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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,765 companies indexed · Last updated: today
DirectoryRetail & CommerceWholesale - Watches & JewelryLes AcaciasShanghaï Gems SA
Shanghaï Gems SA Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Shanghai Gems S.A. is the trade of pearls, particularly cultured pearls and natural pearls. The company sources pearls directly from producers and offers them, sorted by quality, shape, size, color and luster. It also provides its own processing and polishing of pearls at its facility in Geneva and manufactures jewelry pieces such as necklaces.

AI-generated
Offering

Products & services

Industry:Wholesale - Watches & Jewelry
✓ Offered4
Cultured pearls in loose lots and strands
Wide range of cultured pearls looses and strands, sorted by quality, shape, size, color and lustre; available in many shapes and colors.
Natural pearls
Natural pearls including conch pearls and other rare sea pearls, offered in a range of forms and selected for customers’ markets.
Pearl jewellery
Pearl jewellery collections with precious stones, cultured pearls or natural pearls; necklaces, earrings, bracelets and rings in 18K gold or 925 silver.
Processing of pearls
Processing and polishing of cultured pearls in Geneva workshop, using natural products; sorting and finishing to preserve lustre and quality.
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4.1/5

Shanghaï Gems SA

Trust & reputation

ranQ Trust Score of Shanghaï Gems SA: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

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Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

Shanghaï Gems SA 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.
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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%
Shanghaï Gems SA scores 85.5 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.100.012%
  • 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%
Shanghaï Gems SA scores 83.3 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
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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%
Shanghaï Gems SA scores 62.9 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
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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 35.62.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Shanghaï Gems SA reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 54%, so the score is backed by part of the criteria. As of October 2026.

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

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Location

Route des Jeunes 5 a
1227 Les Acacias

At a glance

Legal form
Corporation
UID
CHE-106.475.537
Founded
1989 · 37 years
Last commercial register change
February 11, 2026
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.
100.0
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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