Teresa Smith-Craig was at the hairdressers when she found out the pounamu stolen from her dead seven-year-old son's grave had finally been returned.

The large rock-sized greenstone was ripped from the headstone of Isachaar Smith-Craig's grave at Mangaroa Cemetery near Hastings last December, about a week after it had been placed there.

The family had given up hope, but about 12.30pm on Tuesday it was returned to the birdbath at the family home - including the pieces that broke off when the thieves tore it from its bolted spot on Isachaar's grave.

Isachaar was youngest of Smith-Craig's six children, died