Approximate Translation

Outer Circle: For the wellbeing of the soul, the lamp of mourning should burn, my eyes shalt only cry, my heart shalt only know prayers.

Top: I am the crown of my head (ambiguous)

Bottom: Peace to the Ashes (Rest in Peace)

Inner Circle: Deep into the heart may it be written, the dying day of my beloved, hallowed, pious prayers may he (the day) be to sadness always, to happiness never).

Souvenir of the dying day of my eternalized dear parents
Bernhard Jacobi died 1863
Sarah Jacobi, born Belmont, died 1875