Daily useful info

During one day's work, many different on-line sources may be useful. Here goes the links that were useful to me! Let me know yours, especially if some of them are specific to your job or country!

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Let's start with important data to keep in mind:

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1 carat (ct) = 0,2 gram (g)

1 gram (g) = 5 carats (ct)

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Some US companies, like auction houses, may give you the gross weight in pennyweights (dwt).

1 pennyweight (dwt) = 1.55517384 gram (g)

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Converters

Converter from grams to carat: Metric Conversion

Old currency converter: here

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French VAT calculator: www.tva.fr

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Metal rates

Metal rate €urope: Cookson-CLAL

Metal rate in Dollar$ : Kitco

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Translation

On-line very efficient translator: DeepL Translator

One must however be very careful and always have a native person proofread the document that you have translated with an on-line translator, specifically if it tackles technical subjects (manufacturing, contracts, etc.)

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Hallmark research