Welcome to Opal Endeavours
Natural Australian Boulder Opal & Opal Jewellery
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    • What is Boulder Opal?
    • Australian Opals
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    • A Short Guide to Buying Opals
    • Boulder Opal – Uniquely Queensland
    • Interesting facts about Opal
    • Opal Formation Theory
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    • Pendants & Necklaces
      • STERLING SILVER
      • 9K GOLD
      • 14K GOLD
      • 18K GOLD
    • Drilled Boulder Opal
    • Sandstone Matrix Opal
    • Rings, Earrings & Cufflinks
      • 18K YELLOW GOLD
      • 14K YELLOW GOLD
      • 9K YELLOW GOLD
      • STERLING SILVER
    • Unset Australian Opal
      • LESS THAN $100
      • LESS THAN $500
      • LESS THAN $1000
      • MORE THAN $1001
    • Pipe Opal Gems
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Products

  • Drilled Boulder Opal Pendant USD$42.04
  • Natural Australian Boulder Opal, 4.55cts - 16523 USD$45.86
  • Rare Genuine Wood Replacement Boulder Opal P542 USD$68.79
  • Natural Australian Boulder Opal on Stainless Steel USD$30.58
  • Multicoloured Polished Australian Boulder Opal, 2.40cts - S684 USD$84.08

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CONTACT

Opal Endeavours
PO Box 103,
Redbank,
QLD 4301
AUSTRALIA
Mobile: (0428) 181 609 (Australia)

ABOUT OPAL ENDEAVOURS

Originally established in 1990, Opal Endeavours obtained its first mine in 1996. The company professionally cuts and polishes the stones to supply wholesalers and the jewellery trade as well as directly to the public.
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© 2026 Opal Endeavours. All Rights Reserved.

  • Home
  • About
    • What is Boulder Opal?
    • Australian Opals
    • Types of Australian Opal
    • A Short Guide to Buying Opals
    • Boulder Opal – Uniquely Queensland
    • Interesting facts about Opal
    • Opal Formation Theory
  • Categories
    • Pendants & Necklaces
      • STERLING SILVER
      • 9K GOLD
      • 14K GOLD
      • 18K GOLD
    • Drilled Boulder Opal
    • Sandstone Matrix Opal
    • Rings, Earrings & Cufflinks
      • 18K YELLOW GOLD
      • 14K YELLOW GOLD
      • 9K YELLOW GOLD
      • STERLING SILVER
    • Unset Australian Opal
      • LESS THAN $100
      • LESS THAN $500
      • LESS THAN $1000
      • MORE THAN $1001
    • Pipe Opal Gems
    • Super specials
    • Sold Items
  • Shop
    • Cart
    • Checkout
    • My Account
    • Product Search
    • Terms & Conditions
    • Shipping & Delivery
    • Payment Options
    • FAQ
  • Log In
  • Contact Us