SHOP 100,000+ BUY IT NOW OPALS
OR TRY OUR AUCTIONS WITH NO BUYERS FEES
100% NATURAL OPALS & VERIFIED SELLERS
Black Opal Gemma AI Opal 101
Banner

What Our Customers Are Saying

5 stars

"These opal strand is so perfect, exactly as described! seller was very helpfull and gave me a great service with shipment. Thank you!"

5 stars

"This is by far the most impressive opal I have ever purchased. This company is over the top with their quality and I am absolutely in love with this opal!"

5 stars

"Pretty little stone and as described. Arrived yesterday, very fast shipping. Highly recommendation! Thank you!"

Private Listing 32.3 Ct - Amazing Rainbow Prisms Ethiopian Welo Opal
2.81ct Lightning Ridge Dark Opal FM1483
2.69ct Lightning Ridge Black Opal FM1628
Opal fossil plate
9.30 CTS RED BOULDER OPAL RING STONE
Cascarilla' 14k Rare Pattern Australian Opal Ring 2.8g Free Re-Size O23
18K Gold Italian Tennis Bracelet with Australian Black opal tw 7.9 grams
Kuro Niji' Australian Opal Pendant 14k Gold Doublet Gift 6.5ct O08
El Dorado' Genuine Australian Opal Pendant 14k Gem Gift 4.5ct O44
6000Cts-Lightning Ridge Opal Rough Parcel DT-B1997 ws dreamtimeopals
2.80CTS LIGHTNING RIDGE OPAL [cgg7]
401 GRAM GAMBLE COOBER PEDY ROUGH
1.36cts Boulder Opal Stone AF110
Midnight Blue Black Opal Pendant 18k Gold J2401
10.46 CTS BLACK OPAL STONE-TOP Featured in Paul's book "OPAL PASSION"
7.20CT COOBER PEDY 'RHODIUM PLATED' PENDANT WITH SILVER NECKLACE TB923
4.9 cts Boulder Opal Stone INV-2516 INVESTMENTOPALS
15.47ct Lightning Ridge Black Opal FM1363
0.60CT GEM BLACK OPAL LIGHTNING RIDGE TB226
23.9CTS Koroit Opal Picture Stone NC- A1197 /// Niceopals

Join Our Newsletter

* indicates required

Explore the World's Premier Opal Marketplace

Why Choose Opal Auctions

Opal Auctions is the world's leading industry opal website for all your opal requirements. Our verified opal miners and sellers offer opals for sale direct from rough opals, opal specimens and a massive range of opal stones to opal jewelry from all corners of the world.

We have over 140 approved opal sellers from over 2 dozen countries. Our sellers offer opals on a level playing field and have the industry's most up to date information in the opal Encyclopedia, helping you buy opals with confidence. We also keep abreast of all the latest gemological information about opals.

We strongly support the opal mining industry and members of opal associations worldwide.

All sellers on Opal Auctions must comply with our Verified Sellers program which ensures a high degree of industry knowledge, consistent refund policy and pricing.

The Opal Sheriff program allows our members to request an audit on any item, which is completed by an independent Gemologist who assesses the accuracy of the item description and pictures.

FAQs

Everything you need to know about buying genuine opals and jewellery on our marketplace.

Where can I find genuine opals for sale online?

You can explore thousands of verified opals for sale right here on our marketplace. We connect buyers directly with trusted sellers from around the world, including Australia, the USA and Ethiopia. Every listing includes detailed descriptions, multiple photos and authenticity verification, so you can confidently buy opals online with complete transparency.

How do I know the opal I buy is genuine?

We take authenticity seriously. All sellers on our platform are part of our Verified Seller Program, which ensures that only natural, earth-mined opals are listed. In addition, our unique Opal Sheriff Program allows you to request an independent audit by a qualified gemologist. This system guarantees that item descriptions and images are accurate and that you always receive what you paid for.

Can I buy opals directly from miners or cutters?

Yes! Our marketplace connects you directly with opal miners and cutters from around the world. This gives you access to raw and polished stones as well as rare finds like the black opal and boulder opal sourced straight from the mine. It’s one of the most exciting and direct ways to buy opals while supporting small-scale miners and artisans.

Do you sell ready-made opal jewellery?

Absolutely. You can discover a stunning range of handcrafted opal jewellery, including rings, pendants, earrings and necklaces. Each piece highlights the natural brilliance of the stone and is made by skilled jewellers from around the world.

What should I consider when buying opal jewellery?

When choosing opal jewellery, consider the type of opal, colour play, setting and metal type. Australian black opals tend to have darker, more intense flashes, while Ethiopian and crystal opals show brighter transparency. Always check product photos, read the description carefully and buy from a verified seller to ensure quality and authenticity.

Are custom opal jewellery pieces available?

Yes, some sellers offer custom design services. You can contact them directly through their listings to discuss a bespoke design or modification. Whether you want to set your opal into a gold pendant or design a pair of matching black opal pairs, you can collaborate with expert jewellers to create something unique.

How do I buy an opal on this website?

Buying is simple. Once you’ve found the opal you love, click “Place Bid” to join an auction or “Add To Cart” to check out and purchase immediately. You’ll need to register for an account and verify your payment details before bidding. This ensures every bid placed is legitimate and keeps the marketplace secure.

What payment methods are accepted?

All Verified Sellers accept one or more of the following methods: GemPay, Credit Card or PayPal. GemPay is our preferred payment method, it’s secure, transparent and fast. Payments must be completed within three days of an auction being won or an offer being accepted. During checkout, you can select your shipping provider, add optional insurance and confirm tax details.

Do you offer international shipping for opals?

Yes. Our sellers ship worldwide, and you’ll see the exact postage cost listed on each auction page. Rates vary depending on the seller’s location and the shipping carrier used. For peace of mind, we highly recommend adding postal insurance to protect your order against loss or damage. Tariff or duty fees may apply depending on your country’s import laws.

What is the return policy if I’m not happy with my opal?

All sellers on our site offer a seven-day return policy when you buy opals or opal jewellery. If you’re not 100% satisfied with your purchase, you may return the product for a refund. Items must be in original condition with all boxes, packaging and documentation. Buyers are responsible for return shipping costs, and we strongly recommend using insured postage with proof of delivery. Sellers are not authorised to charge restocking fees.