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Laboratory Services 2010 (PDF, 98 KB)

All fees are given in Swiss Francs (CHF) per stone. For Swiss clients only, VAT of 7.6% must be added to the prices listed. The fees also include the issuance of a Report in English and may be subject to change. In general the Gubelin Gem Lab requires a minimum of 5 working days for testing.

To place an order please use the Gubelin Gem Lab order form available on our website, or request a form by email or post. We ask you to pay special attention to our „General Terms and Conditions“ which are an integral part of the order form. The characters in brackets refer to the respective code used in the order form.


Coloured Stones

Authenticity and Origin Determination of Gemstones

Ruby Sapphire, Emerald Select Coloured Gemstones1
Other Natural or Synthetic Stones Report without origin (A)
Report including origin(B)3 
 up to 1.99 ct2  up to 1.99 ct2  up to 1.99 ct2 up to 9.99 ct
 CHF 160
(Special tariff)

CHF 230
(Special tariff)

2.00-3.99 ct 2.00-7.99 ct 2.00-6.99 ct 10.00-29.99 ct
 CHF 320  CHF  640
4.00-7.99 ct 8.00-14.99 ct 7.00-11.99 ct 30.00-59.99 ct
CHF 400 CHF  800
8.00-14.99 ct 15.00-24.99 ct 12.00-19.99 ct 60.00-99.99 ct
CHF 500  CHF 1000
15.00-24.99 ct 25.00-49.99 ct 20.00-39.99 ct 100.00 ct and over
CHF 650
 CHF 1300
25.00-39.99 ct 50.00-99.99 ct 40.00 ct and over
CHF 800
 CHF 1600
40.00 ct and over         
100.00 ct and over         
 
 CHF 1000  CHF 2000

1
Select Coloured Gemstones include: Alexandrite, Cat's Eye Chrysoberyl, Paraìba Tourmaline,
   Tanzanite, Spinel, Imperial Topaz, Tsavorite,
Spessartine and Demantoid Garnet.

2 For volume submittals of at least 10, the special tariff of CHF 230 per stone is extended for stones weighing
   up to 2.99 ct.

3 Please note that origin is not always determinable. In this case only the authenticity fee will apply.
 




Diamonds

Commercial Diamonds


Authenticity verification and quality grading of unmounted diamonds, applying the 4C's System (C)                      
Diamond Report & Type Note
up to 2.99 ct CHF   330
3.00 - 4.99 ct CHF   440
5.00 - 6.99 ct CHF   600
7.00 - 9.99 ct CHF   800
10.00 - 14.99 ct CHF   1050
15.00 - 19.99 ct CHF   1350
20.00 - 29.99 ct CHF   1750
30.00 - 49.99 ct CHF   2250
50.00 - 79.99 ct CHF   2900
80.00 - 119.99 ct CHF   3600
120.00 ct and over CHF   4400
Fancy Colour Diamonds                                      






 
Colour grading and identification of colour origin (not including clarity grading) (D)

Clarity grading, if requested (E)

Low-temperature analysis for type IIa and fancy colour diamonds                                
 



+ CHF 90

+ CHF 230
     
Diamond Type Note
Diamond Type Note
up to 1.99 ct CHF   190
2.00 - 4.99 ct CHF   280
5.00 - 9.99 ct CHF   370
10.00 ct and over
CHF   460
Diamond Type Notes without report and determination of authenticity and treatments (F)




Pearls

Cultured Pearls (G)

  • Single pearl (loose)
  • Single strand / one-row necklace
  • Each additional row
  • Average Pearl Measurement
    < 8 mm 8 - 12 mm > 12 mm
    CHF  140 CHF  180 CHF  230
    CHF  370 CHF  460 CHF  550
    CHF  180 CHF  230 CHF  280

    Natural Pearls (G)

  • Single pearl (loose)
  • Single strand / one-row necklace
  • Each additional row
  • Average Pearl Measurement
    < 8 mm 8 - 12 mm > 12 mm
    CHF  200 CHF  300 CHF  400
    CHF  500 CHF  700
    CHF  900
    CHF  250 CHF  350 CHF  450



    Additional Services

  • Re-identification (K) :
  • Re-cut of coloured stones / follow-up grading of repolished diamonds.
    A discount is only applicable upon return of the original report prior to examination.

        
    < 5 years: 75% discount
    5-10 years: 50% discount
  • Duplicates (L) : :                                
  • duplicates of original report are only available for
    reports not older than 10 years


    CHF 160

  • Consultancy Service (M) :                                     
  • see General Terms and Conditions                


    CHF 140
  • Precious Metal Analysis (N) :

  • - as integrated part of Gemmological Jewellery Report
    - full Precious Metal Report


    CHF 150
    CHF 250
  • Translations (O & P) :
  • Chinese and Japanese translation of Gemstone Report


    Free of charge
  • Express Service :
  • examinations within 2 working days


    CHF 280 per stone
  • Special Reports :
  • the Gubelin Gem Lab issues special reports for
    jewellery items, rare and/or historical gemstones,
    pearls and rough stones.


    Contact us for details & quote
  • Special analyses :
  • such as damage assessments, inclusion
    analysis with Raman probe, etc.


    Contact us for details & quote
  • Off-premise-testing :


  • - OPT services are performed regularly in New York, Hong Kong, Bangkok (gemstone testing  and diamond type determination) and Basel.
    - Upon request, OPT services are performed at
      the client's location.
     

    See website


    Contact us for details & quote



    External Services

    If required, the services listed below may be carried out by Gubelin Ateliers AG specialists or independent specialised companies, however, only upon the customer's written request and at customer's expense and risk. Please enquire with the Gubelin Gem Lab for details.
    • Unmounting / remounting of gemstones and pearls
    • Restringing of pearls



    Shipping Instructions

    For items sent to the Gubelin Gem Lab from outside Switzerland a valuable cargo specialist must be used. For temporary importation and forwarding to the Gubelin Gem Lab we suggest using one of the following specialised customs clearance agents:

    Brink's Global Services
    www.brinksinc.com
    Malca-Amit
    www.malca-amit.ch
    Ferrari
    www.ferrarigroup.net
    ViaMat
    www.viamat.com
    Secure Post
    (Switzerland only)
    www.post.ch/post-starseite/post-geschaeftskunden/post-logistik/post-securepost



    Payment Details

    Invoices for sercies rendered become due with the competion of the services and shall be paid within 30 days of the invoice date to the following account of the Gubelin Gem Lab:

    Bank:                              UBS AG

    Baarerstrasse 14a
    6300 Zug
    Switzerland

    Bank Clearing No.:      0273
    Swift Code:                   UBSWCHZH80A

    CHF Account No.:        Q9-804.582.0
    CHF IBAN No.:             CH2800273273Q9804582.0

    EUR Account No.:       HN-108.741.0
    EUR IBAN No.:            CH3800273273HN108741.0

    USD Account No.:       Q9-804.582.1
    USD IBAN No.:            CH9800273273Q9804582.1

    All major credit cards are accepted.



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