A comprehensive media on jewelry and precious stones


Collectissim is an independent media dedicated to jewelry, antique jewelry and gemology. Founded by Guilhem Merolle, who is passionate about jewelry history and craftsmanship, it features articles, interviews and videos exploring jewelry heritage, gemstones and fine crafts. Born of the success of @bijouxancienslyon, a reference on Instagram, Collectissim deciphers the world of antique jewelry and precious stones.

A publication dedicated to the world of jewelry and precious stones
Collectissim Magazine is an exceptional publication dedicated to the history of jewelry, antique jewelry, gemstones and the art of jewelry-making. Each issue explores an exclusive theme through in-depth articles on the great jewelry houses, talented artisans, historic pieces and industry experts. Distributed internationally, this specialized magazine is aimed at collectors, luxury professionals and jewelry enthusiasts, offering in-depth analysis of this fascinating world.

A blog dedicated to jewelry and precious stones



Collectissim, through its jewelry blog, shares exclusive articles on jewelry history, major jewelry houses, market trends and know-how. Whether you’re a lover of antique jewelry, passionate about gemstones or curious to learn more about high jewelry, this blog is an essential source for deepening your knowledge.
YouTube videos on jewelry, its history and savoir-faire


Our YouTube channel dedicated to jewelry introduces you to the history of jewelry, the know-how of craftsmen, the expertise of great merchants and the beauty of precious stones. Through exclusive interviews, analyses of vintage pieces and immersive videos, immerse yourself in a world where tradition, expertise and passion intertwine. A must-have resource for collectors, jewelry lovers and all jewelry enthusiasts.
Collectissim Magazine is much more than just a magazine: it's an invitation to discover the beauty, expertise and passion that drive the jewelry industry.
Guilhem Merolle