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How Much Does It Cost to Fix a Loose Diamond or Broken Prong? (2026)

“I think a stone is loose — how much is that going to cost to fix?” I get some version of this text almost every week, usually with a blurry photo taken in a parking lot. So let me answer it the way the jewelry industry usually won't: most loose-stone and prong repairs land between $45 and $350. The ones that run higher are almost always the ones someone put off for a year. Here's the full picture before you hand your ring to anyone.

What common repairs actually cost

These are the real ranges I quote in my Santa Monica studio in 2026. Your number depends on the metal, the karat, and how much wear is already there — but this is the honest field of play.

Repair Typical cost
Tightening a loose stone $45 – $95
Re-tipping one worn prong $45 – $85
Rebuilding or replacing a single prong $85 – $250
Replacing the whole worn head (setting) $150 – $400
Re-shanking a thin, worn band $250 – $600
Soldering a broken chain or clasp $45 – $95
Rhodium re-plating white gold $60 – $120

Platinum work sits at the higher end of every range, and I'll tell you that up front rather than surprising you on pickup. Platinum is denser and harder to work, so the labor genuinely costs more — but it also lasts longer, which is usually worth it.

Why a $60 fix becomes a $600 one

Prongs are the tiny metal fingers holding your stone in place, and they wear down the same way the tread on a tire does — slowly, then all at once. Re-tipping a prong while there's still metal to work with is a $60 job. Waiting until a prong snaps and the stone falls out is a different conversation, because now you're paying to replace a diamond, not to repair a claw.

This is the reframe I want you to leave with: the cheapest repair is the one you do before the stone is gone. A loose stone that rattles is not an inconvenience you get to schedule around your life. It's a countdown.

How to check your own ring at home

Hold the ring next to your ear and tap it gently against the back of your other hand. If you hear or feel a faint click or rattle, the stone is moving in its setting — bring it in. Then look at the prong tips under a bright light: if they look flat, thin, or snagged rather than rounded, they're on their way out. Rings worn every day — engagement rings especially — deserve this ten-second check every couple of months.

When a repair isn't the answer (and I'll say so)

Sometimes I look at a piece under the loupe and tell someone not to keep patching it. If the head has worn so thin that re-tipping is just a band-aid, or the band has gone paper-thin from decades of wear, another quick fix is money spent twice. In those cases I'll often suggest resetting the stone into a fresh, sturdy setting instead. A reset costs more than a repair — that's the honest tradeoff — but you stop paying for the same problem every eighteen months.

It's also worth knowing that some settings simply need less of this. A bezel setting, where a smooth rim of gold wraps the whole stone instead of gripping it with prongs, has nothing to bend or snag — it's the most low-maintenance way to wear a diamond, which is exactly why I steer hard-on-their-jewelry clients toward it. The same logic applies to a bezel-set pendant like our Oval Cut Diamond East-West Bezel Necklace (from around $850). If you love the look of prongs, a low three-prong martini setting like our Round Brilliant Cut Diamond Martini Stud Earrings (from $595) sits the stone close and secure rather than high and exposed.

How a repair works with me

It starts with a free consultation — in person here in Santa Monica, or virtually from anywhere in the U.S. I look at the piece under magnification, tell you what's actually going on, and quote you before any work happens. Nothing gets touched until you've said yes to the number. Most straightforward tightenings and re-tips are back on your hand within a week; bigger jobs like a new head or a re-shank take a little longer, and I'll give you a real date, not a vague “soon.”

A few questions I get

Is a loose stone an emergency? Close to it. Stop wearing the piece and get it looked at — wearing it is how the stone gets lost.

Will you put my exact diamond back? Yes. Your stone is your stone; a repair keeps it. I only ever discuss replacing a stone if it has actually been lost or is too damaged to reset safely.

Can you tighten prongs on a ring you didn't make? Absolutely — most of the repairs on my bench are pieces from somewhere else, including heirlooms.

My white gold looks dull and grayish — is that a repair? That's usually just worn rhodium plating, not damage. A re-plate brings the bright white back. I wrote more about that in this post on why white gold looks yellow.

If a prong is bugging you, or you've been avoiding a ring because something feels off, don't wait for the stone to make the decision for you. Book a complimentary consultation — in person in Santa Monica or virtually from anywhere in the U.S. — and I'll tell you honestly whether it's a quick fix, a bigger job, or a good moment to reset the stone into something new. For keeping your pieces healthy between visits, my guide to caring for fine jewelry the right way is a good place to start.

Kate Price is the founder of Kate Rose Fine Jewelry, a Santa Monica studio specializing in heirloom redesign and custom fine jewelry.

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