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Brand New 925 Sterling Silver Chain 20" 167.6g N925-155
- Product Code: N925-155
- Availability: In Stock
£630.00
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Certified & Hallmarked
Established Jeweller
Brand New 925 Sterling Silver Chain 20" 167.6g N925-155
This brand new, heavyweight link chain represents a significant metallurgical asset. Weighing 167.6 grams, it is a substantial piece of 925 sterling silver jewelry, fully assayed and hallmarked to ensure compliance with UK legal standards. Engineered for durability and high-impact style, this chain offers verified purity and professional-grade construction.
Net Mass
167.6g
Precision Scale Verified
Alloy Grade
925 Silver
Sterling Standard
Linear Span
20 Inches
Standard Fit
Reference
N925-155
Product SKU
Workshop
Totnes
Devon, UK
Technical 7-Table Framework for Silver Assets
1. Metallurgical Composition
| Material | Silver Content | Verification | Condition |
|---|---|---|---|
| Sterling Silver | 92.5% Pure Silver | Full UK Hallmark | Brand New |
| Alloying Elements | 7.5% Copper/Zinc | Internal Uniformity | Factory Fresh |
Table 1 Analysis: This specimen is confirmed 925 sterling silver. Unlike silver-plated alternatives, this chain maintains a consistent metallurgical profile throughout its 167.6g mass, ensuring long-term value retention.
2. Dimensional Specifications
| Metric | Measurement | Tolerance | Structural Integrity |
|---|---|---|---|
| Length | 20 Inches | ± 0.1" | Solid Link Geometry |
| Width | 15.1 mm | Precision Calibrated | Heavy Gauge |
| Depth | 4.2 mm | Precision Calibrated | Deformation Resistant |
Table 2 Analysis: The width of 15.1mm combined with a weight of 167.6g indicates a very high density per linear inch, providing the physical presence required for a statement new silver chain.
3. Hallmarking & Legal Compliance
| Marking | Representation | Authority |
|---|---|---|
| Fineness Mark | 925 | Standardized Purity |
| Assay Mark | UK Office Symbol | Independent Audit |
| Maker's Mark | Sponsor Mark | Traceable Production |
Table 3 Analysis: In the UK, silver items over 7.78g must be hallmarked. This chain exceeds that limit by over 150g, making its official hallmark a critical legal and quality guarantee.
4. Mechanical Fastening Systems
| Component | Material | Type | Security Level |
|---|---|---|---|
| Clasp | 925 Silver | Reinforced Fastener | Maximum Security |
| End Connectors | 925 Silver | Soldered Jump Rings | Industrial Strength |
Table 4 Analysis: Given the 167.6g weight, the clasp has been selected for its high tensile resistance to prevent accidental opening under the kinetic load of the chain.
5. Wear & Surface Dynamics
| Finish | Lustre Grade | Tarnish Resistance |
|---|---|---|
| High Polish | Specular Reflection | High (Untarnished New) |
| Link Action | Fluid Motion | Friction Optimized |
Table 5 Analysis: As a brand new item, the surface is free of micro-scratches. The heavy gauge of the silver allows for repeated professional polishing over many years without compromising the metal's thickness.
6. Comparative Mass Analysis
| Chain Class | Average Weight (20") | N925-155 Weight | Impact Status |
|---|---|---|---|
| Lightweight | 10g - 30g | 167.6g | Heavyweight Asset |
| Medium | 40g - 80g | 167.6g | Heavyweight Asset |
Table 6 Analysis: This chain is significantly heavier than standard retail offerings, placing it in the top tier of solid silver investment jewelry.
7. Service & Guarantee Matrix
| Service | Provider | Coverage |
|---|---|---|
| Authenticity Verification | H.E. Phillips Ltd | Lifetime Guarantee |
| Refund Policy | H.E. Phillips Ltd | Full Protection |
Table 7 Analysis: Every purchase is backed by our Totnes-based workshop's reputation for accuracy and customer service, ensuring the consumer receives exactly what is described.
20 Technical FAQs: Engineering & Asset Management
Metallurgy & Purity
1. What exactly does 925 Sterling Silver signify in this chain?
925 Sterling Silver is an alloy consisting of 92.5% pure silver and 7.5% other metals, typically copper. This ratio is the international standard for high-quality jewelry because pure silver (99.9%) is too soft for functional items. The addition of copper provides the necessary hardness to maintain the shape of the links in this 167.6g chain without sacrificing the characteristic white brilliance of the metal.
2. How is the 167.6g weight verified?
At H.E. Phillips Ltd, we use laboratory-grade electronic scales that are regularly calibrated. For a piece this heavy, precision is vital. The 167.6g mass is the "gross weight" of the item, including the links and the clasp mechanism. This weight is recorded as a factual specification of the item's silver content and physical density.
3. Is the chain solid silver or silver-filled?
This is a solid sterling silver chain. Silver-filled or silver-plated items contain a base metal core (like brass or copper) with a thin layer of silver on top. Solid 925 silver means the metal is consistent throughout. This ensures that the item will never "peel" and maintains a permanent intrinsic value based on the current market price of silver bullion.
4. Why is the UK hallmark essential for this specific item?
Under the UK Hallmarking Act 1973, any silver item weighing more than 7.78 grams must be hallmarked to be legally described as silver. This chain, at 167.6g, is far above that threshold. The hallmark is an independent guarantee from a UK Assay Office that the metal has been tested and meets the 925 purity standard, protecting you from counterfeit or sub-standard alloys.
Structural Engineering
5. What are the link dimensions and why do they matter?
The links measure 15.1mm in width and 4.2mm in depth. These dimensions are substantial, categorizing the chain as a "heavyweight" or "statement" piece. A larger surface area and thicker gauge mean the links are less likely to bend or stretch under tension compared to thinner, lightweight chains, ensuring the 20-inch length remains consistent over time.
6. How secure is the clasp on such a heavy chain?
A chain weighing 167.6g requires a high-performance clasp. The fastening mechanism on the N925-155 is designed specifically to handle the inertial force of the chain during movement. We verify the spring tension and pivot integrity of every clasp to ensure it remains securely locked, providing peace of mind for daily wear.
7. Does the 20-inch length suit most users?
20 inches (approx. 51cm) is considered a standard "matinee" length for many. On an average frame, it typically sits at the collarbone or just below. Because of the 15.1mm width, the chain occupies significant vertical space on the neck, so we recommend measuring a string at 20 inches to visualize how the substantial thickness will drape.
8. Can this chain support a pendant?
While this chain is a statement piece on its own, its tensile strength is more than sufficient to support a large new gold pendant or silver charm. However, the bail of the pendant must be wide enough to accommodate the 15.1mm width and 4.2mm depth of these links.
Durability & Maintenance
9. Will this sterling silver chain tarnish over time?
All silver can tarnish when exposed to sulfur in the air or chemicals in sweat. However, because this chain is brand new and solid 925 silver, any tarnish is merely a surface reaction and not permanent damage. Regular cleaning with a professional silver cloth will easily restore its original specular reflection and mirror-like shine.
10. How should I clean a heavyweight 15.1mm link chain?
Because of the large links, dirt can occasionally settle in the joints. We recommend using warm soapy water and a soft-bristled brush for routine cleaning, followed by a thorough drying with a lint-free cloth. For deep restoration, a professional ultrasonic clean at our Totnes workshop is the safest method to maintain the high-polish finish.
11. Is it safe to wear this chain in water?
Fresh water is generally safe, but we advise removing the chain before entering swimming pools or hot tubs. Chlorine and bromine are highly reactive with silver and can cause rapid, deep tarnish. Similarly, salt water can be abrasive over long periods, so rinsing with fresh water after coastal exposure is essential.
12. What is the expected lifespan of this silver asset?
With a mass of 167.6g, this chain is built for longevity. Unlike "hollow" chains that can dent or collapse, these solid links are extremely durable. If properly maintained and cleaned, a solid 925 silver chain of this gauge can easily last for several generations, making it a true heritage item.
Consumer Security & Logistics
13. What is the H.E. Phillips Ltd refund policy for this item?
We provide a full refund policy in the event of any error in our description or a verified fault with the product. As a long-standing family business, we prioritize transparency and customer trust. If the item does not meet the technical specifications listed (167.6g, 925 silver, 20"), we ensure a straightforward resolution.
14. Why should I buy from a physical store in Totnes?
Buying from H.E. Phillips Ltd (est. 2000) means you are dealing with a real, accountable business at 19 Fore Street. Unlike anonymous online-only sellers, we provide "Physical Accountability." You can visit us to have the item weighed, checked, or serviced, ensuring you aren't just buying a product, but gaining a professional jewelry partner.
15. Is the packaging suitable for gifting?
Yes. This heavyweight chain is presented in appropriate packaging that reflects its quality and value. We ensure the item is protected during transit so it arrives in its "Brand New" condition, ready to be worn or gifted immediately.
16. How is the item shipped securely?
For high-value silver assets, we use secure, tracked shipping methods. The item is fully insured during transit, requiring a signature upon delivery. This ensures that your 167.6g investment arrives safely at your doorstep anywhere in the UK.
Asset Coordination
17. Can I match this with other silver jewelry?
Absolutely. This chain coordinates perfectly with our range of new silver bracelets. Given its bold 15.1mm width, it pairs best with other heavyweight or "chunky" silver pieces to maintain a balanced aesthetic.
18. Is silver a good alternative to white gold?
925 Silver offers a very similar visual profile to white gold but at a much more accessible price point for heavyweight items. While white gold is often rhodium-plated, sterling silver has a natural, warm white lustre that many collectors prefer for large-scale link designs.
19. Do you offer trade-ins for silver?
Yes, we have a sell gold or sell silver service. If you have older, unwanted jewelry, you can often use its scrap value towards the purchase of a brand new asset like this 167.6g chain.
© 2026 H.E. Phillips Ltd - Official Authorised Fine Jewellery Specialist. All Technical Data verified for forensic accuracy.
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