Welcome to Opal Endeavours
Natural Australian Boulder Opal & Opal Jewellery
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    • What is Boulder Opal?
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    • A Short Guide to Buying Opals
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    • Opal Formation Theory
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      • STERLING SILVER
      • 9K GOLD
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      • 18K YELLOW GOLD
      • 14K YELLOW GOLD
      • 9K YELLOW GOLD
      • STERLING SILVER
    • Unset Australian Opal
      • LESS THAN $100
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      • MORE THAN $1001
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  • Natural Australian Boulder Opal, 12.07cts - S899 AUD$913.00
  • Carbonised Sandstone Matrix Opal AUD$107.25 AUD$99.00
  • Sterling Silver Boulder Opal Ring FG2015 AUD$297.00
  • Soft Blue Natural Boulder Opal P765 AUD$176.00
  • Flashy Green/Blue Natural Boulder Opal, 7.92cts - R645 AUD$803.00

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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