Thank you for all advice.
@sparky Paul
Thank you for the link to Monroe catalogue.
I did some further research and found that Monroe coils springs are always cheapest, and also one model of coil springs covers all models of Honda Jazz III.
Normally, I do not buy cheapest car parts, as I believe that would be false economy.
Also, I know that Jazz Hybrid is apprx 70 kg heavier then non-Hybrid model, and there may be some tweaks in suspension.
As I intend to keep the car for few more years, I decided to go with offer from Cox - pair of OEM front coil springs for £103 delivered.
I can only hope that the coil springs are only parts damaged during few miles drive to home after they broke.