A Gold wedding band or a signet ring I guess!!
Jewelry that is uncomfortable or jewelry that you make have an allergic reaction to should not be worn.
Yes. Jewelry stores have mezuzot you can wear as pendants.
Ring
The bracelet.
Whenever you wish
Parure
jewelry
An ornament worn on the feet is a nupur. It is a piece of jewelry worn around the ankles (an ankle bracelet).
Incase you get ring-sting.
Neck
tiara
Aklia and Kate Lindsay