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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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21.84ct Medium Green Cat's Eye Opal, Oval, Opaque

22.2 x 14.9 mm

$ 65.52

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0.52ct Multicolor Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 18.72

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13.11ct Multicolor Black Opal, Oval, Opaque

22.8 x 17 mm

$ 655.50

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9.69ct Yellowish Green Cat's Eye Opal, Cushion, Opaque

13.8 x 11.2 mm

$ 19.38

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4.00ct Multicolor Black Opal, Cushion, Opaque

17.9 x 8.5 mm

$ 144.00

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6.04ct Medium Gold Cat's Eye Opal, Oval, Opaque

14 x 9 mm (calibrated)

$ 21.74

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4.97ct Multicolor Opal, Oval, Translucent

13 x 11 mm (calibrated)

$ 149.10

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2.15ct Multicolor Opal, Oval, Transparent

11.8 x 8.6 mm

$ 64.50

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0.63ct Multicolor Chocolate Opal, Oval, Opaque

7.2 x 5.3 mm

$ 22.68

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1.15ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 41.40

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1.02ct Multicolor Opal, Fancy, Translucent

12.1 x 6.8 mm

$ 28.56

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1.32ct Multicolor Opal, Fancy, Translucent

8 x 6 mm (calibrated)

$ 44.35

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1.21ct Multicolor Opal, Oval, Transparent

9 x 7 mm (calibrated)

$ 36.30

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1.82ct Multicolor Opal, Oval, Opaque

11 x 7.4 mm

$ 65.52

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15.08ct Warm Green Opal, Oval, Opaque

17.1 x 15.8 mm

$ 38.90

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1.71ct Multicolor Opal, Fancy, Translucent

12.2 x 8.8 mm

$ 57.46

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1.68ct Multicolor Opal, Marquise, Transparent

16.2 x 6.7 mm

$ 70.56

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0.74ct Multicolor Opal, Oval, Translucent

8.1 x 6.3 mm

$ 38.18

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42.66ct Multicolor Boulder Opal, Cushion, Opaque

23.8 x 21.8 mm

$ 255.96

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1.24ct Multicolor Black Opal, Pear Shape, Opaque

11 x 7.7 mm

$ 38.30

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1.30ct Multicolor Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 68.64

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1.11ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 39.96

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5.56ct Multicolor Boulder Opal, Fancy, Opaque

20.2 x 10 mm

$ 27.80

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1.36ct Multicolor Opal, Pear Shape, Transparent

10 x 7 mm (calibrated)

$ 40.80

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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

Easy and good price

Posted By Bry_guy in March, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Easy to use website

Posted By Mel in February, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

selection was broad and the check out was quick. Great site

Posted By JC Karl in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It's always a pleasure doing business with Gem Select. Outstanding products ant very reasonable prices. Thank You One and All.

Posted By G.W. or Bakyow in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

All good

Posted By DouscheGift in August, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

I visited several online loose stone shops trying to find rare stones. I finally found one that I've been looking for here, and very satisfied. Looking forward to receive the item in 3 weeks.

Posted By Atsu in December, 2025
Source: Bizrate
Enlarged Gemstone Image