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Guides & Stories

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Everything you need to choose with confidence — from diamond education to care and sizing.

The Maison
About The Zelia
The story of The Zelia, our lab-grown diamond promise, and our Dubai atelier.
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Diamonds
About lab-grown diamonds
Lab-grown diamonds are real diamonds with the same chemical and optical properties as mined stones. Here is how they are grown and certified.
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Care
Jewellery care
How to clean, store, and protect your fine jewellery so it lasts a lifetime.
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Service
Shipping
Shipping policy, fees, timing, insurance, and international delivery information.
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Service
Returns & exchanges
Returns and exchanges policy, including made-to-order rules and how to start a return.
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Service
Warranty
Lifetime warranty against manufacturing defects, 2 years on wear maintenance, plus details on what is and is not covered.
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Service
Frequently asked questions
Answers to common questions about lab-grown diamonds, ordering, shipping, payment, sizing, and jewellery care.
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Guides
Ring size guide
How to measure your ring size accurately, with a US, UK, EU and Japan conversion chart and tips for getting the right fit.
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