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Jewelry Care: Cleaning, Storage, and What Damages Stones
Most jewelry damage is slow, quiet, and preventable. This guide covers safe cleaning for every common material, storage that prevents scratches and tangles, and the everyday habits that ruin stones.
Jewelry rarely breaks all at once. It fades, loosens, scratches, and tarnishes a little at a time, and by the time the damage is visible it is often expensive to fix. The good news is that most of it is preventable, and the prevention is mostly habit: how you clean a piece, where you put it down, and what you expose it to. This guide covers cleaning, storage, and the specific substances and situations that damage stones and metals, so that the pieces you own now still look good in ten years.
The single most important principle is that different materials need different care. A cleaning method that is perfect for a diamond can ruin a pearl, an opal, or an emerald. If you remember only one rule, make it this one: never apply a cleaning method to a piece until you know what it is made of. When in doubt, warm water and mild soap are safe for almost everything, and everything else should be checked first.
The Safe Default: Warm Water and Mild Soap
For most jewelry, the best routine cleaning is unglamorous and effective. Fill a small bowl with lukewarm water, add a few drops of mild dish soap — the plain kind, without antibacterial agents or heavy fragrance — and soak the piece for fifteen to twenty minutes. Then brush gently with a soft toothbrush, paying attention to the back of the setting where skin oils and lotion collect, rinse under lukewarm running water with the drain covered or the piece in a strainer, and pat dry with a soft, lint-free cloth. That is the whole method, and it is enough for diamonds, sapphires, rubies, gold, and platinum.
The details matter. Lukewarm, not hot: sudden temperature changes can stress some stones, and hot water can loosen the adhesives used in some settings. A soft brush, not a hard one: a stiff brush can scratch gold and can dislodge small stones. A strainer or a plugged sink, not an open drain: a surprising number of earring backs and small pendants are lost during cleaning. And drying matters too — water left in a setting can leave spots on the metal and can encourage tarnish on silver.
What Never to Put on Certain Stones
Pearls are the most delicate common jewelry material. They are organic, porous, and soft — around 2.5 to 4.5 on the Mohs hardness scale, compared with 10 for diamond — and they are damaged by acids, including the acids in perfume, hairspray, and even perspiration. Never soak pearls, never use an ultrasonic cleaner on them, and never clean them with anything stronger than a soft cloth barely dampened with water. Wipe pearls after every wearing, put them on after perfume and makeup, and restring a pearl necklace every one to two years if it is worn regularly, because the silk thread stretches and weakens.
Opals are also soft and porous, and they contain water — typically 3 to 20 percent of their weight. They can crack if they dry out, and they can be damaged by heat, by sudden temperature changes, and by chemicals. Clean an opal with a soft damp cloth only, never soak it, and never put it in an ultrasonic cleaner. Turquoise is similarly porous and soft; it absorbs oils, lotions, and chemicals, which can permanently change its color, so it should be wiped with a dry cloth and kept away from cosmetics.
Emeralds deserve a special warning because almost all of them are oiled. Natural emeralds contain fissures, and the trade routinely fills those fissures with oil to improve the stone's appearance. That oil can be stripped out by ultrasonic cleaners, steam cleaners, and harsh solvents, leaving the stone looking cloudy and included. Clean emeralds only with lukewarm soapy water and a soft brush, and never let a jeweler steam-clean an emerald without confirming that they know it is an emerald.
| Material | Safe cleaning | Never use | Notes |
|---|---|---|---|
| Diamond, sapphire, ruby | Warm soapy water; ultrasonic usually safe | Nothing commonly — but check the setting first | Hard stones; the setting is the weak point |
| Gold, platinum | Warm soapy water; soft cloth | Abrasive polish on plated pieces | Solid gold is forgiving; plated gold is not |
| Sterling silver | Silver cloth; warm soapy water | Dips used too often (they strip the surface) | Tarnish is normal; polish gently |
| Pearls | Damp soft cloth only | Soaking, ultrasonic, steam, acids | Wipe after every wear; restring regularly |
| Opal | Damp soft cloth only | Soaking, ultrasonic, steam, heat | Contains water; can crack if dried out |
| Emerald | Lukewarm soapy water only | Ultrasonic, steam, solvents | Almost all emeralds are oiled |
| Turquoise | Dry soft cloth | Water soaking, chemicals, ultrasonic | Porous; absorbs oils and changes color |
| Cubic zirconia | Warm soapy water | Harsh abrasives | Scratches more easily than diamond |
Ultrasonic and Steam Cleaners: Useful, With Limits
An ultrasonic cleaner uses high-frequency sound waves to shake dirt loose, and it is remarkably effective on diamonds, sapphires, and rubies in sturdy settings. Many jewelers offer ultrasonic cleaning for free, and home ultrasonic cleaners are inexpensive. But the same vibration that dislodges dirt can dislodge a loose stone, and it can damage fragile stones and some settings. Never use an ultrasonic cleaner on pearls, opals, emeralds, turquoise, amber, or any stone with visible fractures. Never use it on a piece with a stone you have not had checked recently — if a prong is already loose, the cleaner will finish the job, and the stone may be lost in the machine.
Steam cleaners work similarly and carry similar limits, with the added risk of heat. They are excellent for diamonds and should be kept away from everything soft, porous, or oiled. The practical rule is to let a professional decide: a jeweler who inspects the piece first and then chooses the cleaning method is doing the job properly. A jeweler who drops every piece into the ultrasonic without looking is not.
Storage: The Damage You Don't See Happening
Most scratches happen in storage, not in wear. Diamonds scratch everything, including other diamonds, and gold scratches easily. A jewelry box where pieces are tossed together is a slow-motion accident: chains tangle, stones chip each other, and clasps catch on settings. The fix is separation — individual compartments, soft pouches, or anti-tarnish bags — and it does not need to be expensive. A box with divided compartments, or a set of small cloth pouches, is enough.
Silver needs one extra consideration: it tarnishes in air, and it tarnishes faster in humidity. Store silver in a closed container or an anti-tarnish bag, ideally with a small anti-tarnish strip, and keep it away from rubber bands and latex, which accelerate tarnishing. A silver cloth — a soft cloth impregnated with a gentle polish — is the right tool for removing tarnish; a silver dip works but strips a thin layer of metal each time, so it should be used sparingly, if at all.
Chains deserve their own rule: fasten them before storing, and lay them flat or hang them. An unfastened chain in a box will knot, and a knotted fine chain is difficult to untangle without kinking it. Earrings should be stored with their backs on, so the backs are not lost. Rings should be stored separately from each other, because a diamond ring will scratch a gold band left beside it.
Everyday Habits That Damage Jewelry
The most damaging everyday habit is wearing jewelry where it does not belong. Rings should come off for the gym, for gardening, for cleaning, and for swimming. Chlorine attacks gold — it can weaken the alloys in 14k and 18k gold, and in extreme cases it can cause a ring to crack — and it damages many stones. Salt water is less aggressive but still hard on settings. Hot tubs combine heat and chemicals and are the worst of all. The rule is simple: if you would not wear a good watch there, do not wear good jewelry there.
Cosmetics are the second habit. Perfume, hairspray, lotion, and sunscreen should be applied before jewelry is put on, and jewelry should be the last thing you put on and the first thing you take off. The chemicals in these products build up in settings, dull the surface of stones, and damage pearls and porous stones directly. Sunscreen is a particular problem for white gold and for diamonds, because it leaves a film that is difficult to remove without a proper cleaning.
The third habit is ignoring the prongs. A ring's prongs wear down over years of daily use, and a worn prong eventually lets a stone go. The loss is usually silent — the stone simply is not there one day — and it is almost always preventable. Have your rings checked by a jeweler once a year: they will inspect the prongs under magnification, tighten anything loose, and tell you if a prong needs rebuilding. The check is often free and takes minutes. The stone it saves can be worth thousands.
A Seasonal Care Routine
- Daily: put jewelry on last, take it off first; remove rings for the gym, cleaning, and swimming.
- Weekly: wipe pieces you wear often with a soft cloth; check that earring backs are secure.
- Monthly: clean diamonds, sapphires, and gold in warm soapy water; wipe pearls after wearing.
- Every six months: check clasps and chains for wear; store silver with anti-tarnish protection.
- Annually: have rings professionally inspected — prongs, settings, and any stones that see daily wear.
- As needed: restring pearls every one to two years if worn regularly; re-plate white gold every one to three years.
The Bottom Line
Jewelry care is not complicated, but it is specific. Warm soapy water for hard stones and solid metals; a damp cloth for pearls, opals, and emeralds; separation in storage; and an annual prong check. Everything else is a refinement of those four habits. The pieces that last are rarely the ones that were cleaned the most aggressively — they are the ones whose owners knew what they were made of and treated them accordingly.
About the author
Alex Carter is the editor of Lustre Journal. He researches jewelry by reading grading standards, retailer terms, and trade guidance, and by comparing how pieces are actually made, priced, and cared for. He has no commercial relationship with any brand mentioned on this site. Read more on our About page.