The subject of the auction is a natural diamond(much more valuable than a synthetic diamond) along with a certificate of the Polish Gemmological Society Expert, Diamond Sky company (Lisiewscy Group), operating for 30 years on the Polish market.
Parameters of the diamond:
Natural diamond
Weight: 0.23 CT
Dimensions: 3.32 x 5.11 x 2.23 mm
Purity : Si2
Shape: teardrop
Proportions: good
Symmetry: good
Grinding finish: good
Grinding grade: good
Color: L
Net value: $500USD, $615USD gross