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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
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19.78ct Medium Gold Cat's Eye Opal, Oval, Opaque

19.78ct Medium Gold Cat's Eye Opal, Oval, Opaque

23.7 x 17.3 mm

$ 71.21

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1.02ct Multicolor Opal, Oval, Transparent

1.02ct Multicolor Opal, Oval, Transparent

9 x 7 mm (calibrated)

$ 56.54

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1.27ct Multicolor Opal, Oval, Opaque

1.27ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 45.72

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7.95ct Multicolor Boulder Opal, Oval, Opaque

7.95ct Multicolor Boulder Opal, Oval, Opaque

18.3 x 9.9 mm

$ 66.78

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39.95ct Multicolor Boulder Opal, Sphere / Ball, Opaque
Boulder Opal Product Video (469563)

39.95ct Multicolor Boulder Opal, Sphere / Ball, Opaque

17.6 mm

$ 239.70

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0.74ct Multicolor Black Opal, Oval, Translucent

0.74ct Multicolor Black Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 29.30

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1.14ct Multicolor Opal, Oval, Opaque

1.14ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 41.04

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4.26ct Multicolor Black Opal, Round, Opaque
Black Opal Product Video (746033)

4.26ct Multicolor Black Opal, Round, Opaque

12 mm (calibrated)

$ 149.53

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1.46ct Multicolor Black Opal, Oval, Opaque

1.46ct Multicolor Black Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 57.82

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1.35ct Multicolor Opal, Emerald Cut, Transparent

1.35ct Multicolor Opal, Emerald Cut, Transparent

11.5 x 6.6 mm

$ 72.90

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0.65ct Multicolor Opal, Pear Shape, Transparent

0.65ct Multicolor Opal, Pear Shape, Transparent

8 x 5 mm (calibrated)

$ 19.50

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3.02ct Multicolor Opal, Oval, Transparent

3.02ct Multicolor Opal, Oval, Transparent

14 x 9 mm (calibrated)

$ 90.60

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2.72ct Golden Brown Cat's Eye Opal, Oval, Translucent

2.72ct Golden Brown Cat's Eye Opal, Oval, Translucent

10 x 7 mm (calibrated)

$ 17.95

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0.50ct Multicolor Chocolate Opal, Oval, Translucent

0.50ct Multicolor Chocolate Opal, Oval, Translucent

7.2 x 4.7 mm

$ 18.00

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18.73ct Multicolor Boulder Opal, Fancy, Opaque

18.73ct Multicolor Boulder Opal, Fancy, Opaque

23.5 x 20.1 mm

$ 123.62

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2.61ct Multicolor Opal, Oval, Translucent

2.61ct Multicolor Opal, Oval, Translucent

15.1 x 9.2 mm

$ 79.33

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6.16ct Multicolor Boulder Opal, Fancy, Opaque

6.16ct Multicolor Boulder Opal, Fancy, Opaque

16.7 x 9.7 mm

$ 36.96

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1.58ct Multicolor Opal, Fancy, Opaque

1.58ct Multicolor Opal, Fancy, Opaque

10.5 x 7.8 mm

$ 53.09

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1.61ct Multicolor Opal, Oval, Transparent

1.61ct Multicolor Opal, Oval, Transparent

11.2 x 7.9 mm

$ 89.26

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1.85ct Multicolor Opal, Pear Shape, Translucent

1.85ct Multicolor Opal, Pear Shape, Translucent

12 x 8 mm (calibrated)

$ 97.68

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4.67ct Multicolor Black Opal, Oval, Opaque

4.67ct Multicolor Black Opal, Oval, Opaque

13.9 x 11.2 mm

$ 163.92

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0.71ct Multicolor Chocolate Opal, Oval, Translucent

0.71ct Multicolor Chocolate Opal, Oval, Translucent

8 x 6 mm (calibrated)

$ 28.12

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0.54ct Multicolor Opal, Pear Shape, Transparent

0.54ct Multicolor Opal, Pear Shape, Transparent

7 x 5 mm (calibrated)

$ 16.20

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1.06ct Multicolor Opal, Emerald Cut, Transparent

1.06ct Multicolor Opal, Emerald Cut, Transparent

11.4 x 5.7 mm

$ 57.24

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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

I love the gems and your website, every time I want to buy I usually spend between 6 and 8 hours on your website.

Posted By Bryan De David in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Site is easy to navigate and the variety is great and how often new products are added is also great.

Posted By Jhidron in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Love how easy the site is to use. Really love that the pictures are of actual product.

Posted By LeAnn in January, 2026
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

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

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
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