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Shifting Luxury, One Win At A Time

Co-founded by seasoned jewellery strategists Iris and Sharon, Authica Jewellery is where bespoke luxury meets quiet power. Each piece is thoughtfully crafted to honour your wins, growth, and values.

We work exclusively with the top 1% of lab-grown diamonds for their ethical brilliance and lasting beauty. No compromises are made on your journey — with warmth, confidence, and white glove care, ensuring every moment feels just right. Because the future of fine jewellery should feel as good as it looks.

For those writing their own rules — You don’t just wear diamonds. You wear the win.
When it means everything, make it
noun / aw-ti-ca /
1. authentic moments; your wins, genuine intent, purpose
2. ethical brilliance; lab-grown diamonds, quality craftsmanship, thoughtful artistry
Luxury is evolving, so are we. Our pieces aren’t for showing off. They are for showing up as your truest self. Because true luxury isn’t just about how it looks, it’s about the meaning behind it.
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Our Purpose
To rewrite the rules
of luxury, making
bespoke a  way
of  life —
because
every win, quiet
or bold, deserves
to be worn
with pride.
Our Manifesto
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Crafted with Care
We work exclusively with the top 1% of lab- grown diamonds — ethically brilliant, visually stunning. Each crafted piece reflects your story, shaped by thoughtful hands and a gentler way forward.
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Ease into Bespoke
Thoughtful design, heartfelt experience. From your first spark of inspiration to the final sparkle, we make bespoke feel as easy as breathing — whether you’re choosing from our Ready, reimagining with our Remix, or dreaming big with our Rare service.
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Your Brilliant Difference
Only top 1% lab grown diamonds, UltiCut Diamond, for your ulti-mate at Authica. Every UltiCut Diamond is of top-notch quality, carefully assessed piece by piece, based on non-bias data by internationally renowned gem labs like International Gemological Institute (IGI) and Gemological Institute of America (GIA).
Everyone is
talking about us
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Start your journey
with us
GIA
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