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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
1.05ct Multicolor Opal, Oval, Transparent

1.05ct Multicolor Opal, Oval, Transparent

9 x 7 mm (calibrated)

$ 37.80

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0.75ct Multicolor Opal, Oval, Opaque

0.75ct Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 27.00

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3.78ct Multicolor Opal, Oval, Transparent

3.78ct Multicolor Opal, Oval, Transparent

14 x 10 mm (calibrated)

$ 204.12

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0.77ct Multicolor Opal, Oval, Opaque

0.77ct Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 27.72

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6.92ct Multicolor Black Opal, Trillion, Opaque
Black Opal Product Video (744007)

6.92ct Multicolor Black Opal, Trillion, Opaque

18 x 13 mm (calibrated)

$ 346.00

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5.66ct Multicolor Black Opal, Sphere / Ball, Opaque

5.66ct Multicolor Black Opal, Sphere / Ball, Opaque

11 mm (calibrated)

$ 203.76

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1.41ct Fire Orange Opal, Round, Translucent

1.41ct Fire Orange Opal, Round, Translucent

8 mm (calibrated)

$ 44.93

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1.48ct Multicolor Opal, Oval, Translucent

1.48ct Multicolor Opal, Oval, Translucent

9.4 x 7.6 mm

$ 44.40

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3.54ct Multicolor Opal, Oval, Transparent

3.54ct Multicolor Opal, Oval, Transparent

14 x 10 mm (calibrated)

$ 107.22

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21.92ct Earth Green Cat's Eye Opal, Oval, Opaque

21.92ct Earth Green Cat's Eye Opal, Oval, Opaque

21.8 x 17 mm

$ 65.76

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2.16ct Multicolor White Opal, Pear Shape, Transparent

2.16ct Multicolor White Opal, Pear Shape, Transparent

12.3 x 8.4 mm

$ 65.45

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1.12ct Multicolor Black Opal, Oval, Translucent

1.12ct Multicolor Black Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 33.60

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1.00ct Multicolor Opal, Oval, Transparent

1.00ct Multicolor Opal, Oval, Transparent

8.4 x 5.5 mm

$ 25.00

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1.01ct Multicolor Opal, Round, Transparent

1.01ct Multicolor Opal, Round, Transparent

7 mm (calibrated)

$ 29.87

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21.88ct Earth Green Cat's Eye Opal, Oval, Opaque

21.88ct Earth Green Cat's Eye Opal, Oval, Opaque

24.6 x 16.8 mm

$ 65.64

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2.96ct Multicolor Opal, Oval, Transparent

2.96ct Multicolor Opal, Oval, Transparent

11.7 x 9.5 mm

$ 89.69

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1.10ct Multicolor Opal, Round, Translucent

1.10ct Multicolor Opal, Round, Translucent

7 mm (calibrated)

$ 32.54

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1.05ct Multicolor Opal, Pear Shape, Transparent

1.05ct Multicolor Opal, Pear Shape, Transparent

9 x 6 mm (calibrated)

$ 31.50

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1.14ct Multicolor Opal, Oval, Opaque

1.14ct Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 41.04

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16.50ct Yellowish Green Opal, Oval, Opaque

16.50ct Yellowish Green Opal, Oval, Opaque

18 x 13 mm (calibrated)

$ 42.58

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0.61ct Intense Orange Fire Opal, Oval, Translucent

0.61ct Intense Orange Fire Opal, Oval, Translucent

8 x 6 mm (calibrated)

$ 20.14

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11.61ct Multicolor Boulder Opal, Fancy, Opaque

11.61ct Multicolor Boulder Opal, Fancy, Opaque

18.8 x 12.3 mm

$ 41.80

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7.48ct Multicolor Boulder Opal, Pear Shape, Opaque

7.48ct Multicolor Boulder Opal, Pear Shape, Opaque

16 x 12 mm (calibrated)

$ 62.83

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5.98ct Light Earthy Yellow Cat's Eye Opal, Oval, Opaque

5.98ct Light Earthy Yellow Cat's Eye Opal, Oval, Opaque

13 x 11 mm (calibrated)

$ 21.53

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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

A pleasant experience and many choices to choose from

Posted By Krackenking in November, 2025
Source: Bizrate

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 -> 9 star ratings

Will know more once order received

Posted By Jim in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Love, and have always loved, your website.

Posted By Aberabic in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Great site for finding specific stones and sizes for individual pieces of jewelry

Posted By Designer in December, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

It was great!

Posted By Annie in September, 2025
Source: Bizrate
→ View All GemSelect Reviews on Bizrate
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