GCS Reports Prices

Please find the printable GCS price list (.pdf) by clicking on the button below:

Download our price list


Please Note:
  • All prices in British pounds, without VAT, without shipping fee.
  • GCS prices may be subject to change without notice.

Gemmological Information

All our gemstones and pearls certificates follow the rules edicted by the LMHC - a committee of international renowned gemmological laboratories - you can download all LMHC's information sheets by clicking on the links below :

Gem Lab reports

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Corundum - residues of heating

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Corundum - lattice diffusion

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Corundum - with glass

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Corundum - heating indications

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Padparadsha sapphire

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Emerald - fissure filling

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Paraïba tourmaline

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Gemstone with color authenticity undetermined

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Alexandrite and other colour-change gemstones

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Amber and Copal

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Jade and related minerals

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Pearls

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You can also fond some precious informations on the website of the World Jewellery Confederation. You can also download the CIBJO blue books through the links below:

Diamond Book

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Gemstone Book

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Gem Lab Book

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Pearl Book

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Precious Metals Book

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