18ct Blue Enamel Diamond Victorian Locket

This is a supurb Victorian, c 1870, enamel and diamond locket it made is 18ct Yellow Gold.
The face of the locket is enamelled with 12 diamonds making a cross, set in gold.
The reverse side is an open locket ready for your photo of your loved one.
This locket weighs 5gms and measures20mm by 15mm.