9ct gold Aquamarine necklace/pendant

This pendant features an aquamarine stone set in a 9ct gold mount, suspended on a 9ct gold chain. The aquamarine measures 5mm by 7mm. The chain is 45.5 cm (18"). The bale of the pendant and the chain each carry a partial set of British 9ct gold hallmarks. Pre-owned, it is in ecellent condition. It does not have a box. Please see photos which form an important part of the description.