8mm wide and a size U platinum slate inlay ring with Elterwater / Westmorland Green mix. NFC chip inlaid if possible - to trial.
Total cost including hallmarking, labour, materials and shipping. 
As standard, after ordering we always send 3D printed rings in the width ordered and a selection of sizes around a U to make sure the final fit will be comfortable.
Total cost £1250
£625 to pay upon ordering
£625 to pay before dispatch
Should the size / width reduce we can reduce the second payment accordingly.
Delivery in September