Rings, regularly worn, need periodic cleaning to remove the film caused by, cosmetics, soap, and skin oil that may cloud the ring's beauty--. Diamonds, for example, have an affinity for grease and literally collect oils in dish water. Remove rings before routine household chores and clean rings regularly.
Activity which might subject a gemstone to sharp blows-such as gardening, working with hand tools, or playing sports-may also damage a gemstone. Diamonds are also susceptible to damage from an impact which might cause them to chip or crack.

Put jewelry on after you apply hair spray or cosmetics. Chemicals present in either may cause damage, especially to cultured pearls. Wipe your pearls with a soft chamois or flannel cloth after each wearing to remove your skin's oils and salts.

A very few colored gemstones, such as kunzite, may fade when worn in sunlight or in a tanning booth.

Few watches are waterproof, though many are water resistant. If moisture or dust has penetrated the case of your watch, have it checked only by an authorized technician. Attempts by an untrained repair person may seriously damage the watch and invalidate factory warranties.