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Opal Vault Australia, Sydney (2026)

20/03/2026

0.55ct Lightning Ridge Crystal Opal | N7 Tone, B2 | Violet Broadflash | Australian Solid Opal

Description:
Sourced from the historic opal fields of Lightning Ridge, Australia, this 0.55-carat solid Crystal Opal shows an N7 body tone with full transparency that gives the stone a clear, glass-like internal character. The stone displays a violet-dominant play-of-colour in a soft, floating broadflash pattern that activates gently across the crown.

Hand-cut into a round organic freeform shape with a professional polish, this stone offers a balanced face footprint but a relatively shallow 2.28mm depth, making it best suited to a custom bespoke jewellery design.

Please note: Because this stone is highly transparent, a prominent patch of natural tan sand and potch located on the reverse side is clearly visible through the internal crystal structure, acting as a permanent visual interruption to the face-up colour coverage. In strict accordance with Opal House Australia integrity standards, a combined 55% commercial deduction has been permanently integrated into this retail valuation to account for this highly visible facial interruption. By accurately identifying and deducting for these natural characteristics, we can offer this genuine Lightning Ridge Crystal Opal at a disciplined, integrity-backed retail price.

Technical Specifications:
Origin: Lightning Ridge, NSW, Australia
Weight: 0.55 carats
Dimensions: 6.23mm x 5.96mm x 2.28mm (Approximate)
Body Tone: N7 (Crystal)
Brightness: High B2 / Soft B3 (Violet Broadflash)
Shape: Round Organic Freeform
Predominant Colors: Violet

Price: $140 AUD

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Note to Buyer: We photograph and film under neutral, professional lighting (approx. 5000K–6000K) using specialized macro lenses to represent the opal's true character and structural reality. No enhancements or saturation filters are ever used. All weights and dimensions are provided as professional approximations.

20/03/2026

1.00ct Coober Pedy Light Crystal Opal | N8 Tone, B3 Brightness | Green, Blue & Orange Rolling Flash | Australian Solid Opal

Description:
Sourced from the renowned opal fields of Coober Pedy, South Australia, this 1.00-carat solid Light Crystal Opal shows an N8-N9 light body tone with visible translucency that gives the stone a glowing internal character. The stone displays an active rolling flash pattern with vibrant green, blue, and orange play-of-colour covering approximately 75% to 80% of the face. In motion, the colour moves energetically across the crown, giving the stone a lively and dynamic presentation despite its natural commercial interruptions.

Hand-cut into a unique, low-profile square organic freeform shape with a professional polish, this stone offers a highly bespoke silhouette. With a depth of 2.70mm, it is best suited to a custom bezel-set pendant or a specialized one-of-a-kind jewellery design that can accommodate its specific proportions.

Please note: Under close inspection, this stone shows visible sand and iron matrix inclusions around the edges that sweep onto the face, along with a mild internal milkiness that slightly softens the overall crystal openness. In strict accordance with Opal House Australia integrity standards, a combined 55% commercial deduction has been permanently integrated into this retail valuation to account for these natural inclusions, the slight loss of transparency, and the stone’s irregular freeform make. By accurately identifying and deducting for these structural and visual features, we can offer this genuine Coober Pedy Light Crystal Opal at a disciplined, integrity-backed retail price.

Technical Specifications:
Origin: Coober Pedy, SA, Australia
Weight: 1.00 carats
Dimensions: 8.55mm x 6.88mm x 2.70mm (Approximate)
Body Tone: N8 (Light Crystal)
Brightness: B3 (Green / Blue / Orange Rolling Flash)
Shape: Square Organic Freeform
Predominant Colors: Green / Blue / Orange

Price: $216.00 AUD

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Note to Buyer: We photograph and film under neutral, professional lighting (approx. 5000K–6000K) using specialized macro lenses to represent the opal's true character and structural reality. No enhancements or saturation filters are ever used. All weights and dimensions are provided as professional approximations.

19/03/2026

Australian Opal Fact 🇦🇺

Before miners can even search for opal, they first have to reach the ground most likely to hold it.

Follow for more Australian opal facts, mining insights, and beautiful stones.✨️

19/03/2026

1.87ct Lightning Ridge Dark Opal | N5 Tone, B3 Brightness | Violet-Blue Broadflash | Australian Solid Opal

Description:
Sourced from the historic opal fields of Lightning Ridge, Australia, this 1.87-carat solid Dark Opal shows an N5 body tone with a rich, darker base that gives contrast to its face-up colour. The stone displays violet- and blue-dominant play-of-colour in a soft broadflash pattern, with the strongest colour activation appearing across a specific viewing angle before softening into a gentler glow off-axis. This gives the stone an elegant, mood-driven face with a calm, velvety character rather than an aggressive neon presentation
Hand-cut into a wide teardrop organic freeform shape with a professional polish, this stone offers a balanced silhouette and useful depth suited to a bespoke pendant, custom ring, or one-of-a-kind jewellery design.

Please note: This stone shows a slightly sleepy, angle-sensitive face, with broadflash that performs best through its primary activation angle rather than holding with equal strength across all ordinary tilt. In strict accordance with Opal House Australia integrity standards, a combined commercial deduction has been permanently integrated into this retail valuation to reflect its directional performance, softer off-angle behaviour, and bespoke freeform make. By accurately identifying and deducting for these natural commercial characteristics, we can offer this genuine Lightning Ridge Dark Opal at a disciplined, integrity-backed retail price.

Technical Specifications:
Origin: Lightning Ridge, NSW, Australia
Weight: 1.87 carats
Dimensions: 9.68mm x 7.23mm x 4.73mm (Approximate)
Body Tone: N5 (Dark Opal)
Brightness: B3 (Violet / Blue Broadflash)
Shape: Wide Teardrop Organic Freeform
Predominant Colors: Violet / Blue

Price: $450.00 AUD

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Note to Buyer: We photograph and film under neutral, professional lighting (approx. 5000K–6000K) using specialized macro lenses to represent the opal's true character and structural reality. No enhancements or saturation filters are ever used. All weights and dimensions are provided as professional approximations.

19/03/2026

1.04ct Lightning Ridge Dark Crystal Opal | N5 Tone, B2 Brightness | Green, Teal, Aqua & Orange Flash | Australian Solid Opal

Description:
Sourced from the historic opal fields of Lightning Ridge, Australia, this 1.04-carat solid Dark Crystal Opal shows an N5 body tone with meaningful translucency that gives the face a dark, glowing internal character. The stone displays a green-dominant ribbon of play-of-colour with secondary teal and aqua across the face, together with orange flash concentrated along the outer edge. In motion, the colour presents with a flowing, wave-like pattern that gives the stone strong individuality despite its commercial interruptions.

Hand-cut into an organic teardrop freeform shape with a professional polish, this stone offers an elegant bespoke profile suited to a one-of-a-kind pendant or custom ring design.

Please note: Under close inspection, this stone shows a visible central potch band, a secondary rounded potch interruption near the edge, and a slight cloudy face that softens overall crystal openness. In strict accordance with Opal House Australia integrity standards, a combined 31.45% commercial deduction has been permanently integrated into this retail valuation to account for these natural characteristics together with the stone’s bespoke freeform make. By accurately identifying and deducting for these structural and visual features, we can offer this genuine Lightning Ridge Dark Crystal Opal at a disciplined, integrity-backed retail price.

Technical Specifications:
Origin: Lightning Ridge, NSW, Australia
Weight: 1.04 carats
Dimensions: 11.07mm x 7.65mm x 2.13mm (Approximate)
Body Tone: N5 (Dark Crystal)
Brightness: B2 (Green / Teal / Aqua / Orange Flash) Shape: Organic Teardrop Freeform
Predominant Colors: Green / Teal / Aqua / Orange

Price: $240.00 AUD

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Note to Buyer: We photograph and film under neutral, professional lighting (approx. 5000K–6000K) using specialized macro lenses to represent the opal's true character and structural reality. No enhancements or saturation filters are ever used. All weights and dimensions are provided as professional approximations.

19/03/2026

🇦🇺 Australian Opal Fact #8

Not all opal is created equal. Precious opal displays play-of-colour, while common opal does not.

Follow for more Australian opal facts and beautiful stones. ✨

19/03/2026

2.50ct Coober Pedy White Opal | N8 Tone, B1 Brightness | Red-Orange-Green Flash | Australian Solid Opal

Description: Sourced from the historic fields of Coober Pedy, Australia, this 2.50-carat solid White Opal shows a borderline N8 body tone with slight hazy light transmission through the stone. The face displays red- and orange-dominant play-of-colour with secondary green flashes, with the strongest colour appearing under direct neutral light and in motion.

Hand-cut into an organic tapered triangle profile, this stone has a distinctive natural shape suited to one-of-a-kind jewellery. Its elongated wedge-like outline makes it a strong candidate for a custom pendant or bespoke design that embraces the individuality of natural Australian opal in a non-calibrated cut.

Please note: This stone shows the soft, milky character typical of lighter Coober Pedy material, with colour performance that remains gentle rather than broad or high-intensity. In strict accordance with Opal House Australia integrity standards, a combined retail deduction of 10% has been integrated into the final valuation to reflect the commercial implications of the stone’s natural tapered freeform make and bespoke setting profile. This creates an accessible entry point into genuine Coober Pedy White Opal while maintaining honest retail positioning consistent with the stone’s true visual class.

Technical Specifications: Origin: Coober Pedy, SA, Australia Weight: 2.50 carats Dimensions: 15.40 x 9.98 x 2.95 mm (Approximate) Body Tone: N8 (White Opal) Brightness: B1 (Red / Orange / Green Flash) Shape: Organic Tapered Triangle / Freeform Predominant Colors: Red / Orange / Green Price:

$275 AUD

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Note to Buyer: We photograph and film under neutral, professional lighting to represent the opal’s true character as honestly as possible. No enhancements or saturation filters are ever used. All weights and dimensions are provided as professional approximations.

19/03/2026

0.92ct Lightning Ridge Dark Crystal Opal | N5 Tone, B3 Brightness | Green-Blue-Orange Flash | Australian Solid Opal

Description:
Sourced from the historic fields of Lightning Ridge, Australia, this 0.92-carat solid Dark Crystal Opal shows a classic N5 body tone with visible light transmission through the stone. The face displays green-dominant play-of-colour with secondary blue and orange flashes, with the strongest colour appearing under direct neutral light and in motion.

Hand-cut into an organic freeform profile, this stone has a distinctive natural shape suited to one-of-a-kind jewellery. Its softly asymmetrical outline makes it a strong candidate for a custom pendant, bespoke ring, or design that embraces the individuality of natural Australian opal in a non-calibrated cut.

Please note: This stone shows a natural cloudy edge inclusion that creates a hazy windowed area along part of the stone. In strict accordance with Opal House Australia integrity standards, a combined retail deduction of 45% has been integrated into the final valuation to reflect its impact on crystal clarity, visual openness, and overall commercial strength, together with the commercial implications of the stone’s natural freeform make. This creates an accessible entry point into genuine Lightning Ridge Dark Crystal Opal while maintaining honest retail positioning consistent with the stone’s true visual class.

Technical Specifications:
Origin: Lightning Ridge, NSW, Australia
Weight: 0.92 carats
Dimensions: 7.71 x 6.78 x 2.93 mm (Approximate)
Body Tone: N5 (Dark Crystal)
Brightness: B3 (Green / Blue / Orange Flash)
Shape: Organic Freeform
Predominant Colors: Green / Blue / Orange

Price: $695 AUD

Video in comments

Note to Buyer: We photograph and film under neutral, professional lighting to represent the opal’s true character as honestly as possible. No enhancements or saturation filters are ever used. All weights and dimensions are provided as professional approximations.

18/03/2026

Australian Opal Fact #7 ✨

No two natural opals are ever exactly the same.

Each one is shaped by its own formation story underground, which is what makes opal one of the most unique gemstones on Earth.
Follow for more Australian opal facts and beautiful one-of-a-kind stones 🇦🇺

17/03/2026

0.91ct Lightning Ridge Dark Crystal Opal | N5 Tone, B3 Brightness | Blue-Violet Flash | Australian Solid Opal

Description:
Sourced from the historic fields of Lightning Ridge, Australia, this 0.91-carat solid Dark Crystal Opal has a classic N5 body tone. The stone shows blue and violet play-of-colour across the face, with the strongest flashes appearing under direct neutral light and in motion.

Hand-cut into a wide teardrop organic profile, this stone has a distinctive freeform shape that suits one-of-a-kind jewellery. Its broad pear-like outline makes it a strong candidate for a custom pendant, bespoke ring, or design that embraces natural Australian opal in a non-calibrated cut.

Please note: This stone shows the darker crystal character typical of N5 Lightning Ridge material, with colour performance that is strongest under light and movement rather than broad panoramic fire. In line with Opal House Australia integrity standards, the final retail price has been positioned conservatively to reflect the stone’s true visual class, sub-1-carat size, and natural freeform make. This creates an accessible entry point into genuine Lightning Ridge Dark Crystal Opal without overstating the stone beyond its honest performance tier.

Technical Specifications:
Origin: Lightning Ridge, NSW, Australia
Weight: 0.91 carats
Dimensions: 7.55 x 7.14 x 3.02 mm (Approximate)
Body Tone: N5 (Dark Crystal)
Brightness: B3 (Blue / Violet)
Shape: Wide Teardrop / Organic Freeform
Predominant Colors: Blue / Violet

Price: $430 AUD

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Note to Buyer: We photograph and film under neutral, professional lighting to represent the opal’s true character as honestly as possible. No enhancements or saturation filters are ever used. All weights and dimensions are provided as professional approximations.

17/03/2026

1.93ct Coober Pedy White Opal | N9 Tone, B3 Brightness | Multi-Color Red Flash | Australian Solid Opal

Description:
Sourced from the renowned opal fields of Coober Pedy, Australia, this 1.93-carat solid White Opal shows a soft N9 body tone with lively multi-colour play across the face. Flashes of red, green, blue, and violet appear through the stone, with the strongest colour visible under direct neutral light and in motion.

Hand-cut into an elongated organic freeform cabochon, this stone has a sleek, non-calibrated outline suited to one-of-a-kind jewellery. Its longer profile makes it especially well suited to a custom pendant, east-west ring, or bespoke design that embraces natural Australian opal in an individual shape.

Please note: This stone shows minor natural face-visible character, including a small pinpoint/sand spot inclusion. In line with Opal House Australia integrity standards, this has been taken into account in the final retail positioning. The price reflects the stone’s genuine solid-opal status, attractive multi-colour performance, and custom-jewellery potential, while remaining disciplined against its natural characteristics.

Technical Specifications:
Origin: Coober Pedy, South Australia
Weight: 1.93 carats
Dimensions: 11.21 x 5.56 x 4.40 mm (Approximate)
Body Tone: N9 (White Opal)
Brightness: B3 (Red, Green, Blue, Violet)
Shape: Organic / Elongated Freeform Cabochon
Predominant Colors: Red / Green / Blue / Violet

Price: $395 AUD

Video in comments

Note to Buyer: We photograph and film under neutral, professional lighting to represent each opal as honestly as possible. No saturation filters or colour enhancements are used. All weights and dimensions are provided as professional approximations.

Opal Vault Australia

20/03/2026

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