I made this by cutting then doming a silver circle, before using a technique called reticulation for my signature texture. 
I've added 18ct gold balls and a setting for a gorgeouss natural Australian sapphire. 
The chain measures 28" for a longer, balanced look.
 
Hallmarked at London Assay Office to prove it is of the materials stated. 
Please email me if you have any queries.  I can always be reached at lydia@niziblian.com