Two spectacular pieces of actress Angelina Jolie's jewellery are being sold through Hong Kong's Tiancheng International auction house on June 15.

Angelina Jolie has recently launched her own jewellery line named Style of Jolie

The jewellery, a necklace and a ring, is being auctioned to raise money for Jolie's charitable foundation, the Education Partnership for Children of Conflict.

The necklace, a vintage diamond choker that was sourced by jeweller Robert Procop for Jolie's part as Elise in the 2010 film The Tourist, is valued at $773,000.

Following is an emerald ring that Jolie designed herself in collaboration with Robert Procop, which was worn by the star at the premiere of Kung Fu Panda at the 2011 Cannes Film Festival. It is expected to raise up to $193,000.

Earlier this month, a topless photograph of Angelina Jolie was bought for £30,000 ($45,570), with the winning bidder rumoured to have been her husband, Brad Pitt.