How do I know if a custom ring maker is legitimate and experienced?

I'll tell you the same thing I tell every client who walks into my studio with a name from Google: the jewelry industry has almost no barrier to entry. Anyone can buy a CAD file from Etsy, drop a casting off at a local shop, and call themselves a custom jeweler. Separating the real ones from the people who just own a website takes about fifteen minutes of honest looking.

Start with the workshop, not the website

A legitimate custom jeweler will show you their bench. Not a polished showroom - the actual workspace. Ask for a video walk-through or an in-person visit. You want to see a Foredom flex shaft hanging from a ceiling hook, a GRS engraving block bolted to a bench pin that's been worn into a specific shape over years, and a pickle pot that's clearly seen some use. If they can't or won't show you the workspace, that's the first red flag.

The questions a real jeweler can answer without hesitating

I've got about twenty-two years at the bench, and I can tell you within thirty seconds whether the person on the other end of the phone actually knows what they're doing. Here are the questions that separate the fabricators from the order-takers:

"What's your preferred alloy for platinum - ruthenium or cobalt?" If they hesitate, they're not casting their own work.
"How do you handle resizing on a tension-set ring?" A real jeweler will tell you flat out that tension settings can't be sized more than half a step without re-making the shank. Anyone who says "no problem" hasn't done it.
"Do you hand-fabricate or cast?" The honest answer is usually "both, depending on the design." Anyone who claims to hand-fabricate everything is either lying or charging you for time you don't need to pay for. Anyone who only casts and never hand-fabricates probably can't fix the piece when something goes wrong.
"What's your timeline?" Six to ten weeks is real. Anyone promising two weeks is either using stock heads and finishing in a day or cutting every corner that matters.

Look at the work, not the hashtags

A legitimate jeweler's portfolio should show mistakes. Not glamour shots - real work. A ring with a prong that needed to be re-tipped. A setting where the stone sits slightly wonky because the client insisted on a specific cut that didn't play well with the design. Those are the pieces that teach you something. If every photo is a perfectly lit, face-on shot of a center stone with zero indication of what the gallery or the underside looks like, they're hiding something.

Last March a woman named Rachel came to me with a ring she'd bought from an online "custom" jeweler. The website was beautiful. The ring was a disaster - the head was a Stuller stock mount, the shank was cast in two pieces and poorly soldered, and the stone was set at an angle visible to the naked eye. She paid about $4,800. I charged her $380 to fix it properly, and I told her the next time, ask to see the bench.

Check the credentials that actually matter

A GIA Graduate Gemologist credential means the person can read a lab report and understand what they're looking at. It doesn't guarantee they can set a stone. The AGS (American Gem Society) certification is more rigorous. The Jewelers of America bench certification is a better signal for actual fabrication skill. If someone claims to be a master jeweler, ask who they apprenticed with and for how long. I did three years in Florence under a master goldsmith. That's real training. A six-week course at a trade school is not.

The three things to verify in person

Ask to see a piece mid-fabrication. A real jeweler will have something on the bench that isn't finished - a ring in the rough-cast stage, a setting with prongs that haven't been filed yet. That's the work.
Ask about their casting house. A legitimate custom jeweler knows their caster by name and can tell you whether they use vacuum casting or centrifugal, whether they outsource or have their own machine. "I send it out" without naming the foundry is a yellow flag.
Ask what happens when a setting goes wrong. If they've never cracked a stone or had a casting fail, they're either lying or haven't been doing this long enough. I've ruined about four stones in twenty-two years. I remember every one. The real test is how they handle it - full disclosure, no charge, and a new stone set right.

The bottom line

A legitimate custom jeweler doesn't need to convince you they're legitimate. They can show you the work, name their suppliers, admit what they can't do, and give you a timeline that includes room for the unexpected. If someone makes you feel like you're being sold to instead of taught, walk. The best custom ring I ever made came from a client who asked the right questions, checked my bench, and left a deposit without me asking for it. That's the relationship you're looking for.