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  1. Books 17 items
  2. Colour Filters, Spectroscopes and Dichroscopes 11 items
  3. Diamond Grading 6 items
  4. Gem-A Merchandise 4 items
  5. Light Sources and Torches 16 items
  6. Loupes and Magnification 16 items
  7. Microscopes and Accessories 4 items
  8. Polariscopes 4 items
  9. Portable Instruments Kit 2 items
  10. Refractometers and Accessories 8 items
  11. Stone Testers 7 items
  12. Tweezers and other Essentials 8 items
  13. Weight Estimation and Measurement 9 items
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  1. Diamond Grading ABC: The Manual by Verena Pagel-Theisen
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    Diamond Grading ABC: The Manual by Verena Pagel-Theisen
    £49.50 £49.50
    Currently not available
  2. Gem-A 15x LED Triplet Loupe Gem-A 15x LED Triplet Loupe
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    Gem-A 15x LED Triplet Loupe
    £36.00 £30.00
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  3. Gem-A 20x Loupe, with chrome finish and rubber grip Gem-A 20x Loupe, with chrome finish and rubber grip
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    Gem-A 20x Loupe, with chrome finish and rubber grip
    £26.40 £22.00
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  4. Gem-A Calcite Dichroscope Holder
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    Gem-A Calcite Dichroscope Holder
    £21.00 £17.50
    Currently not available
  5. Gem-A Instruments 1.78-1.79 Refractive Index Liquid
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    Gem-A Instruments 1.78-1.79 Refractive Index Liquid
    £51.00 £42.50
    Currently not available
  6. Hanneman/Hodgkinson Tanzanite Filter Set
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    Hanneman/Hodgkinson Tanzanite Filter Set
    £38.40 £32.00
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  7. New Schneider L2 10x Loupe New Schneider L2 10x Loupe
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    New Schneider L2 10x Loupe
    £348.00 £290.00
    Currently not available
  8. Photoatlas of Inclusions in Gemstones (Vol. 1) by Dr. Eduard J. Gübelin & John I. Koivula Photoatlas of Inclusions in Gemstones (Vol. 1) by Dr. Eduard J. Gübelin & John I. Koivula
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    Photoatlas of Inclusions in Gemstones (Vol. 1) by Dr. Eduard J. Gübelin & John I. Koivula
    £230.00 £230.00
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  9. Photoatlas of Inclusions in Gemstones (Vol. 2) by Dr. Eduard J. Gübelin & John I. Koivula Photoatlas of Inclusions in Gemstones (Vol. 2) by Dr. Eduard J. Gübelin & John I. Koivula
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    Photoatlas of Inclusions in Gemstones (Vol. 2) by Dr. Eduard J. Gübelin & John I. Koivula
    £240.00 £240.00
    Currently not available
  10. Professional Fibre Optic Light with Double Arm Professional Fibre Optic Light with Double Arm New
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    Professional Fibre Optic Light with Double Arm
    £540.00 £450.00
    Currently not available
  11. SSEF Synthetic Diamond Spotter SSEF Synthetic Diamond Spotter
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    SSEF Synthetic Diamond Spotter
    £570.00 £475.00
    Currently not available
  12. Tanita 1230 Precision Scale
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    Tanita 1230 Precision Scale
    £264.00 £220.00
    Currently not available

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Company Information

Store Hours of Operation:
Monday - Friday: from 9:30 to 16:30

VAT Registered:
GB 995 8813 45
Company Registration no: 00838324

Contact Information

Gemmological Instruments Ltd., 21 Ely Place, London, EC1N 6TD

+44 (0)207 404 3334

instruments@gem-a.com

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