Meet Trine

Meet Trine
Trine Lamm is the founder and designer behind ByLamm Diamonds. A GIA-certified gemologist based in Copenhagen, Trine brings years of experience in diamonds, gemstones, and bespoke design—offering a personalised approach to fine jewellery.



A background in fine jewellery
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.
“Jewellery should feel like it belongs to you from the start. That’s always been the idea behind By Lamm.”
Whether you’re designing something bespoke or updating a piece you already own, Trine brings together knowledge, intuition, and an instinct for timeless design.
Trine Lamm
GIA Graduate & Founder,
ByLamm Diamonds
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.
“Jewellery should feel like it belongs to you from the start. That’s always been the idea behind By Lamm.”
Whether you’re designing something bespoke or updating a piece you already own, Trine brings together knowledge, intuition, and an instinct for timeless design.
Trine Lamm
GIA Graduate & Founder, ByLamm


Design with intention, created with care
Design with intention, created with care
Trine Lamm designs jewellery that reflects personal moments— elegant pieces, made to last. Her approach balances a strong eye for proportion with a deep respect for material and craft.
Each commission is a collaboration. Trine guides the process from the initial idea through to the final design—helping clients define what they want to create, and shaping it with confidence and precision.
Trine Lamm designs jewellery that reflects personal moments— elegant pieces, made to last. Her approach balances a strong eye for proportion with a deep respect for material and craft.
Each commission is a collaboration. Trine guides the process from the initial idea through to the final design—helping clients define what they want to create, and shaping it with confidence and precision.


At the heart of By Lamm is connection.
At the heart of By Lamm is connection.
Trine’s expertise allows her to source the finest materials while offering unmatched craftsmanship and value. But beyond the stones and settings, it’s the connection with clients that matters most—turning ideas into something tangible, sentimental, and truly one-of-a-kind.
Trine’s expertise allows her to source the finest materials while offering unmatched craftsmanship and value. But beyond the stones and settings, it’s the connection with clients that matters most—turning ideas into something tangible, sentimental, and truly one-of-a-kind.
At ByLamm Diamonds, bespoke means more than custom—it means creating pieces with intention, quality, and timeless beauty, designed to be passed down for generations to come.

Discover the wonderful world of bespoke
Write to us or book an appointment with our team to explore the possibilities of bespoke.

Discover the wonderful world of bespoke
Write to us or book an appointment with our team to explore the possibilities of bespoke.

Discover the wonderful world of bespoke
Write to us or book an appointment with our team to explore the possibilities of bespoke.

Discover the wonderful world of bespoke
Write to us or book an appointment with our team to explore the possibilities of bespoke.
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