Gold plated jewelry in 18 k gold plated (anti allergy and itch) is very similar to the original gold. Gold plated jewelry/white gold/silver/can last for many years if treated well.
Maintenance advice: So durable and does not change color/fade its gold coating, avoid being exposed to friction with other hard items, perfume, alcohol, hair spray , body lotion, soap, make up, sweat and other chemical-containing liquids. Once in use as well as in the wipe dry with a soft cloth to always clean and dry.