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!

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

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

1 gram (g) = 5 carats (ct)

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

1 pennyweight (dwt) = 1.55517384 gram (g)


Converter from grams to carat: Metric Conversion

Old currency converter: here

French VAT calculator: www.tva.fr

Metal rates

Metal rate €urope: Cookson-CLAL

Metal rate in Dollar$ : Kitco


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.)

Hallmark research