CONNOISSEURS Diamond Dazzle Stik - Portable Diamond Cleaner for Rings and Other Jewelry - Bring Out The Sparkle in Your Diamonds and Precious Stones

I personally use this for my engagement ring with hot water: https://www.amazon.com/dp/B00459VM6I?ref_=ppx_hzsearch_conn_dt_b_fed_asin_title_6&th=1 A jewelry store strength ultrasonic cleaning machine would also do the trick, but i think they'll only clean the pieces if it was purchased there.

https://www.amazon.com/dp/B09QMPYRB7dip for a minute or so, rinse and dry. good as new. get this for when ur traveling and u want to stay sparkly. https://www.amazon.com/dp/B00459VM6I. you’ll be dazzling 24/7 ✨