2M+ REVIEWS | 500+ NEW OPALS DAILY |
  • 4.60CTS BLACK OPAL [sd35]
  • 21.25 CTS FOSSIL BELEMNITE FO-456-fossil opals
  • Yowah nut formed in Red Flash Boulder Opal 29.3 carats PPP1624
  • 360 grams $20 EACH 42 BOULDER ROUGH CUTRM
  • 1.06 cts Black Opal Stone from Lighting Ridge
  • 23.48cts Natural Ethiopian Welo Opal / MMD5172
  • Beside the window on a rainy day.
    26.90 ct Black Crystal Gem Opal. Unbelievably Gorgeous!!!
  • 5.50 CTS BOULDER POLISHED STONE FROM WINTON [CS813]
  • 4.25 CTS TOP FIRE GEM BOULDER OPAL WINTON CS1797
  • N6 - 47.70 CTS Dark Opal Pair L.Ridge TBO-A4378 trueblueopals
  • 4.20 CTS OPAL RUB PRE FACED READY FOR POLISHING
  • 9.20CRTS LIGHTNING RIDGE RUBS [nw47]
  • N2 Black [Black Centered] Multicolour Gem Grade Cutters Seam
  • Larkins Fire' Australian Solid Opal Ring 14k Rose Gold 5.4g Sz 8.5 K83
  • 34.45CT Incredible HoneyComb Collector Quality Natural Ethiopian Welo Opal
  • HONEYCOMB 66.55cts, FULL RAINBOW FIRE Natural Ethiopian Welo Opal
  • 108.825 CT kit with 26 Rough Rainbow Iridescent Flash Colored in Rare Opals
  • 42,35 CT Crystalized Opal Stone Extra Lightning Natural Neon Green Rare
  • 15.00 cts Andamooka Matrix opal Natural -amazing Polish-cut in 1980S
  • 9.515 CRT AMAZING RAINBOW GRASS PAECOCK DELUXE COLOR PIN FIRE WELO OPAL-

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About Opal Auctions

Hi Welcome to Opal Auctions, the world's leading industry opal website for all your opal requirements. Our verified opal miners and sellers offer opals 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. 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.