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!

​

First of all, let's start with important data to keep in mind:

​

1 carat = 0,2 gramme

1 gramme = 5 carats

​

Need a converter ?

​

In order

​

Petit titre