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Source a piece

At Avant Garde, we specialise in sourcing rare luxury pieces through our global network of trusted dealers and collectors.

If you haven’t found what you’re looking for on our website, simply submit a request and our team will actively search for the piece on your behalf.

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Sell a piece

If you are considering selling your item, simply submit the details through the form below. Our team will review your request and get in touch with you to discuss the next steps.

Authenticity and documentation may be requested during the evaluation process. All submissions are handled with discretion and professionalism.

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5 Carat Oval Lab Grown Diamond Ring
5 Carat Oval Lab Grown Diamond Ring Sale price$6,126.00 USD
3 Carat Round Diamond Stud Earrings
3 Carat Round Diamond Stud Earrings Sale price$5,445.00 USD
5 Carat Oval Lab Grown Diamond Ring
5 Carat Oval Lab Grown Diamond Ring Sale price$6,126.00 USD
3 Carat Round Diamond Stud Earrings
3 Carat Round Diamond Stud Earrings Sale price$5,445.00 USD
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News

From the journal

The Rise of Vintage Watches

The Rise of Vintage Watches

In a market often dominated by the latest releases and waiting lists, vintage watches have quietly become some of the most sought-after timepieces among collectors. More than ever, enthusiasts are ...

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Patek Philippe vs Rolex: Which Luxury Watch Holds Value Better?

Patek Philippe vs Rolex: Which Luxury Watch Holds Value Better?

When it comes to luxury watches, two names dominate almost every conversation: Patek Philippe and Rolex. Both are renowned for exceptional craftsmanship, global recognition, and strong resale value...

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Why Everyone Wants a Birkin

Why Everyone Wants a Birkin

Few handbags have achieved the status of the Hermès Birkin. More than a luxury accessory, the Birkin has become a global symbol of craftsmanship, exclusivity, and timeless style. Each bag is meticu...

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About

Our journey began in 2018 in London with a dedication to making rare and timeless treasures accessible to connoisseurs worldwide. Entering the world of second-hand luxury, we set out to connect discerning buyers with the finest pieces, offering a curated selection of iconic watches, handbags, and fine jewellery that embody heritage, craftsmanship, and enduring value. 

Our expertise and dedication led to remarkable growth, with over 100 luxury assets sold each month — both online and in person — while welcoming clients to our lounge office in the heart of Mayfair, London and Dubai. Along the way, we built trust, established lasting relationships, and earned a reputation for delivering unparalleled value.

Today, as Avant Garde, we are proud to showcase what we do best: sourcing the most valuable luxury items and providing you with accurate, transparent insights into retail and market prices.

Our mission is clear — to ensure that every choice you make brings the utmost value, driven by our unwavering professionalism and commitment to excellence. We believe that luxury is an art — an investment in heritage, craftsmanship, and enduring beauty. 

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