
Sterling silver jewelry remains a top choice for boutique brands and private label jewelry collections worldwide due to its lustrous shine, hypoallergenic nature, and cost-effective production. At Lefeng Jewelry, our 15 years of experience as an OEM jewelry manufacturer allows us to deliver high-quality 925 sterling silver pieces with rigorous QC standards, supporting everything from initial concept to export-ready delivery.
Main topic explanation with keyword
Sterling silver jewelry refers to items made of 92.5% pure silver alloyed with copper to enhance durability and strength. This fineness standard—commonly known as 925 sterling silver—is recognized globally. As a one-stop jewelry manufacturing partner, Lefeng Jewelry integrates advanced casting, CNC engraving, and manual polishing to transform raw alloys into premium necklaces, bracelets, rings, and earrings.
Composition and Alloy Standards
925 sterling silver consists of 92.5% pure silver and 7.5% copper, providing a balance of malleability and toughness. The hallmark stamp ("925") ensures authenticity. Our SGS-certified tests, including RoHS and REACH reports, validate material composition and nickel release levels per EN1811.
Manufacturing Processes in Sterling Silver
From mold development to stone setting in zircon or crystal, every step is performed in-house. Initial prototypes are crafted via precision casting, then undergo laser marking and polishing. Although Lefeng Jewelry excels in 316L stainless steel and PVD plating for other collections, our dedicated sterling silver line retains a classic silver finish.
Why it matters / Benefits
Durability Backed by SGS Certifications
High-quality sterling silver is tested for corrosion resistance under Salt Spray Test 240H and coating thickness. Our QC team conducts nickel release assessments per EN1811 to guarantee hypoallergenic wear. These SGS-certified processes assure private label jewelry brands of consistent performance and compliance.
Cost-Effective for Private Label Brands
Leveraging our low MOQ model and bulk order flexibility, boutique buyers and distributors can launch collections without excessive inventory risk. Our infrastructure supports swift jewelry sample development, enabling rapid market testing and adjustment before committing to full production.
Aesthetic Versatility and Hypoallergenic Properties
Sterling silver’s neutral tone complements enamel, pearls, and colored stones for versatile designs. Its hypoallergenic profile appeals to North American and European consumers who prioritize comfort. Whether for wedding bands or fashion rings, the reflective shine elevates every piece.
Step-by-step guide or detailed analysis
Step 1: Design Consultation and Alloy Selection
Begin by sharing your concept through our Contact Lefeng Sales portal. Our design team reviews sketches and recommends the ideal silver fineness, plating options, and stone settings. We also advise on combining sterling silver with complementary metals where needed.
Step 2: Prototype Development and Sampling
Once the design is approved, we proceed with jewelry sample development. With low MOQ support, you can request prototypes within 7–10 days. Samples arrive in packaging trays for style approval, and adjustments are made before mass production.
Step 3: Full Production and Quality Control
Upon sample sign-off, our factory executes bulk manufacturing. Processes include casting, CNC engraving, stone setting, and manual polishing. Each batch undergoes strict QC inspections—RoHS, REACH/SVHC, and salt spray tests—to ensure compliance.
Packing and Export Preparation
Finished pieces are private-label packed, labeled per customer requirements, and consolidated for export. We handle documentation and logistics, ensuring smooth delivery to global markets.
Frequently Asked Questions
What does 925 sterling silver mean?
925 indicates that the alloy contains 92.5% pure silver and 7.5% copper. This standard delivers optimal strength and shine for jewelry applications.
How does Lefeng ensure quality in sterling silver manufacturing?
We apply SGS-certified protocols—RoHS, REACH, EN1811 Nickel Release, and Salt Spray Test 240H—to every production batch, ensuring hypoallergenic and corrosion-resistant outcomes.
What is the minimum order quantity for custom sterling silver pieces?
Our low MOQ policy allows orders starting from 50–100 pieces, supporting boutique brands and startups without large inventory commitments. Bulk order discounts are available for larger volumes.
Can I request a custom design or logo engraving on silver jewelry?
Yes. Our OEM ODM Services include logo engraving, customized finishes, and exclusive mold development to meet your brand’s unique requirements.
Partner With Lefeng Jewelry
Ready to elevate your sterling silver collection? Partner with Lefeng Jewelry for factory-direct pricing, free initial samples, and expert guidance on private label jewelry. Benefit from detailed prototyping, competitive low MOQ, and SGS-certified quality. Submit your RFQ via our Quote List or Contact Lefeng Sales today to get started.



