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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTesting & Inspection CentersLes AcaciasGGTL Laboratories Instruments Sàrl
GGTL Laboratories Instruments Sàrl Logo
Verified· 2 sourcesTrust Score
Summary

About the company

GGTL Laboratories Instruments Sàrl is a gemmological laboratory that tests, analyses, and grades diamonds, gemstones, and pearls. The company issues testing and grading reports and develops and sells instruments for gemstone analysis.

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Products & services

Industry:Testing & Inspection CentersMechanical Engineering Industry
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GGTL Laboratories Instruments Sàrl

✓ Offered5
Diamond Analysis and Certification
Analysis and grading reports for colourless, fancy and mounted diamonds; assessment of authenticity, clarity, colour origin and treatments, including melee diamonds and diamond jewellery.
Gemstone Analysis Services
Analysis and certification for individual coloured gemstones and small calibrated stones; identification of authenticity, treatments and geographical origin where possible.
Identification of Biogenic Materials
Identification of biogenic materials and species; reports for corals, pearls, wood, amber and tortoiseshell in line with CITES requirements.
Gemmological Consulting Services
Consulting for training courses, setting up gemstone and diamond laboratories, prototype instruments, purchasing analysis equipment, legal cases and recutting diamonds or gemstones.
Gemmological Instruments
Developed and distributed analysis instruments for authentication, synthetic discrimination, treatment disclosure and origin determination.
Trust & reputation

ranQ Trust Score of GGTL Laboratories Instruments Sàrl

Trust Score

No score yet

x

A published score requires a data basis of at least 50% and data from at least two criteria groups other than identity. Missing evidence: Review quality, Review volume, Review recency, Website authority, Media authority

Data basis 50% · As of October 2026

GGTL Laboratories Instruments Sàrl has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
x
CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
GGTL Laboratories Instruments Sàrl scores 50.8 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
x
CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.25.012%
  • Company size: The headcount band, researched by ranQ or stated by the company. It is scored in steps rather than by head count, because the data only provides bands.55.07%
GGTL Laboratories Instruments Sàrl scores 83.3 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
x
CriterionValueWeight
  • Verification: Official register entry (commercial register with UID or professional-body record, 55 points), confirmed domain (20 points) and confirmed ranQ profile (up to 25 points, depending on completeness).83.322%
GGTL Laboratories Instruments Sàrl has no value in the Visibility area of the ranQ Trust Score because no data is available. The area carries 8% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
x
CriterionValueWeight
  • Website authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%

The data basis is 50%, below the threshold at which ranQ publishes a score. Evidence is missing for: Review quality, Review volume, Review recency, Website authority, Media authority. As of October 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

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Location

Hier entsteht die Karte
Route des Jeunes 4bis
1227 Les Acacias

At a glance

Legal form
Limited Liability Company
UID
CHE-243.706.032
Founded
2025 · 1 year
Last commercial register change
August 13, 2025
Employees
1 to 10
Legal form: Graded by liability and disclosure. The weight is kept small: a sole proprietorship is not a dubious company, it is just liable differently.88.06%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
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