Natural diamond 0.13 CT Si1
The exact parameters of the diamond can be seen on the certificate (photo number 4).
The certificate confirmed by the Polish Gemological Society's appraiser, along with a net valuation of 400 USD. 492 USD gross.
The upward dynamics of diamond prices, due to the extremely expensive mining and declining deposits, is maintained at a strong, stable level.
With a dollar exchange rate of 4.4 PLN, the gross value of a diamond is 2165 PLN.