Exceptional timepieces and gemstones — traded discreetly online.
Etoile Carat UG trades in luxury watches, diamonds and exceptional pieces of jewellery. Consultation on request, confidential handling, exclusively online.
Who we are.
Etoile Carat UG brokers rare diamonds and fine jewellery — quietly, curated, registered on Neuer Wall in Hamburg.
Etoile Carat UG was founded in Hamburg in 2026 and is based in the Neuer Wall quarter. Our focus is on investment-grade diamonds and on fine jewellery in limited editions.
Four steps. In confidence.
No shop window, no advertising — a quiet, curated process from enquiry to handover.
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01
Enquiry
Tell us in confidence what you are looking for or want to sell. A short email is enough.
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02
Curated selection
We match your brief against our network and suggest pieces — with photos, condition and papers.
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03
Verification
Every object is checked for authenticity, papers and provenance. No verification, no offer.
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04
Handling
Quiet, documented handling — no shop window, no public appearance, never shared with third parties.
What we offer.
A short overview. See the services page for full detail.
Luxury watches
Carefully selected timepieces from established manufactures. Sourcing and resale on request.
Diamonds
Loose and set diamonds across sizes, colours and cuts.
Jewellery
High-end pieces in precious metals and gemstones — single items and curated collections.