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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint742,805 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesIndustrial & Product DesignSt. GallenRosan Diamond AG
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Rosan Diamond AG

Summary

About the company

The core activity of Rosan Diamond AG is the manufacture and distribution of high-quality, handmade payment cards and accessories adorned with precious materials such as gold, diamonds and other valuable stones. These products combine traditional craftsmanship techniques with modern payment technology and are offered as unique, tailored pieces that reflect the individuality and personal style of their owners.

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Industry:Industrial & Product Design
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High-jewellery payment cards
Payment cards made of gold, gemstones and natural minerals, crafted with high-jewellery craftsmanship and modern payment technology; VISA and Mastercard certified, usable worldwide.
Payment jewellery and accessories
Payment-enabled jewellery and accessories such as rings, bracelets, key rings and money clips with contactless payment technology; custom designs are also possible.
Custom cards
Individually designed cards according to customer requirements, with monograms, symbols, family crests or other personal motifs; integration into the design process is possible.
Card collections
Curated collections of skilfully designed cards with themes from nature, ethnicities, the cosmos, art, forms and antiquity; presented each as standalone designs with material specifications.

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Location

Dufourstrasse 150
9000 St. Gallen

At a glance

Legal form
Corporation
UID
CHE-371.305.532
Founded
2021 · 5 years
Last commercial register change
July 24, 2025
Employees
1 to 10

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