What is fine jewellery? Use these articles to expand your knowledge of signed jewellery. Glossaries, technical knowledge; it's all here.

  • Second-hand jewellery : Van Cleef & Arpels Frivole Authentifiée pendant - diamond pendant

    Choosing a diamond pendant: our advice on making the right choice

    The diamond pendant is a jewellery classic, elegant, symbolic and timeless. Worn close to the heart, it embodies attachment, light and refined simplicity. Whether you want to give this pendant as a gift or buy one for yourself, here are our top tips for choosing the right piece of jewellery. Why give or buy a diamond ...

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  • Used Boucheron Vintage Bracelet : Authenticated jewel - all about blue sapphire

    All you need to know about blue sapphire

    Blue sapphire is one of the most iconic gemstones in jewellery. Appreciated for its depth, rich colour and exceptional hardness, it embodies both classic elegance and absolute refinement. But where does this fascinating stone come from? How do you assess its quality? And why is it still so highly prized? Here's the answer...

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  • Second hand Chance of Love Mauboussin ring : Authenticated jewel - which carat for a diamond

    What carat for a diamond? Our expert guide to making the right choice

    The carat is one of the best-known criteria when it comes to buying a diamond, but it is also one of the most often misunderstood. Contrary to popular belief, carat is not a measure of size, but of weight. So what carat should you choose for a diamond? Here's a complete guide to understanding this ...

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  • Used Boucheron Vintage Bracelet : Authenticated jewel - boucheron vintage

    Our advice for choosing vintage Boucheron jewellery without making a mistake

    Renowned for its refinement and audacity, Boucheron has embodied the excellence of French jewellery since 1858. Its creations, imbued with elegance and creativity, have stood the test of time without ever losing their brilliance. Buying a vintage Boucheron jewel means choosing a piece steeped in history, with an assertive, timeless style. Here are a few tips on ...

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  • Bracelet Love Cartier occasion authenticated - How to recognize a fake Cartier Love bracelet ?

    How can you spot a fake Cartier Love bracelet?

     A symbol of love and commitment, the Love bracelet by Cartier is one of the most iconic and most counterfeited pieces of jewellery in the world. If you want to buy a Love bracelet, whether new or second-hand, it's essential to know how to tell the difference between a genuine and an imitation. Here are the key points to check ...

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  • Used R15 Dinh Van handcuffs bracelet : Authenticated jewel - how to change the cord of a dinh van bracelet

    How do I change the cord on a Dinh Van bracelet?

    Are you wondering how to change the cord on a Dinh Van bracelet? Dinh Van bracelets are pieces of fine jewellery, renowned for their refined simplicity and handcrafted quality. Some of the company's popular bracelets, such as those in the Dinh Van Menottes collection, feature a cord that may need to be replaced over time.

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  • Joy Messika ring - gem size

    Cutting precious stones: the secrets of their brilliance

    Precious stones have fascinated people for centuries because of their brilliance and rarity. But before they shine in the hollow of a jewel, they undergo an essential transformation process: cutting. This is a real jewellery-making skill, giving each gem its own personality, brilliance and depth. How does cutting sublimate a precious stone? What is the ...

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  • everything you need to know about pink diamonds

    All you need to know about pink diamonds

    One of the world's most coveted precious stones, the pink diamond is distinguished by its rarity and elegance. Appreciated by collectors and lovers of fine jewellery alike, it symbolises passion, softness and exclusivity. But what makes this stone so unique and precious? Dive into the world of ...

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  • largest diamond in the world

    Jewellery giants: what is the world's biggest diamond?

    Diamonds have always fascinated by their brilliance and rarity, but some of them are beyond imagination. Among these treasures of nature, one in particular holds the record for the largest diamond ever discovered. What is the biggest diamond in the world? What is its history? Where was it found? How did it ...

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  • Second hand M'ama non M'ama Pomellato pendant : Authenticated jewel - Mohs scale

    Understanding the resistance of precious stones using the Mohs scale

    In the world of jewellery, every precious stone tells a story, but not all have the same strength. This is where the Mohs scale comes in, an essential tool for measuring the hardness of minerals. But beyond simple classification, why is this scale so important when choosing a piece of jewellery? What is the Mohs scale ...

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