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Home › Gemstones › Opal

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
0.77ct Multicolor Black Opal, Emerald Cut, Opaque

0.77ct Multicolor Black Opal, Emerald Cut, Opaque

8.2 x 6.4 mm

$ 19.75

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0.48ct Multicolor Opal, Oval, Opaque

0.48ct Multicolor Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 14.34

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1.59ct Multicolor Opal, Oval, Transparent

1.59ct Multicolor Opal, Oval, Transparent

10.6 x 7.9 mm

$ 39.59

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0.89ct Multicolor Chocolate Opal, Oval, Translucent

0.89ct Multicolor Chocolate Opal, Oval, Translucent

8 x 6 mm (calibrated)

$ 26.59

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12.25ct Multicolor Boulder Opal, Fancy, Opaque
Boulder Opal Product Video (628410)

12.25ct Multicolor Boulder Opal, Fancy, Opaque

30.2 x 15.8 mm

$ 61.01

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0.75ct Orange Fire Opal, Oval, Translucent

0.75ct Orange Fire Opal, Oval, Translucent

8 x 6 mm (calibrated)

$ 18.68

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3.78ct Multicolor Black Opal, Pear Shape, Opaque

3.78ct Multicolor Black Opal, Pear Shape, Opaque

15 x 10 mm (calibrated)

$ 156.87

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1.44ct Multicolor Opal, Pear Shape, Opaque

1.44ct Multicolor Opal, Pear Shape, Opaque

10 x 7 mm (calibrated)

$ 36.01

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1.47ct Multicolor Opal, Pear Shape, Transparent

1.47ct Multicolor Opal, Pear Shape, Transparent

11.3 x 7.8 mm

$ 62.96

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11.81ct Green Opal, Oval, Opaque

11.81ct Green Opal, Oval, Opaque

17.9 x 13.7 mm

$ 25.29

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0.64ct Multicolor Opal, Trillion, Opaque

0.64ct Multicolor Opal, Trillion, Opaque

6.9 x 6.5 mm

$ 21.03

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0.93ct Multicolor Opal, Pear Shape, Transparent

0.93ct Multicolor Opal, Pear Shape, Transparent

9 x 6 mm (calibrated)

$ 23.16

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5.03ct Multicolor Chocolate Opal, Round, Transparent

5.03ct Multicolor Chocolate Opal, Round, Transparent

14 mm (calibrated)

$ 125.25

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1.51ct Multicolor Opal, Oval, Transparent

1.51ct Multicolor Opal, Oval, Transparent

10 x 8 mm (calibrated)

$ 58.50

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1.18ct Multicolor Black Opal, Oval, Opaque

1.18ct Multicolor Black Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 31.03

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2.44ct Multicolor Black Opal, Oval, Opaque

2.44ct Multicolor Black Opal, Oval, Opaque

13 x 9 mm (calibrated)

$ 71.08

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12.72ct Green Opal, Oval, Opaque

12.72ct Green Opal, Oval, Opaque

17.9 x 14.4 mm

$ 22.70

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2.40ct Multicolor Black Opal, Oval, Translucent

2.40ct Multicolor Black Opal, Oval, Translucent

11.9 x 9.3 mm

$ 59.76

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1.42ct Multicolor Opal, Oval, Opaque

1.42ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 42.43

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1.88ct Multicolor Opal, Oval, Translucent

1.88ct Multicolor Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 42.28

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0.89ct Multicolor Opal, Pear Shape, Translucent

0.89ct Multicolor Opal, Pear Shape, Translucent

9 x 6.4 mm

$ 22.25

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17.55ct Multicolor Boulder Opal, Fancy, Opaque
Boulder Opal Product Video (365230)

17.55ct Multicolor Boulder Opal, Fancy, Opaque

19.4 x 13.3 mm

$ 134.60

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0.70ct Orange Fire Opal, Oval, Translucent

0.70ct Orange Fire Opal, Oval, Translucent

8 x 6 mm (calibrated)

$ 19.17

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2.61ct Multicolor Opal, Oval, Translucent

2.61ct Multicolor Opal, Oval, Translucent

15.1 x 9.2 mm

$ 65.84

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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 process.

Posted By Crafty Seabee in March, 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

Easy picking, fast checkout, secure shipping. Cana't ask for anything more than efficiency and a good price.

Posted By Beman in September, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

Site worked well and helped me find a rock that matched what I was looking for. Well within budget and I trust it will show up, so that's definitely positive. Not much else to it. Satisfied.

Posted By Big Ricky in May, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

Easy to use. Many options to find the right gemstone

Posted By Liz in May, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I am filling a small treasure chest and picked a nice amethyst.

Posted By VinnyD in August, 2025
Source: Bizrate
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