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Ines | Blue-Green Australian Semi-Black Opal Ring

Australian Opal Jewellery Collection

Experience the magic of opals with our new Australian Opal Collection – a fusion of nature, heritage and fine craftsmanship, featuring rare black opals, boulder opals, crystal opals, and more. All of our opals are natural solid gemstones, sustainably and ethically mined from Australia’s famous opal fields. Every design has been created to suit the individual opal, making each piece of jewellery truly unique.

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Australian Crystal Opal Stud Earrings in Yellow Gold by World Treasure Designs
Australian Crystal Opal Earrings with Colors of the Rainbow in Yellow Gold by World Treasure Designs

Stella | Australian Crystal Opal Stud Earrings

$895.00

Australian Fossilized Black Opal Necklace in Yellow Gold by World Treasure Designs
Australian Black Opal Necklace in Yellow Gold by World Treasure Designs

Atlas | Australian Fossil Black Opal Necklace

$1,445.00

Oval Australian Crystal Opal Necklace in Yellow Gold by World Treasure Designs
Eucalyptus Gum Nuts with Australian Crystal Opal Necklace in Yellow Gold by World Treasure Designs

Euca | Australian Crystal Opal Necklace

$1,495.00

Free Form Australian Semi-Black Crystal Opal and Sea Star Necklace in Yellow Gold by World Treasure Designs
Australian Semi-Black Crystal Opal Necklace with Diamond Sea Star in Yellow Gold by World Treasure Designs

Astra | Sea Star Australian Semi-Black Crystal Opal Necklace

$1,495.00

Australian Blue Boulder Opal Pendant with Draping Diamonds in Yellow Gold by World Treasure Designs
Australian Blue Boulder Opal Necklace with lots of Diamonds in Yellow Gold by World Treasure Designs

Iluka | Blue Australian Boulder Opal Necklace

$4,095.00

Australian Tri Cut Fossil Wood Opal Necklace in Yellow Gold by World Treasure Designs
Australian Opal with Fossilized Wood Tri Cut Necklace in Yellow Gold by World Treasure Designs

Alinta | Australian Fossil Wood Opal Necklace

$1,395.00

Australian Blue-Purple Black Oval Opal with Trio of Diamonds in Yellow Gold by World Treasure Designs
Australian Blue-Purple Black Opal Pendant with Trio of Diamonds in Yellow Gold by World Treasure Designs

Ilkey | Oval Blue-Purple Australian Black Opal Necklace

$3,650.00

Australian Blue-Purple Black Opal Pendant with Trio of Diamonds in Yellow Gold by World Treasure Designs
Australian Purple-Blue Black Opal Pendant with Trio of Diamonds in Yellow Gold by World Treasure Designs

Ilkey | Blue-Purple Australian Black Opal Necklace

$3,250.00

Australian Black Crystal Opal Earrings with Diamonds in Yellow Gold by World Treasure Designs
Green-Blue Australian Black Crystal Opal Earrings in Yellow Gold by World Treasure Designs

Kyra | Australian Black Crystal Opal Earrings

$1,895.00

Multicoloured Australian Semi-Black Opal Ring in Yellow Gold with Diamonds by World Treasure Designs
Split Shank Australian Semi-Black Opal Ring in Yellow Gold by World Treasure Designs

Maleny | Mulicoloured Australian Semi-Black Opal Ring

$1,795.00

Teal Australian Semi-Black Opal Ring in White and Yellow Gold with Diamonds by World Treasure Designs
Australian Semi-Black Opal Ring with Diamonds in Yellow Gold and White Gold by World Treasure Designs

Kalina | Teal Australian Semi-Black Opal Ring

$3,350.00

Australian Blue Green Aqua Black Opal Ring with Diamond Split Shank Band in Yellow Gold by World Treasure Designs
Diamond and Australian Black Opal Ring in Yellow Gold by World Treasure Designs

Tara | Aqua Blue-Green Australian Black Opal Ring

$2,050.00

Previously Sold

Find gemstone, setting, and design inspiration in our previously sold jewellery pieces.

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Australian Blue Boulder Opal Ring in Yellow Gold by World Treasure Designs
Australian Streak Blue Opal and Brown Boulder Ring in Yellow Gold by World Treasure Designs
Previously Sold

Eme | Blue Fire Australian Boulder Opal Ring

Australian Crystal Opal Earrings in Yellow Gold by World Treasure Designs
Fire Australian Crystal Opal Earrings in Yellow Gold by World Treasure Designs
Previously Sold

Sky | Australian Crystal Opal Earrings

Australian Crystal Blue-Green Black Opal Pendant in Yellow Gold by World Treasure Designs
Australian Crystal Opal Necklace with Blue-Green Black Opal in Yellow Gold by World Treasure Designs
Previously Sold

Mooloolah | Blue-Green Australian Semi-Black Opal Necklace

Australian Blue-Green Black Opal Pendant Necklace in Yellow Gold by World Treasure Designs
Australian Opal Necklace with Diamond-Shaped Blue Green Black Opal in Yellow Gold by World Treasure Designs
Previously Sold

Marlee | Blue-Green Australian Semi-Black Opal Necklace

Australian Green-Blue Black Opal Pendant in Yellow Gold by World Treasure Designs
Australian Green-Blue Black Opal Necklace in Yellow Gold by World Treasure Designs
Previously Sold

Kiora | Green-Blue Australian Black Opal Necklace

Australian Boulder Opal Necklace with Yellow Gold Streak by World Treasure Designs
Australian Boulder Blue Opal Necklace with Gold Accent in Yellow Gold by World Treasure Designs
Previously Sold

Onila | Australian Boulder Opal Necklace

5.0 (1)

Australian Crystal Opal and Sapphire Necklace in Yellow Gold by World Treasure Designs
Australian Blue Sapphire and Australian Crystal Opal Necklace in Yellow Gold by World Treasure Designs
Previously Sold

Cyan | Australian Crystal Opal and Sapphire Necklace

Blue Australian Semi-Black Opal Necklace with Yellow Gold Accent in Yellow Gold by World Treasure Designs
Blue Australian Semi-Black Opal Pendant with Gold Accent Set in Yellow Gold by World Treasure Designs
Previously Sold

Avani | Blue Australian Semi-Black Opal Necklace

Previously Sold

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Our Forever Guarantee

Every World Treasure Designs purchase comes with a free warranty against manufacturing defects for – you guessed it – forever. If your jewellery has a defect due to workmanship or materials, contact us and we will repair or replace it at no charge.

Interested in creating a one-of-a-kind piece?

Learn more about our custom jewellery design services.

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