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About ByLamm Diamonds

ByLamm Diamonds is a Copenhagen-based fine jewellery studio specialising in bespoke design and made-to-order diamond pieces. We create personal, handcrafted jewellery with a focus on lasting design, expert craftsmanship, and meaningful collaboration. Everything we do is shaped by quiet precision. From sourcing stones to refining the setting, we consider every detail. We work with master goldsmiths in Antwerp and Milan, ensuring each piece is made with skill and integrity. We don’t follow trends. We create jewellery with clarity and character—made to be worn now, and held onto long after. ByLamm Diamonds is a studio built on the belief that jewellery should feel personal. Whether it’s a bespoke engagement ring, a reimagined heirloom, or something you’ve been thinking about for a while, we design pieces with intention and craft them to last. Founded in Copenhagen by Trine Lamm, we specialise in bespoke and made-to-order fine jewellery. Our process is collaborative and considered, combining your vision with our experience in diamonds, gemstones, and traditional techniques. A background in fine jewellery Trine is a GIA-certified gemologist with a background in diamond sourcing, gemstone selection, and high jewellery design. Before founding By Lamm, she worked with some of the world’s most exceptional stones. Her training and experience come through in every piece.

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