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 · Imprint744,740 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTesting & Inspection CentersTramelanSWISS SINO GEMOLOGICAL LABORATORY GMBH
SWISS SINO GEMOLOGICAL LABORATORY GMBH Logo
Verified· 2 sources

SWISS SINO GEMOLOGICAL LABORATORY GMBH

Summary

About the company

The core activity of Swiss Sino Gemological Laboratory (SSGL) is the performance of gemological tests and analyses, particularly the identification and evaluation of precious stones such as rubies, sapphires and emeralds. This includes the verification of treatments and the determination of the origin of these precious stones. The company also offers a scientific method for quality assessment of precious stones.

AI-generated
Offering

Products & services

Industry:Testing & Inspection Centers
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
✓ Offered
4
Gemstone testing and analyses
Gemstone tests without diamonds, treatment identification and origin determination for rubies, sapphires and emeralds; non-destructive testing with microscopy and inclusion analysis.
Gem certificates and reports
Standard Report, Grading Report and Grading Report for mounted stones; online report verification with details on treatment, identification and quality level.
Quality grading of gemstones
Objective quality assessment of coloured stones based on colour, cut and clarity; optional inclusion of weight and rarity.
Gemmological training
Seven-module course with certification as Certified Gemologist; classes in Bangkok for enthusiasts, dealers and jewellers.

Knowledge

No knowledge articles yet

Once SWISS SINO GEMOLOGICAL LABORATORY GMBH has claimed this profile, we'll publish editorial articles and case studies here together.

Get started
Comparisons

SWISS SINO GEMOLOGICAL LABORATORY GMBH in comparison

Soon

Industry comparisons are coming soon

We're preparing industry comparisons that rank SWISS SINO GEMOLOGICAL LABORATORY GMBH by reviews, experience and specialisations.

Is this your company?

Claim the company profile of SWISS SINO GEMOLOGICAL LABORATORY GMBH to make its contact details visible. With a plan we additionally create and publish industry comparisons, articles and much more.

Secure profile

Location

Grand-Rue 169
2720 Tramelan

At a glance

Legal form
Limited Liability Company
UID
CHE-153.569.078
Founded
2017 · 9 years
Last commercial register change
January 13, 2022
Employees
1 to 10

Similar companies

HS
Hejra Stone GmbH
Zollikofen
GB
Gafner Bauexpertisen GmbH
Thun
LE
Lüthi Electrokontrol
Hasle B. Burgdorf
FS
Feuerlöscher Service Center GmbH
Burgdorf
LE
Lehmann Elektrokontroll GmbH
Zollbrück
BI
Biologisches Institut für Pollenanalyse K. Bieri GmbH
Kehrsatz
CC
CATTIN CONTROLE ELEC
St-Imier
EG
Elektro-Kontrollservice Glaus GmbH
Brienz Be