Fine Jewellery designed to be lived in and loved for generations.
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Ben’s Diamond-Encrusted Bubble Letter Necklace
Ben’s Diamond-Encrusted Bubble Letter Necklace
- Regular price
- $17,000.00 AUD
- Regular price
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- Sale price
- $17,000.00 AUD
Ben’s Diamond-Encrusted Bubble Letter Necklace -
The Soul Mate Radiant Diamond Ring
The Soul Mate Radiant Diamond Ring
- Regular price
- $16,500.00 AUD
- Regular price
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- Sale price
- $16,500.00 AUD
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My Love, Round Diamond Studs
My Love, Round Diamond Studs
- Regular price
- $3,800.00 AUD - $6,600.00 AUD
- Regular price
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- Sale price
- $3,800.00 AUD - $6,600.00 AUD
My Love, Round Diamond Studs -
Chevron Natural Diamond Huggies
Chevron Natural Diamond Huggies
- Regular price
- $2,100.00 AUD
- Regular price
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- Sale price
- $2,100.00 AUD
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Tear Drop Gold and Diamond Hoops
Tear Drop Gold and Diamond Hoops
- Regular price
- $9,800.00 AUD
- Regular price
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- Sale price
- $9,800.00 AUD
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Bold Trace Link Chain
Bold Trace Link Chain
- Regular price
- $4,200.00 AUD
- Regular price
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- Sale price
- $4,200.00 AUD
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The Paperclip Chain Necklace
The Paperclip Chain Necklace
- Regular price
- $2,400.00 AUD - $3,200.00 AUD
- Regular price
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- Sale price
- $2,400.00 AUD - $3,200.00 AUD
The Paperclip Chain Necklace -
Chunky 18ct Fob Chain
Chunky 18ct Fob Chain
- Regular price
- $7,500.00 AUD
- Regular price
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- Sale price
- $7,500.00 AUD
Balearic Diamond Chain







Balearic Diamond Chain
Shop The Look
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Emerald Cut Trilogy Diamond Engagement Ring
Emerald Cut Trilogy Diamond Engagement Ring
- Regular price
- $14,800.00 AUD
- Regular price
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- Sale price
- $14,800.00 AUD
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Marquise Solitaire Engagement Ring
Marquise Solitaire Engagement Ring
- Regular price
- $27,000.00 AUD
- Regular price
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- Sale price
- $27,000.00 AUD
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Oval Diamond Engagement Ring with Tapered Baguettes
Oval Diamond Engagement Ring with Tapered Baguettes
- Regular price
- $13,800.00 AUD - $15,800.00 AUD
- Regular price
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- Sale price
- $13,800.00 AUD - $15,800.00 AUD
Oval Diamond Engagement Ring with Tapered Baguettes -
Trilogy Oval Diamond Engagement Ring with Trapezoids
Trilogy Oval Diamond Engagement Ring with Trapezoids
- Regular price
- $14,800.00 AUD
- Regular price
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- Sale price
- $14,800.00 AUD
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Encrusted Oval Flip Ring
Encrusted Oval Flip Ring
- Regular price
- $26,000.00 AUD
- Regular price
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- Sale price
- $26,000.00 AUD
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The Soul Mate Encrusted Radiant Diamond Ring
The Soul Mate Encrusted Radiant Diamond Ring
- Regular price
- $22,500.00 AUD
- Regular price
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- Sale price
- $22,500.00 AUD
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Toi Et Moi, Cushion Diamond Engagement Ring
Toi Et Moi, Cushion Diamond Engagement Ring
- Regular price
- $0.00 AUD
- Regular price
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- Sale price
- $0.00 AUD
Toi Et Moi, Cushion Diamond Engagement Ring -
Toi et Moi, Oval & Pear Diamond Engagement Ring
Toi et Moi, Oval & Pear Diamond Engagement Ring
- Regular price
- $0.00 AUD
- Regular price
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- Sale price
- $0.00 AUD
Toi et Moi, Oval & Pear Diamond Engagement Ring
Founded by Heidi and Ben, Heidi & Hart embodies a shared vision of crafting heirloom-quality jewellery that transcends mere adornment.



GIA Certified
At Heidi & Hart, we source diamonds that meet the highest standards and value transparency at every step. Many of our pieces feature GIA-certified diamonds, assessed by the Gemological Institute of America, the world’s leading authority in diamond grading.
A GIA certificate confirms your diamond’s quality and authenticity, covering the 4Cs: cut, clarity, colour and carat weight.
Whether you're selecting a certified stone for a bespoke design or remodelling a piece you already love, we’ll guide you toward a diamond that feels right for you, with confidence and clarity.