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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 Opal
Gray
Green Opal
Multicolor Opal
Orange Opal
Pink
Purple
Red
Turquoise
Violet
White Opal
Yellow Opal
Single
Pairs
Lots
Faceted
Cabochons
Clear All
1.54ctw Multicolor Opal, Oval, Opaque

1.54ctw Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 50.61

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5.56ct Multicolor Boulder Opal, Fancy, Opaque

5.56ct Multicolor Boulder Opal, Fancy, Opaque

20.2 x 10 mm

$ 23.07

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14.20ct Green Opal, Oval, Opaque

14.20ct Green Opal, Oval, Opaque

17.3 x 14.5 mm

$ 25.34

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1.28ct Multicolor Black Opal, Oval, Opaque

1.28ct Multicolor Black Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 33.66

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0.95ctw Multicolor Opal, Oval, Transparent

0.95ctw Multicolor Opal, Oval, Transparent

7 x 5 mm (calibrated)

$ 236.55

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2.19ctw Multicolor Opal, Oval, Opaque

2.19ctw Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 71.98

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0.84ct Multicolor Chocolate Opal, Oval, Opaque

0.84ct Multicolor Chocolate Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 25.10

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3.24ct Green Opal, Round, Opaque

3.24ct Green Opal, Round, Opaque

10 mm (calibrated)

$ 7.52

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1.36ct Multicolor Opal, Pear Shape, Transparent

1.36ct Multicolor Opal, Pear Shape, Transparent

10 x 7 mm (calibrated)

$ 30.12

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18.52ct Green Opal, Cushion, Opaque

18.52ct Green Opal, Cushion, Opaque

18.2 x 17.2 mm

$ 42.97

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10.18ct Green Opal, Oval, Opaque

10.18ct Green Opal, Oval, Opaque

20.1 x 13.2 mm

$ 23.62

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14.45ct Multicolor Boulder Opal, Oval, Opaque

14.45ct Multicolor Boulder Opal, Oval, Opaque

20 x 15 mm (calibrated)

$ 71.96

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18.42ct Multicolor Boulder Opal, Fancy, Opaque

18.42ct Multicolor Boulder Opal, Fancy, Opaque

22.4 x 14.5 mm

$ 91.73

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3.19ctw Multicolor Opal Doublet, Pear Shape, Opaque

3.19ctw Multicolor Opal Doublet, Pear Shape, Opaque

13.3 x 6.7 mm

$ 94.76

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0.64ct Multicolor Opal, Pear Shape, Transparent

0.64ct Multicolor Opal, Pear Shape, Transparent

8 x 5 mm (calibrated)

$ 15.94

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0.45ct Multicolor Opal, Pear Shape, Transparent

0.45ct Multicolor Opal, Pear Shape, Transparent

7.7 x 4.9 mm

$ 11.21

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0.80ct Multicolor Opal, Oval, Opaque

0.80ct Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 23.90

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1.02ct Multicolor Opal, Oval, Opaque

1.02ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 30.48

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1.17ct Multicolor Opal, Oval, Opaque

1.17ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 38.45

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19.38ct Multicolor Opal, Oval, Opaque

19.38ct Multicolor Opal, Oval, Opaque

23 x 16.6 mm

$ 57.91

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1.41ct Multicolor Opal, Oval, Translucent

1.41ct Multicolor Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 34.88

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1.22ct Multicolor Chocolate Opal, Oval, Opaque

1.22ct Multicolor Chocolate Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 36.45

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54.71ct Multicolor Boulder Opal, Oval, Opaque
Boulder Opal Product Video (322038)

54.71ct Multicolor Boulder Opal, Oval, Opaque

27.3 x 23.3 mm

$ 419.58

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5.81ct Yellow Cat'S Eye Opal, Oval, Opaque

5.81ct Yellow Cat'S Eye Opal, Oval, Opaque

14 x 10 mm (calibrated)

$ 17.36

View Gem

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 -> 9 star ratings

The purchasing process is fairly quick and straightforward and for me user friendly so it probably took more or less than 3 minutes to purchase and pay for the items. I wish there was a discount offer for multiple items to encourage us buyers to purchase more an incentive and add more sales in your end. Besides that, it's been a great purchasing experience and will continue to shop as I am a repeat customer and have bought from your store many times before. Thank you.

Posted By Emmanuel in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Web site is very simple to navigate Selection is terrific

Posted By ToRa.62 in April, 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

Took a chance on purchasing my gemstones from Gemselect and was impressed. 10/10

Posted By KT in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Love the precise descriptions and calibrations of hte loose gemstones. Would like to have seen more variety in the size gem I was looking for.

Posted By RenoRose in January, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

Ita's a pretty good and simple way to find gems that youa're looking for amazing selection

Posted By Amman in May, 2026
Source: Bizrate
→ View All GemSelect Reviews on Bizrate
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