X
Gemstone Search

Your Details

Please fill in your email address

Please fill in a password

Forgot your password?

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
Turquoise
Violet
White Opal
Yellow Opal
Single
Pairs
Lots
Faceted
Cabochons
Clear All

1.94ctw Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 76.82

View Details

86.87ct Multicolor Opal, Oval, Transparent

39.8 x 33.9 mm

$ 6,080.90

View Details

15.66ct Multicolor Boulder Opal, Oval, Opaque

18.4 x 14.5 mm

$ 93.96

View Details

14.38ct Goldenrod Yellow Cat's Eye Opal, Oval, Opaque

17.2 x 13 mm

$ 51.77

View Details

0.58ct Multicolor Opal, Pear Shape, Transparent

7 x 5 mm (calibrated)

$ 17.40

View Details

0.72ctw Multicolor Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 28.51

View Details

1.35ctw Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 48.60

View Details

13.11ct Multicolor Black Opal, Oval, Opaque

22.8 x 17 mm

$ 655.50

View Details

0.94ctw Multicolor Opal, Oval, Transparent

7 x 5 mm (calibrated)

$ 310.20

View Details

1.22ct Multicolor Opal, Oval, Transparent

10 x 8 mm (calibrated)

$ 36.96

View Details

0.99ctw Multicolor Opal, Oval, Transparent

7 x 5 mm (calibrated)

$ 297.00

View Details

0.93ct Multicolor Opal, Pear Shape, Transparent

9 x 6 mm (calibrated)

$ 27.90

View Details

1.61ct Multicolor Black Opal, Oval, Opaque

14 x 10 mm (calibrated)

$ 80.50

View Details

0.50ct Multicolor Opal, Pear Shape, Transparent

7.5 x 5.2 mm

$ 15.00

View Details

1.72ct Multicolor Opal, Oval, Opaque

10 x 8 mm (calibrated)

$ 61.92

View Details

22.64ct Earthy Green Opal, Oval, Opaque

24.8 x 13.7 mm

$ 58.42

View Details

0.83ct Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 29.88

View Details

7.64ct Multicolor Black Opal, Pear Shape, Translucent

19.4 x 13 mm

$ 275.04

View Details

0.72ct Multicolor Opal, Oval, Opaque

8.6 x 5.3 mm

$ 23.76

View Details

0.49ct Multicolor Opal, Fancy, Translucent

8.4 x 5.8 mm

$ 13.72

View Details

1.02ct Multicolor Opal, Fancy, Translucent

12.1 x 6.8 mm

$ 28.56

View Details

29.81ct Multicolor Opal, Round, Opaque

26 mm

$ 107.32

View Details

18.52ct Medium Green Cat's Eye Opal, Oval, Opaque

18.2 x 17.2 mm

$ 55.56

View Details

2.33ctw Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 83.88

View Details

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

The website has a good selection, the interface is very intuitive.

Posted By PhoenixFeatherJewelry in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

All good

Posted By DouscheGift in August, 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

If you have motion picture, then I will be more satisfied with.

Posted By Ray in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I feel Gemselect is a trustworthy company to buy from

Posted By Becky in October, 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
Enlarged Gemstone Image