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Opal Gemstones

Discover natural opal gemstones known for their unique play-of-color and endless variety.

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
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0.86ct Multicolor Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 45.41

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18.56ct Warm Green Cat's Eye Opal, Oval, Opaque

19.6 x 17.3 mm

$ 55.68

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3.94ct Multicolor Boulder Opal, Oval, Opaque

12.1 x 8.4 mm

$ 19.70

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1.17ct Multicolor Opal, Oval, Transparent

9.9 x 7.5 mm

$ 35.10

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0.89ct Multicolor Opal, Pear Shape, Translucent

9 x 6.4 mm

$ 26.81

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0.72ct Multicolor Opal, Marquise, Transparent

9.8 x 5 mm

$ 27.72

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1.27ct Multicolor Black Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 50.29

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0.78ct Bright Orange Fire Opal, Oval, Translucent

8 x 6 mm (calibrated)

$ 21.45

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0.56ct Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 20.16

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0.34ct Caramel Brown Chocolate Opal, Oval, Transparent

6.6 x 4.8 mm

$ 12.24

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6.73ct Multicolor Boulder Opal, Oval, Opaque

18.2 x 11.7 mm

$ 33.65

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13.28ct Multicolor Boulder Opal, Pear Shape, Opaque

26.7 x 13.9 mm

$ 79.68

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1.94ct Multicolor White Opal, Oval, Translucent

10.5 x 8.6 mm

$ 48.50

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1.58ct Multicolor Opal, Oval, Transparent

10.7 x 7.3 mm

$ 47.40

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6.16ct Multicolor Boulder Opal, Fancy, Opaque

16.7 x 9.7 mm

$ 36.96

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1.18ct Multicolor Black Opal, Oval, Translucent

10.1 x 7.4 mm

$ 35.40

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0.82ct Multicolor Opal, Round, Opaque

6.5 mm (calibrated)

$ 32.47

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1.30ct Multicolor Opal, Fancy, Translucent

9.5 x 5.7 mm

$ 43.68

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1.19ct Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 42.84

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0.93ctw Multicolor Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 36.83

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0.86ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 30.96

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14.76ct Multicolor Opal, Pear Shape, Transparent

17 x 17 mm (calibrated)

$ 442.80

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1.14ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 41.04

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17.39ct Multicolor Boulder Opal, Fancy, Translucent

23.5 x 16.7 mm

$ 86.95

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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 -> 9 star ratings

The website was easy to use and informative of the selection of stones it has. I quickly found the right stone for me.

Posted By Guero in March, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

Was very happy about the gems I have purchased and looking forward to my second order

Posted By Online Shopper in March, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Easy and good price

Posted By Bry_guy in March, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

I wish there were options for jewelry settings

Posted By Tim in May, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Everything was good, the purchase was what I expected and what they show is what you get.

Posted By Mr. 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
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