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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryIndustryJewelry & Precious Metal ManufacturingBülachGEMstandART KLG
GEMstandART KLG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The company is a precious stone dealer specializing in the trade of colored precious stones. The core activity includes the direct procurement of precious stones from the countries of origin, the selection and sale of high-quality precious stones to jewelers and goldsmiths in Switzerland, as well as the cutting and processing of precious stones in its own workshop.

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Offering

Products & services

Industry:Jewelry & Precious Metal Manufacturing
✓ Offered3
Consulting
Advice on gemstones for jewellery, gifts and investment; personal visits or reception at the office, with presentation of the sales collection.
Sale of coloured gemstones
Sales collection with individually selected coloured gemstones, matching pairs and combinations; for the most part from around 3 ct, personally selected and traded directly.
Gemstone cutting
Grinding work in our own workshop, re-shaping of gemstones, polishing inherited stones, plus minor repairs and touch-ups.
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GEMstandART KLG

Trust & reputation

ranQ Trust Score of GEMstandART KLG

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, Media authority

Data basis 54% · As of October 2026

GEMstandART KLG 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%
GEMstandART KLG scores 72.1 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.79.212%
  • 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%
GEMstandART KLG 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%
GEMstandART KLG scores 0.0 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
x
CriterionValueWeight
  • Website authority: Ahrefs' Domain Rating measures, on a scale of 0 to 100, how strongly a website is linked from other websites. For Swiss SMEs the range up to 40 is typical; the maximum is reached at 35.0.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%

The data basis is 54%, below the threshold at which ranQ publishes a score. Evidence is missing for: Review quality, Review volume, Review recency, Media authority. As of October 2026.

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

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Location

Wisentalstrasse 17
8180 Bülach

At a glance

Legal form
General Partnership
UID
CHE-249.548.381
Founded
2018 · 8 years
Last commercial register change
April 2, 2024
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.
79.0
6%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
    • Full methodology

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