30+ new styles daily · 300,000+ pcs monthly capacity · Lead / Cadmium / Nickel free — EU standard
ODM jewelry manufacturing sample by Endless Jewelry
Jewelry ODM · Guangzhou, China

Jewelry ODM Manufacturer, and how to vet one.

We run our own 3,800㎡ factory — casting, setting, polishing and plating under one roof. So this page is written the way we explain ODM to a buyer: what it really means, what drives your unit price, and the six checks worth doing before you send a deposit.

The Short Answer

What a jewelry ODM manufacturer actually does.

ODM (Original Design Manufacturing) means the factory already owns the design. You pick a style from its developed library, change the stone, metal, plating, size or logo, and it is produced under your brand. No new mould, no design fee, and MOQ from 30 pieces per style — which is why ODM is the usual route for testing a market before committing to a full OEM line.

The distinction that matters commercially: with ODM you are buying execution, not development. The model, its mould and its costing already exist, so the first sample can be in your hand in a week and the unit price is known before you commit. With OEM you buy the design work first and the production second, and you pay for it twice — once in tooling, once in the longer lead time.

What most buyers searching for a jewelry ODM manufacturer are really trying to avoid is not the design question. It is two specific failures: a three-month development cycle that kills a seasonal launch, and a trading company that cannot control the workshop it subcontracts to. Both failures have the same root cause — nobody in the chain owns the bench that makes the piece.

Every ODM order here runs through our own benches in Guangzhou. CAD, mould making, casting, stone setting, polishing, plating and packing all happen inside one building, which is why we can tell you a plating tone will match across a set, and why we can give you a production date instead of a range.

3,800㎡Own factory
264Workers on site
20In-house CAD designers
50QC checkpoints

Also relevant: 300,000+ pcs monthly capacity · 30+ new styles released daily · lead, cadmium and nickel free to EU standard · material certificate issued per batch.

Before You Send a Deposit

Six checks that separate a factory from a trading company.

Every one of these can be verified remotely, in about thirty minutes, without a flight to Guangzhou. We have written out what a good answer sounds like — including where we stand on each — because these are the exact questions buyers ask us after being burned once.

  1. Ask who owns the mould. A trading company cannot answer this in one sentence, because it never held the tooling. The answer reveals the whole supply chain: if the mould is theirs, they control cost, lead time and replacement runs. If it belongs to a partner workshop, your reorder is at that workshop's convenience, not yours. A good answer: names the type of mould, who cut it, and who holds it after the order closes. Red flag: "we work with several factories" without naming which part is theirs. Ours: moulds are cut on the same floor as casting and are held for you; ownership can be transferred once volume is committed.
  2. Ask where casting physically happens. Casting is the step that determines weight, porosity and whether a stone seat survives setting. If it is subcontracted, nobody can tell you why fifty pieces came back light — and plating tone across a set will drift, because different baths run different chemistry. A good answer: a room, a floor, a monthly tonnage, and an offer to show it on a call. Red flag: "casting is done by our cooperative partner" — that is a subcontractor with a nicer word. Ours: in-house casting running 300,000+ pieces a month; every component of a set is plated in the same bath on the same day.
  3. Ask for the QC list, not the QC claim. "We check every piece" is not information. A real factory has a numbered checkpoint list, and can tell you which checkpoints are destructive tests (pull test, plating adhesion) and which are visual. A good answer: sends a written list, names the instrument used for plating thickness, and admits which checks are sampling rather than 100%. Red flag: a certificate of "100% quality inspection" with no list behind it. Ours: 50 numbered checkpoints; stone security pull-tested after setting and again after plating; plating thickness measured per lot; every ring checked against a sizing gauge.
  4. Ask for an unscripted video walkthrough, with today's date in it. A recorded marketing video proves nothing. A live call where you choose the camera direction does — you want to see work-in-progress trays, workers at benches, and the packing area, not a showroom. A good answer: offers a scheduled call, lets you pick the route, shows WIP with job tickets visible. Red flag: only stock footage, a "showroom only" tour, or repeated rescheduling. Ours: video calls from the floor, scheduled in your time zone; ask for the bench that will run your order specifically.
  5. Ask what they cannot make. This is the fastest test in the list. A factory knows its limits — no hand engraving, no platinum, no stones above a certain size, no enamel in certain colours. A trader says yes to everything, because the answer costs nothing until the order fails. A good answer: two or three specific refusals, with the reason and the alternative. Red flag: "no problem, we can do anything" on the first message. Ours: we do not do hand engraving, platinum group metals, or stones outside our certified suppliers — and we say so at quotation stage.
  6. Ask for two references in your price band. A factory that serves luxury houses and one that serves €8 retail are different operations. You want references at your retail price point, ideally in your market, ideally contactable. A good answer: two brands, the categories supplied, and permission to contact one of them. Red flag: unnamed "famous brands" or photos with logos blurred out. Ours: references provided on request under NDA; we will tell you honestly if your price band is outside what our line is built for.

If a supplier passes all six, the remaining risk is commercial rather than structural — price, MOQ and payment terms, which are covered below. If they fail three or more, no price is low enough to compensate.

Cost Structure

What actually moves your unit price.

Two ODM quotes for the same photograph can differ by a factor of three. Almost never because of the design — because of the eight variables below. Compare these before you compare totals.

Cost driverWhat it changesWhere buyers get this wrong
Base metal & gram weight The largest single line. Brass, 925 silver and 316L steel sit in different bands, and weight is quoted per piece, not per look. Approving a render without asking the gram weight — a hollow bangle and a solid one look identical in a 3D image.
Plating thickness (µm) Decides how long the colour survives. Thin plating is the cheapest saving available and the most expensive one in returns. Comparing quotes without asking microns. A 0.03 µm and a 0.1 µm piece are not the same product at different prices.
Stone type & setting hours CZ, synthetic corundum, glass and freshwater pearl are priced very differently; pavé multiplies setting labour per stone. Specifying 60 pavé stones on a target retail price that only supports 20 — the sample is fine, the margin is not.
Clasp & findings A box clasp, a lobster claw and a magnetic clasp are three different costs and three different failure rates. Letting the factory choose silently, then discovering the clasp is the number-one return reason six months later.
Polishing grade Hand polish versus barrel polish shows up in edge definition and in the first photograph your customer sees. Cutting polish to hit a price, then reshooting product images because the edges read soft.
Packaging Pouch, box, backing card, printed sleeve and insert are often 5–15% of landed cost at low volume. Forgetting packaging until after the price is agreed, then absorbing it — or shipping in bulk polybags and losing the unboxing.
Order quantity Setup time is spread across the run, so unit price falls as quantity rises, with a step at each MOQ break. Ordering 30 pieces across eight styles: you pay eight setups and get no break at all.
Tooling amortisation In ODM, usually zero. In OEM, a one-off charge spread across your first run — and it is yours to keep. Paying tooling on an ODM style that already exists, because nobody asked whether the mould was already cut.

Practical rule: ask every supplier to quote to a spec — metal, gram weight, plating microns, stone count, clasp type, packaging. Quotes that cannot be broken down are not comparable, and the cheapest one usually hides the difference in plating thickness.

MOQ & Lead Time

Numbers you can plan a launch around.

No "it depends" — these are the figures we quote, and the conditions that change them are listed underneath.

StageWhat happensTimeCost
QuotationWe review your reference, confirm material, plating and MOQWithin 24 hoursFree
CAD drawing3D render with dimensions, stone sizes and gram weight; two revisions free2–3 working daysFree with order
SamplePhysical piece in your final plating and stone colour7 daysRefunded on bulk order
Bulk production30 pcs MOQ per style on existing designs15–25 daysQuoted per design
QC & packing50 checkpoints, private-label packing2–3 daysIncluded

What moves these numbers: new tooling pushes MOQ to 50–100 pcs per style and sampling to 7–15 days · a size run beyond three sizes is priced as a separate setup · stones above 10 mm or fancy cuts add sourcing time · custom clasps and printed packaging add 3–5 days · repeat styles already in our library can be rushed. Trial orders of 30–50 pieces across two or three styles are normal here — that is what the MOQ is for.

Choose the Right Route

ODM or OEM — which one do you need?

Both are produced in the same building. The difference is who owns the design and how much tooling you pay for.

 ODMOEM
Who owns the designFactory design, licensed to youYour design, produced exclusively
Starting pointExisting style, modified to your specSketch, tech pack or physical sample
Typical MOQ30 pcs per style50–100 pcs per style
Sampling time3–7 days (no new mould)7–15 days (new mould + CAD)
Tooling costNone, or sharedCharged once, owned by you
Best forTesting a market, fast range buildingBuilding a protected, exclusive line

Many of our clients start ODM to validate demand, then move the winning styles to OEM for exclusivity. Read the full breakdown on our OEM & ODM services page.

Categories

ODM jewelry by category — one supplier, one quality standard.

Dedicated benches per category. That matters when a buyer needs a coordinated range rather than four unrelated suppliers.

Looking for a single category in depth? See the dedicated pages for ODM bangle manufacturer, ODM earrings manufacturer and ODM jewelry set manufacturer. Full catalogue on the products page.

Materials & Finishes

What your ODM jewelry is actually made of.

Material choice drives unit cost, weight, and whether the piece survives daily wear. Here is the honest comparison we give every new buyer.

Base metalTypical usePlatingNotes
BrassFashion jewelry, high-volume rangesRhodium, 18K gold, rose gold, black rhodiumLowest unit cost; best for trend-driven lines with 6–12 month cycles
925 sterling silverFine jewelry, bridal, giftRhodium, 18K gold, rose gold; e-coat optionalStamped 925, nickel-free; can be re-polished rather than replaced
316L stainless steelMen's lines, everyday wear, water contactPVD gold, black, rose goldHypoallergenic and tarnish-resistant; heavier hand-feel

Stones: cubic zirconia, synthetic corundum and spinel, glass, natural freshwater pearl, and semi-precious stones on request. Every batch ships with a material certificate covering lead, cadmium and nickel content — this is the document your own compliance team will ask for, so keep it with the shipment paperwork.

Process

Seven steps from reference to reorder.

  1. BriefSend reference images, target retail price and quantity. We tell you honestly which material and construction can hit that price — before any design work starts.
  2. Style selectionWe shortlist matching designs from our library, or adapt an existing model if nothing fits. You see real photos of comparable pieces already in production.
  3. CAD & approvalOur 20 in-house designers issue a 3D render with exact dimensions, stone sizes and gram weight. Two rounds of revision are included.
  4. SamplingThe sample is made on the same bench that will run your bulk order, in your final plating and stone colour. You approve a physical piece, not a photo.
  5. ProductionCasting, setting, polishing and plating in one building. Daily output tracking means you get a realistic ship date, not an optimistic one.
  6. Quality control50 standardised checkpoints covering stone security, plating thickness, clasp function, sizing tolerance and surface finish. Failed pieces are reworked, not shipped.
  7. Packing & shippingPrivate-label pouches, boxes, backing cards and hang tags. Worldwide shipping, tracked and insured, with export documents prepared for you.
Quality Control

Where ODM orders usually go wrong.

The failures buyers complain about are rarely dramatic — a stone that loosens after three weeks, plating that fades at the edges, a bangle clasp that will not click, ring sizes that run half a size small. Each of these comes from a skipped inspection, not a bad design.

That is why our QC is split across the whole line rather than saved for the end. Stone security is pull-tested after setting and again after plating. Plating thickness is measured on a sample from every lot. Clasps are opened and closed a set number of times. Every ring is checked against a sizing gauge, and the last checkpoint is a full visual pass under daylight-balanced lighting. Only then does the piece reach packing — and the packing line inspects it once more before the box closes.

If you already have a QC checklist, send it. We will confirm which points we cover and where your standard is stricter than ours, so there are no surprises at arrival.

Straight Talk

Three things we will talk you out of.

A supplier that never says no is not being helpful — it is postponing the objection until after you have paid.

  1. Splitting 30 pieces across eight styles.You will pay eight setups, get no quantity break, and end up with eight pieces of eight designs — not enough to sell, not enough to photograph, not enough to learn anything from. Pick two styles, run 15 each, reorder the winner.
  2. Specifying thick gold plating on a piece priced for impulse retail.Above a certain micron count the plating costs more than the metal inside it. If the retail price cannot absorb it, a thinner spec with a lacquer top coat will outperform a thick one on a piece that gets discarded in a season.
  3. Approving from a 3D render instead of a physical sample.A render has no weight, no clasp feel and no plating tone under real light. It is a design tool, not an approval document. Pay for the sample — ours is refunded against your first bulk order precisely so that this decision is never about money.
FAQ

Questions buyers ask before starting.

What does ODM mean in jewelry manufacturing?

ODM stands for Original Design Manufacturing. The factory owns a library of designs that are already developed, sampled and priced. You select a style, change the stone colour, metal, plating, size or clasp, add your logo, and the factory produces it under your brand. Because no new mould is cut, there is no development fee and sampling takes about a week instead of a month.

How do I verify a jewelry ODM manufacturer is a real factory?

Ask five questions: who owns the mould, where casting physically happens, whether they can send a written QC checkpoint list, whether they will do an unscripted video walkthrough on a stated date, and what they cannot make. A factory answers all five with specifics. A trading company answers in generalities, says yes to every capability, and cannot show you a mould shop.

What is the MOQ for ODM jewelry?

MOQ starts at 30 pieces per style for existing ODM designs in brass or 925 silver, and 50–100 pieces per style when a model needs new tooling or a size run beyond three sizes. Mixed-style orders can combine several designs to reach one minimum, which is how most brands test a market.

How fast can I get ODM samples?

CAD drawings are issued in 2–3 working days with two free revision rounds, and physical samples ship within 7 days of design approval. The sample is made on the same bench that will run your bulk order, in your final plating and stone colour. The sample fee is refunded against your first bulk order.

How much does ODM jewelry cost?

Cost is set by gram weight of base metal, plating thickness in microns, stone type and setting hours, the clasp and findings, polishing grade and packaging — not by the design alone. Two quotes for the same look often differ because one is 0.03 micron plating and the other is 0.1 micron. Always ask for the spec behind the number before comparing prices.

Can you make ODM bangles, earrings and jewelry sets?

Yes. Rings, bangles, bracelets, earrings, necklaces, pendants and matched jewelry sets are all produced in-house. Each category has dedicated benches and its own QC checkpoints, so a set can be sampled and produced as one coordinated unit rather than assembled from four unrelated suppliers — which is the usual cause of mismatched plating tone.

Do you offer ODM jewelry in 925 sterling silver and brass?

Yes. Main materials are brass, 925 sterling silver and 316L stainless steel, with rhodium, 18K gold, rose gold and black rhodium plating. All items are lead, cadmium and nickel free and compliant with EU and US chemical safety requirements, and every batch ships with a material certificate.

Can I put my logo on ODM jewelry?

Yes. The logo can be engraved, laser-marked or stamped on the product, and applied to hang tags, pouches, boxes and backing cards. Private-label packaging is produced to your artwork, and we will show you a photographed proof before the run starts.

Can I get exclusivity on an ODM design?

Exclusivity is available once an agreed volume is committed, and tooling ownership can be transferred to you. Below that volume the design stays in our library and may be sold to other buyers in different markets. We state which designs are exclusive and which are open before you order, not afterwards.

How do I start an ODM jewelry project?

Send reference images, your target retail price and quantity to sale16@endlessjewe.com or through the contact page. You receive material options, MOQ, unit price range and a production date within 24 hours, with no obligation and no design fee.

Start an ODM jewelry project
Ready to Start?

Send a reference, get a real quote.

Tell us the style, target price and quantity. Within 24 hours you will have material options, MOQ, plating spec and a production date — no obligation, no design fee.