posted By MVK 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

Have made 2 purchases so far from GemSelect and they have been amazing! Anytime I requested additional info, videos or pictures of a particular item, the response was always timely and helpful. This is a great place to buy, if you are looking for loose stones. Highly recommend!

Posted By Britnee Rose in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love the ability to choose from many options of shapes, gemstone type, color, and so forth. It is fun!

Posted By Geof in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Absolutely love the website, selection and products. Can you guys add a gemstones with inclusions tab. I like those it'd be nice to have them all in one place but i do understand it would be alot of work to go through and categorize them. Thank you anyways

Posted By The homie edgar in December, 2025
Source: Bizrate
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