Diamond District Jewelry Repair Shop: Star Diamond Setting

On 47th Street, most storefronts sell diamonds. The people who actually set them work upstairs, in small rooms with microscopes, gravers and benches worn smooth by decades of use. Star Diamond Setting is one of those rooms. John Samuel opened it in 1988 after coming to the Diamond District as a teenager, and he is still the person at the bench. If a stone has come loose, a prong has worn thin or a platinum band needs resizing, this is a workshop where the setter and the person you talk to are the same man.

The shop's About page tells the story plainly. John began in the jewelry houses of Istanbul as a boy, came to New York's Diamond District as a teenager, and opened Star Diamond Setting in 1988. The site describes him as a master jeweler and diamond setter and adds a line that is rare in this trade: he is the person who actually does the work. In a neighborhood where many counters take your ring and send it to an unseen bench across the street, that matters.

The client list explains why the shop has lasted. Private customers walk in with a single engagement ring, but retail jewelers and diamond dealers also bring work here. A setter who does trade work for the district all day tends to be quick and exact, because dealers notice when a stone sits a hair crooked, and they will not come back if it does.

Diamond setting is the core of the business, and the service list is specific. The shop sets stones in prong, bezel, channel, bead and micro-pavé settings, resets fallen stones and tightens loose diamonds, from tiny melee up to major center stones. It will also set a stone you already own, whether it is a family diamond, a loose stone or something bought elsewhere. The site calls that routine.

Sizing and restoration is the second half of the menu. Rings are sized in platinum, gold and silver, and the FAQ singles out platinum sizing as a specialty. That is worth noting, since platinum takes higher heat and more patience than gold, and plenty of counters quietly avoid it. The shop also retips worn prongs and restores vintage pieces, and its stated aim is to fix an old ring without erasing its character.

Retipping is the repair people wait too long to do. Prongs wear down from daily contact with desks, steering wheels and gym equipment, and the first sign is often a ring that catches on a sweater. If you can see a gap between a prong and the stone, or the stone turns when you push it with a fingernail, bring it in before it falls out. Putting new metal on a worn prong costs far less than replacing a lost diamond.

Walk-ins are welcome during shop hours. The services FAQ adds one condition. If you want a stone set while you wait, or you need a design consultation, call first so John can clear time at the bench. The homepage repeats the advice, so treat the call as part of the plan, particularly if you are coming in on a lunch break.

No price list is posted. The About page promises clear talk on timeline, budget and what a stone can and cannot do in a given setting. That last part is useful. A good setter will tell you if your thin vintage band cannot safely hold a bigger stone, or if a soft gem such as an emerald needs a protective bezel instead of exposed prongs.

When you visit, bring the piece and any loose stones in a small sealed bag, not loose in a pocket. If the ring has an appraisal or grading report, bring a copy so the stone can be matched to its paperwork. Ask how long the job will take before you leave it, and write down the pickup day.

Getting in is part of the Diamond District experience. The contact page tells you to enter the building, take the elevator up to Suite 1105, and call if you get turned around, at which point someone from the shop will come and get you. Expect a building lobby with a guard desk and elevators full of dealers carrying small parcels. Nobody will look twice at you.

The block itself is worth a slow walk. West 47th Street between Fifth Avenue and Sixth Avenue is lined with jewelry exchanges, booth after booth of rings under glass, and dealers talking business on the sidewalk. The lamp posts at each end of the block are topped with diamond-shaped lanterns. It is one of the few places in Midtown where an old trade still runs things.

Walk north on Sixth Avenue and you reach Radio City Music Hall, whose marquee wraps the corner of 50th Street. Rockefeller Center is just east, with its plaza, the Channel Gardens running toward Fifth Avenue, and the Top of the Rock observation deck at the top of the tower. In the colder months the rink is open below the gilded Prometheus statue, so a sizing drop-off can easily turn into an afternoon in Midtown.

The nearest subway is the 47th–50th Streets–Rockefeller Center station on Sixth Avenue, served by the B, D, F and M trains. From the platform it is about a block east to the workshop. Grand Central and the 7 train at Fifth Avenue are a short walk south if you are coming from Queens or the East Side.

Address: Star Diamond Setting, at 31 W 47th St, Suite 1105, New York, NY 10036, in the Diamond District. Hours: Monday to Friday 9 am to 5 pm, closed on weekends. Walk-ins are welcome, but call ahead for while-you-wait stone setting or a design consult. Services include diamond setting and resetting, tightening loose stones, ring sizing in platinum, gold and silver, prong retipping, vintage restoration and custom CAD work. No prices are published, so ask for a quote when you bring the piece in.

Bring stones sealed in a bag and any grading papers. If your ring needs an hour on the bench, the Karpo APP can suggest a lunch counter or a quiet coffee spot around Rockefeller Center while you wait.