925 Sterling Silver Jewelry RFQ Checklist: Design, Size, Stones, Plating, MOQ and Packaging

A 925 sterling silver jewelry manufacturer needs a complete RFQ before it can give an accurate price, lead time, or production plan. Many buyers send only a sketch and a target price. This often causes changes in weight, stone setting, plating, and packaging later.

A clear sterling silver jewelry quotation should define the product design, dimensions, metal weight, and finish. It should also state the required jewelry quality control process.

Buyers should include information about the custom jewelry manufacturing process, including the CAD file, sample approval, and production tolerance. These details help the supplier calculate material use and labor time.

Stone type, plating thickness, and packaging requirements also affect the final cost. A supplier may quote a different price for cubic zirconia, natural gemstones, or lab-grown stones.

Use the checklist below before contacting a private label jewelry supplier. It can reduce quotation errors and shorten the approval cycle.

Introduction

Summary Answer

A complete 925 sterling silver jewelry RFQ should include the design file, product type, dimensions, target weight, stone details, 925 silver requirements, plating color and thickness, quality standards, sample quantity, MOQ, delivery date, packaging, shipping terms, and testing documents. Ask the manufacturer to confirm the silver composition, production tolerance, stone security, plating thickness, and final inspection method before placing an order.

1. Start With a Complete Product Design Brief

The design brief is the first part of an RFQ. It tells the manufacturer what must be made and which details can be adjusted for production.

Information to include

1. Jewelry category, such as ring, necklace, bracelet, earring, pendant, or charm.
2. Product name and internal SKU.
3. Reference images from different angles.
4. CAD file, technical drawing, or 3D model.
5. Target customer and retail price range.
6. Target production date and selling season.
7. Required logo, engraving, trademark, or signature detail.
8. Target product weight and acceptable weight range.

CAD and drawing requirements

A 3D CAD file in STL, STEP, or similar format gives the factory a better basis for quotation. The drawing should show key dimensions in millimeters. It should also identify hidden areas, sharp edges, hollow sections, solder joints, and moving parts.

For a new design, request a resin or wax prototype before metal casting. A prototype can confirm shape, fit, thickness, and stone position. It is less expensive to correct a resin model than a finished silver sample.

Ask the supplier to state whether the price includes CAD development. Some manufacturers include one or two design revisions. Other suppliers charge separately after a fixed number of revisions.

2. Confirm 925 Sterling Silver Specifications

925 sterling silver contains at least 92.5 percent silver by mass. The remaining 7.5 percent is commonly copper or another approved alloy. The metal choice affects hardness, color, casting behavior, and tarnish performance.

Metal details to place in the RFQ

1. Silver standard: 925 sterling silver.
2. Required silver content: minimum 92.5 percent.
3. Alloy type: standard sterling silver, low-tarnish alloy, or another approved formula.
4. Target finished weight in grams.
5. Acceptable weight tolerance, such as plus or minus 5 percent.
6. Recycled silver percentage, if required.
7. Nickel-free requirement, if required by the destination market.
8. Testing documents required with the shipment.

Useful physical parameters

Ask the factory how it handles sprue loss, polishing loss, and casting waste. Silver is valuable, so the RFQ should explain whether material loss is included in the unit price.

3. Define Size, Fit, and Production Tolerances

Size information is essential for rings, bracelets, chains, earrings, and bangles. A supplier cannot confirm a final weight or price without basic dimensions.

Ring requirements

1. Ring size system, such as US, UK, or EU.
2. Inside diameter or inside circumference in millimeters.
3. Band width and thickness.
4. Top design length and width.
5. Stone size and setting height.
6. Size range for production.
7. Size ratio for each size in the order.

Chain and bracelet requirements

1. Total length, including or excluding the clasp.
2. Chain width and wire diameter.
3. Extension chain length.
4. Clasp type and spring strength.
5. Bracelet size range and adjustment points.
6. Number of links and link opening method.

Recommended tolerance questions

Ask for the factory tolerance for length, width, thickness, and stone position. A practical RFQ may request a dimensional tolerance of plus or minus 0.10 mm for small precision areas and plus or minus 0.20 mm for larger noncritical areas. The final values should match the design and production method.

For a bangle or rigid bracelet, ask for the internal diameter and oval shape tolerance. For earrings, request a pair matching standard. The left and right pieces should have the same dimensions, weight range, and stone layout.

4. List Stone and Setting Requirements

Stones can change the cost more than the silver weight. The RFQ should name the stone material, size, color, cut, quantity, and acceptable variation.

Stone information checklist

1. Stone type, such as cubic zirconia, synthetic opal, glass, moissanite, or natural gemstone.
2. Shape and cut, such as round, oval, pear, baguette, or heart.
3. Stone size in millimeters.
4. Color grade or color reference.
5. Clarity grade, if applicable.
6. Stone quantity per piece.
7. Matching standard for color and size.
8. Stone supplier or approved sample, if required.
9. Setting method, such as prong, bezel, channel, pavé, or glue setting.

Stone security and inspection

For prong settings, the prongs should cover the stone edge without blocking too much light. For pavé jewelry, the bead size and spacing should be consistent. For glued stones, ask for the adhesive type, curing time, and pull or vibration test method.

A production inspection can check 100 percent of visible stones for movement, cracks, missing stones, and uneven alignment. A supplier may use a 10x loupe for small settings and a digital microscope for detailed inspection.

Ask for a sample approval card that records the stone size, color, supplier, and setting position. This creates a reference for bulk production.

5. Specify Plating, Color, and Surface Finish

Plating has a direct effect on color, wear resistance, and product cost. Do not write only gold color or rose gold color. State the plating material and thickness.

Plating details for the RFQ

1. Base metal: 925 sterling silver.
2. Plating color: silver, yellow gold, rose gold, black, or another approved color.
3. Plating material: rhodium, gold, rose gold, or other specified finish.
4. Gold purity, such as 14K or 18K, when gold plating is required.
5. Plating thickness in microns.
6. Whether a nickel barrier layer is required.
7. Whether an anti-tarnish coating is required.
8. Surface finish: high polish, satin, brushed, hammered, or matte.
9. Color sample and acceptable color difference.

Typical plating comparison

Plating thickness should be checked with X-ray fluorescence equipment or another approved method. Visual inspection alone cannot confirm a micron value. Ask the supplier for the measuring location and minimum result.

6. Set Quality Standards and Testing Methods

A quality requirement should be measurable. Terms such as premium, perfect, and high quality do not define an acceptance standard.

Recommended quality inspection points

1. Silver purity verification by XRF screening and additional laboratory testing when required.
2. Dimensional inspection with digital calipers accurate to 0.01 mm.
3. Weight measurement with a calibrated scale accurate to 0.01 g.
4. Plating thickness measurement by XRF or approved coating equipment.
5. Stone inspection under 5x to 10x magnification.
6. Clasp opening and closing test for at least 10 cycles.
7. Chain and jump ring inspection for open gaps and weak solder joints.
8. Surface inspection under controlled white lighting.
9. Pair matching inspection for earrings.
10. Packaging count and barcode inspection.

Standards to discuss with the manufacturer

Depending on the destination market, the buyer may request compliance with the FTC Jewelry Guides, ASTM jewelry testing methods, EN 1811 nickel release limits, or REACH requirements. These standards should be confirmed with the importer or compliance team before production.

For a large order, agree on an acceptable quality limit before manufacturing. For example, a buyer may use a general inspection level of II under an accepted sampling plan. Critical defects, such as wrong metal, missing stones, or unsafe sharp edges, may require a zero-acceptance rule. Major and minor defects should have separate limits.

Sample quality report

7. Ask About MOQ, Pricing, and Tooling

MOQ means minimum order quantity. It may apply to each design, color, size, stone type, or total order. Ask the supplier to define the MOQ in writing.

Commercial questions for the RFQ

1. What is the MOQ per design?
2. What is the MOQ per plating color?
3. Can different designs be combined in one order?
4. Is there a lower MOQ for a first sample order?
5. What is the sample fee?
6. Is the mold or tooling fee refundable after bulk production?
7. What is the unit price at 100, 300, 500, and 1,000 pieces?
8. Does the price include stones, plating, logo, packaging, and testing?
9. How long is the quotation valid?
10. Which payment terms and shipping terms apply?

Example quantity comparison

These quantities are examples, not universal rules. A Changxing jewelry manufacturer may set different MOQs based on casting, polishing, plating, and packaging capacity. Ask for the exact MOQ for each product type.

8. Define Packaging and Private Label Requirements

Packaging protects the jewelry and supports the brand. It also affects the unit cost, carton size, and shipping weight.

Packaging information to include

1. Individual jewelry box, pouch, card, or sleeve.
2. Material, color, size, and surface finish of the packaging.
3. Logo method, such as hot stamping, printing, embossing, or laser marking.
4. Logo artwork in AI, PDF, or another approved format.
5. Barcode, SKU, batch number, or QR code requirement.
6. Care card and warranty card content.
7. Number of pieces per inner carton.
8. Number of inner cartons per export carton.
9. Carton dimensions and maximum gross weight.
10. Plastic reduction or recycled packaging requirements.

Packaging quality checks

Ask the supplier to test whether the jewelry moves inside the box during transport. A basic packaging inspection should check logo position, color, print clarity, box strength, insert fit, and barcode readability.

For export orders, request carton dimensions and gross weight before shipment. This information helps the buyer estimate freight cost. It also reduces errors in warehouse receiving.

9. Review Manufacturer Capability Before Approval

The lowest unit price does not always provide the lowest total cost. A capable supplier should show its process, testing tools, sample control, and production experience.

Questions for a 925 sterling silver jewelry manufacturer

1. How many years has the factory produced sterling silver jewelry?
2. How many new designs can the R and D team develop each month?
3. Does the factory use in-house CAD, wax, casting, polishing, and plating processes?
4. Which process is outsourced?
5. What is the average sample lead time?
6. What is the average bulk production lead time?
7. Which equipment is used for XRF, plating thickness, weight, and dimensions?
8. How are production samples stored and approved?
9. Can the factory provide a corrective action report for defects?
10. Can the factory provide recent test reports for the required market?

Useful capability data to request

Ask for measurable information instead of general claims. Examples include the number of jewelry designs developed in the past 12 months, the average first-sample approval rate, the number of production lines, monthly casting capacity, and the percentage of orders delivered on schedule.

A supplier with a documented process may use a first article inspection for every new SKU. It may also keep approved samples for at least one production cycle or longer. These controls are useful for repeat orders and private label collections.

10. Follow a Clear RFQ and Production Flow

A step-by-step workflow helps both sides understand when the price, design, and quality requirements become fixed.

RFQ to delivery flow chart

1. Buyer sends the RFQ, drawings, images, stone details, plating requirements, quantity, and packaging brief.
2. Manufacturer reviews design feasibility, material use, stone setting, and production risks.
3. Manufacturer sends a quotation with unit price, tooling fee, MOQ, sample cost, and lead time.
4. Buyer confirms the quotation and pays the approved sample or development fee.
5. Manufacturer creates CAD, resin, wax, or first metal sample.
6. Buyer checks dimensions, fit, weight, stones, finish, and branding.
7. Both sides sign off the approved sample and technical specification sheet.
8. Manufacturer starts bulk production after receiving the purchase order and agreed deposit.
9. Factory completes in-process inspections during casting, polishing, stone setting, and plating.
10. Factory completes final inspection, packaging inspection, and testing.
11. Buyer approves the final inspection report or appoints an independent inspector.
12. Manufacturer packs and ships the order with the agreed documents.

Typical project timing

The time ranges depend on product complexity and order quantity. Request a written production schedule with dates for sample approval, material preparation, bulk completion, inspection, and shipment.

11. Use an RFQ Template That Suppliers Can Price

Use one line for each SKU. Avoid sending a long product description without technical fields.

12. Compare Quotations on Total Cost, Not Unit Price

Two quotations may look similar but include different services. One may include CAD, packaging, testing, and delivery. Another may list these costs separately.

Total landed cost questions

1. Does the unit price include the 925 silver material?
2. Does it include stone setting and stone matching?
3. Does it include polishing and plating?
4. Does it include logo production?
5. Does it include individual packaging?
6. Does it include quality inspection and testing?
7. Are mold, CAD, and sample fees separate?
8. Are export documents and shipping costs separate?
9. What is the rework or replacement policy?

A simple comparison formula is:

Total landed cost = product price + development cost + packaging cost + testing cost + inspection cost + freight + import charges.

Use the same quantity, plating thickness, stone grade, packaging level, and delivery term when comparing suppliers.

Conclusion

A strong RFQ gives a 925 Sterling Silver Jewelry Manufacturer the information needed to quote and produce accurately. Include the design, dimensions, target weight, 925 silver composition, stones, plating thickness, testing method, MOQ, packaging, and delivery schedule.

Use measurable requirements such as 92.5 percent silver content, gram weight tolerance, millimeter dimensions, micron plating thickness, inspection tools, and accepted defect limits. Confirm the sample before bulk production. Whether you work with a Changxing supplier or another international factory, a complete checklist can reduce rework, protect product quality, and support a more reliable jewelry launch.