You can clean jewelry with dish soap and lukewarm water if it’s plain solid gold, platinum, or securely set, untreated diamonds, but other materials may need different care.
Essential Concepts
Use mild soap; avoid soaking pearls, glued stones, and plated pieces; check uncertain materials with a jeweler.
Related reading: https://www.gia.edu/diamond-care-cleaning and https://www.gia.edu/pearl-care-cleaning
