Today, the International Diamond Council , or IDC, designation is an internationally recognised way to define and classify the colour of diamonds. But that hasn’t always been the case. Before the IDC was formed in 2000 in Antwerp, Belgium, there were other scales to determine a diamond's colour, some of which are still used as well today.
Terms like Top Wesselton andWesselton are phrases that refer to the old denominations of the colour of diamonds. These terms can be paired with the GIA letter designations and English denomination descriptive terms.
Today, the colour of a diamond is indicated by gradations of whiteness which go from D to Z. Previously, the colour of a diamond was indicated by variations from Jager to Light Yellow. The old terms Top Wesselton and Wesselton respectively correspond with the new denominations G and H, which we offer at BNT Diamonds.
To compare the different designations of diamond colour, below you will find an overview of the new and old names of these colours. This model of colours is officially used by the IDC (International Diamond Council).
Finest white +
Fine white +
Lightly tinted White +
Lightly tinted white
Tinted white +
Very Light Yellow
Knowing the different descriptors in diamond colour can help to choose the best diamond investment for you.