Can I wear my engagement ring in the pool without damaging it?

No. I don't care if it's a chlorine pool, a saltwater pool, or a hotel hot tub. An engagement ring in the pool is a risk I ask every client not to take. I've repaired enough pitted, cracked shanks from lap swimmers to have no patience for this one.

What chlorine actually does to gold

Chlorine doesn't dissolve gold in one swim. What it does is worse in slow motion. Most engagement rings are 14k or 18k, which means they're an alloy: 58.5% or 75% gold and the rest copper, silver, nickel, palladium, or zinc. Chlorine goes after those base metals first. Over time, repeated exposure leaches them from the surface, leaving microscopic pits and weak spots. The prongs that hold your stone are exactly where that damage concentrates because they're under constant tension from setting.

18k yellow holds up better than 14k white. Nickel-based white gold is the worst in a pool because nickel is exactly the metal chlorine wants to react with. I've seen a 14k white gold engagement band come out of a summer of daily swimming with what looked like tiny orange-peel pitting along the bottom of the shank. The client, a woman named Dana, told me she only took it off to wash dishes. She'd been doing laps for six months in a community pool that smelled, in her words, like a cleaner aisle. The ring needed a new half shank. That's not a cheap repair.

Platinum survives pool chemicals better than 14k or 18k gold. That's the only thing I'll say in its favor here. But a pool is not a chemistry lab. It's a place with ladders, ledges, and hard tile, and a hard knock against a pool edge can bend a platinum prong just as easily as a gold one. Plus cold fingers shrink the same way in platinum. Chemical resistance isn't the same as safe.

It's not just the chlorine

Pool water is a chemistry experiment, and it's rarely just chlorine. There's pH adjuster, algaecide, sweat, sunscreen, hair product, and sometimes enough chloramine to make your eyes sting. Sunscreen is the one people forget. It gets under the stone, mixes with dead skin, and bakes into a paste around the prongs. Then chlorine gets trapped in that paste against the metal. The stone may be a diamond and chemically indifferent to all of it, but the setting is not. If the ring has any emerald, opal, pearl, turquoise, or fracture-filled diamond, the water itself is a problem. Chlorine and pool chemicals can strip oils from emeralds, craze opals, and dissolve the resin in fracture-filled stones.

Hot tubs are worse chemically because heat speeds up the chlorine reaction. Saltwater pools still have chlorine or bromine, just generated differently. The salt itself is not the problem. The sanitizer is. If you're sitting in a hot tub with a ring on, you're doing the metal equivalent of leaving it in a warm bleach bath. Rhodium plating on white gold fades faster in that environment, which is why some white gold rings look yellowish after one vacation.

Cold water makes rings disappear

A pool ring isn't only about chemical damage. Cold water shrinks your fingers. I don't mean by half a size, but enough that a ring that fit snugly at the kitchen table feels loose in a 78-degree lap pool. Add soapy sunscreen to wet skin and the ring turns into a bar of wet soap in a shower. Every summer I get at least one phone call from someone who lost an engagement ring in a lake, a pool, or the ocean and only noticed when they got back to the car. Pools are especially bad because the drain at the bottom is smooth and reflective, and a diamond is the same color as the water when it's face down at the deep end.

What to do instead

Take it off. Before you get into the water, not after. Put it in a hard case, not a towel, not a beach bag, not the hotel tissue box. I make this mistake all the time with my own watch: I wrap it in a sock, then forget which sock. Better to have one dedicated small case for rings and never open it anywhere near the pool.

If you really want a ring on your hand while swimming, buy a silicone band. They cost about $20, they don't scratch the pool ladder, and if you lose one you won't be sick about it. I don't sell them. I recommend them to every client who insists on wearing a ring in the water.

If it already went in the pool

One accidental swim will not destroy a well-made ring. Rinse it in fresh water when you get out, then clean it at home with warm water, a drop of mild dish soap, and a soft baby toothbrush. Dry it with a lint-free cloth, not paper towel. If the center stone feels loose, if the prongs catch on a silk scarf, if the ring suddenly looks dull or yellowish, bring it in. That's a five-minute inspection and I'd rather do it before a stone falls out than after.

I keep a small bowl by my own back door with a couple of rings in it. The pool is forty feet away. The bowl is where the good rings stay.