The dark blue sapphire of rounded shape, characteristic form featuring an engraved Kufic inscription.
In Kufic reading "Allah Muhammed" .
During the first four centuries of Islam, mainly cabochon stones such as the present example were carved, Inscribed gemstones were also used as talismans or for personal adornment, the choice of material depending on the wealth of the commissioner.
Weight 2.3 gr.
Length 1.7 cm.