ranQ
ranQ
ranQ
DirectoryIndustriesKnowledgeComparisonsSoon
Sign inCheck visibility
ranQHSG Startup LabelRecognised by the
HSG Startup Label

The first Swiss company directory, built to boost AI visibility.

Product
  • Pricing
  • Directory
  • Industries
Company
  • About
  • Contact
  • Legal
© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint744,877 companies indexed · Last updated: today
DirectoryRetail & CommerceWholesale - Watches & JewelryBaselOstro Minerals Schweiz AG
Ostro Minerals Schweiz AG Logo
Verified· 2 sources

Ostro Minerals Schweiz AG

Summary

About the company

Ostro Minerals Schweiz AG oversees the exploration, mining, processing and marketing of blue topaz from gemstone deposits. The company highlights transparency in its operations and collaborates with artists and partners on jewellery production and other uses of topaz.

AI-generated
Offering

Products & services

Industry:Wholesale - Watches & Jewelry
✓ Offered
LeadhubOutbound Leads by COHAGA

Looking for direct email addresses and phone numbers?

Leadhub delivers verified contact details and decision-makers from over 750,000 Swiss companies — management, procurement, marketing, HR.

Discover Leadhub
6
Blue Topaz
Blue Topaz in the colour variants Sky Blue, Swiss Blue and London Blue; rough and cut gemstones in traditional and fancy cuts.
Gemstone Certification (ISQA)
NRC certification for topaz, morganite and diamonds for sale and distribution clearance in the USA; also available for third-party companies.
Blue Topaz Collections
Collections of rare blue topaz gems with named pieces such as The Ostro Stone, The Hyacinth Pear, The Kings Lagoon, The Iris and The Sceptre-O.
Design Collaborations
Joint jewellery and design projects with Deborah Milner, Moritz Waldemeyer, Baccarat and other partners using blue topaz stones.
Artistic Collaborations
Artistic collaborations with Catherine Yass, Sir Isaac Julien and Nicole Wermers; development of jewellery pieces with topaz and financing of the production.

Knowledge

No knowledge articles yet

Once Ostro Minerals Schweiz AG has claimed this profile, we'll publish editorial articles and case studies here together.

Get started
Comparisons

Ostro Minerals Schweiz AG in comparison

Soon

Industry comparisons are coming soon

We're preparing industry comparisons that rank Ostro Minerals Schweiz AG by reviews, experience and specialisations.

Is this your company?

Claim the company profile of Ostro Minerals Schweiz AG to make its contact details visible. With a plan we additionally create and publish industry comparisons, articles and much more.

Secure profile

Location

Sängergasse 25
4054 Basel

At a glance

Legal form
Corporation
UID
CHE-110.152.126
Founded
2006 · 20 years
Last commercial register change
January 27, 2020
Employees
1 to 10

Similar companies

FG
Fossil Group Europe GmbH
Basel
PT
Pelham Trading Ltd
Basel
TP
Tribeca Partners AG
Basel
YU
Yin-Yang Uherek
Basel