Rules for establishing the value and the quality of an diamond.

Rules for establishing the value and the quality of an investment diamond.
The value of a diamond is established by the determination of its quality characteristics,
the well-known 4”C’s”, valid symbols throughout the World.

Carat = wight:
The weight of a diamond is measured in carats. One carat corresponds to a weight of 0.200 grams. Its quotation on the market is valued in one hundredths of a carat

Colour = colour:
The most important characteristic of an investment diamond is undoubtedly the colour, seeing that the price is also established according to the colouring of the gems.For investment diamonds only the first three shades: RIVER, TOP WESSELTON and WESSELTON (D-E-F-G-H).

Clarity = Reinheit:purezza=Clarity-pureness
The internal characteristic of a diamond is clarity. According to the international directives, the clarity of a diamond can only be established with an enlargement ten times the size of the original.
Only stones with a very high degree of clarity should be purchased as investment diamonds, that is
1F (lens clarity)
VVS/1-VVS/2 (including minimal impurities)
VS/1-VS/2 (with few impurities) Absolutely pure IF
Very Very Small Impurities 1 VVS1
Very Very Small Impurities 2 VVS2
Very Small Impurities 1 VS1
Very Small Impurities 2 VS2
Small Impurities 1 SI1
Small Impurities 2 SI2
Impurities P.1 P.2 P.3

Cut =cut
Diamonds can be cut in different shapes, but only the 8-symmetric brilliant cut with 57 facets (round cut), has Worldwide recognition. The proportions and the symmetry should lye within Very Good-Very Good and Good-Good.