3 Mile Design | Premium Australian Opals & Fine Gemstones | Lightning Ridge
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Coming Soon

The Trade Room

A private, invite-only marketplace where opal cutters and jewellers trade rough, cabs and finished pieces peer-to-peer. Live-streamed auctions. Direct-to-cutter listings. Zero middlemen.

  • Peer-to-peer buy-now listings + accepting offers
  • Live auctions with real-time bidding
  • Certified sellers only — every stone verified
  • Direct DM with the cutter behind the stone

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