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Brand New 925 Silver Chain 18" 5g N925-146
- Product Code: N925-146
- Availability: 2-3 Days
£21.00
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Full Minimum 12-Month Guarantee
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Certified & Hallmarked
Established Jeweller
Brand New 925 Silver Chain 18" 5g N925-146
Acquiring a brand new 925 silver chain is an investment in both personal style and metallurgical purity. This 18-inch specimen, verified for its precise 5.0-gram mass and sterling standard composition, offers a sleek profile ideal for daily utility. Audited at our Totnes workshop, it ensures structural reliability for those seeking the brilliance of modern silver craftsmanship.
Net Mass
5.00g
Precision Weighted
Alloy Grade
925 Silver
Sterling Purity
Linear Span
18 Inches
Princess Length
Reference
N925-146
Product ID
Status
Brand New
H.E. Phillips Ltd
Technical 7-Table Framework for Silver Assets
1. Metallurgical Composition & Alloy Stability
| Material | Silver % | Specific Gravity | Purity Test | Application |
|---|---|---|---|---|
| 925 Sterling | 92.5% | 10.49 g/cm³ | Acid/XRF Verified | Daily Wear Jewellery |
| Fine Silver | 99.9% | 10.49 g/cm³ | N/A | Investment Bullion |
| Silver Plate | <1% | Varies | Surface Only | Costume Items |
Table 1 Analysis: This chain is manufactured from 925 silver, the global standard for high-quality jewellery. The 7.5% copper alloy ensures the 5g weight maintains its shape under normal wear, providing better durability than fine silver.
2. Dimensional Profile & Gauge
| Metric | Measurement | Tolerance | Visual Impact |
|---|---|---|---|
| Width | 2.3 mm | +/- 0.1mm | Subtle & Refined |
| Depth | 0.8 mm | +/- 0.1mm | Low-Profile Drape |
| Linear Mass | 0.27g per inch | Exact | Lightweight Comfort |
Table 2 Analysis: With a 2.3mm width, this chain provides a delicate yet visible presence. The 18-inch length is technically categorized as a "Princess" fit, designed to sit gracefully near the collarbone for most wearers.
3. Component & Mechanical Audit
| Component | Material | Mechanical Action | Verification |
|---|---|---|---|
| Fastener | 925 Silver | Spring-Loaded | Functionality Tested |
| Stamp | 925 Mark | Physical Indent | Purity Confirmed |
| Links | Solid Alloy | Interlocking | Uniformity Check |
Table 3 Analysis: The mechanical integrity of the clasp is audited to ensure secure closure. While not fully hallmarked due to falling under the weight threshold, the "925" stamp is a factory-guaranteed mark of purity verified by H.E. Phillips Ltd.
4. Regional Environment & Care Matrix
| Local Factor | Impact | Mitigation Protocol |
|---|---|---|
| Devon Humidity | Mild Oxidation | Anti-Tarnish Storage |
| Salt Air Exposure | Surface Sulfides | Fresh Water Cleaning |
| Body Chemistry | Variable Tarnish | Regular Micro-Polishing |
Table 4 Analysis: Silver reacts to sulfur in the air. We recommend a simple maintenance routine to preserve the brand-new finish, especially for clients residing near the coastal or humid areas of South West England.
5. Structural Center of Gravity
| Length | Weight | Drape Analysis | Comfort Rating |
|---|---|---|---|
| 18" (Standard) | 5.0g | Natural "V" Shape | High (All-day wear) |
| 16" (Short) | <4.5g | Higher Collar Line | Excellent |
| 20" (Long) | >5.5g | Mid-Sternum | Moderate |
Table 5 Analysis: At 5.0 grams, this 18-inch chain offers an ideal weight-to-length ratio. It is heavy enough to hold a lightweight second-hand silver pendant charm without causing neck fatigue.
6. Legal & Purity Benchmarks
| Feature | Standard | Verification |
|---|---|---|
| Marking | 925 Stamp | Visual Confirmation |
| Assay Necessity | Exempt (<7.78g) | UK Hallmarking Act 1973 |
| Guaranteed Purity | 92.5% Silver | Supplier Audit |
Table 6 Analysis: Under UK law, silver items under 7.78g do not require a full hallmark. However, we ensure all new silver chains meet the strict sterling requirements before being offered to our clients.
7. Authority Comparison: Totnes Specialist vs Generalist
| Metric | H.E. Phillips Ltd | Standard Retailers |
|---|---|---|
| Experience | 25+ Years (Est. 2000) | Variable |
| Verification | On-site Lab Scales | Catalog Specs Only |
| Accountability | Physical Devon Hub | Online Only |
Table 7 Analysis: Established in August 2000, our Totnes showroom provides a level of technical accountability that generalist retailers cannot. Every chain, such as N925-146, is physically inspected to ensure it matches its forensic description.
20 Technical FAQs: Engineering & Asset Management
Purity & Composition
1. What does "925" actually signify in this chain?
The "925" stamp indicates that the alloy consists of 92.5% pure silver and 7.5% other metals, typically copper. This specific ratio is used because pure silver (99.9%) is too soft for functional jewellery. The addition of copper provides the tensile strength necessary for the links to hold their shape under tension while maintaining the characteristic white lustre of silver.
2. Is this chain "solid" or "plated"?
This is a solid 925 silver chain. Unlike silver-plated items, which only have a microscopic layer of silver over a base metal like brass, this item is homogenous throughout. This means it can be polished repeatedly over many years without losing its colour or exposing a different metal underneath.
3. Why isn't this 5g chain fully hallmarked?
According to the UK Hallmarking Act 1973, silver items weighing less than 7.78 grams are legally exempt from compulsory hallmarking. While it is stamped "925" to indicate its fineness, it does not require the additional assay office marks. This helps keep the cost affordable while the purity remains guaranteed by H.E. Phillips Ltd.
4. Can 925 silver cause skin irritation?
925 sterling silver is generally considered hypoallergenic. Most skin reactions are caused by nickel, which is not present in our high-quality silver alloys. However, individuals with extreme sensitivities to copper should be aware of the 7.5% alloy content common to all sterling silver.
Durability & Mechanics
5. How strong is a 5-gram silver chain?
A 5-gram mass distributed over 18 inches results in a lightweight but resilient structure. While it is strong enough for daily wear, it is classified as a "fine" chain. It is engineered to withstand the weight of small pendants but may stretch or snap if subjected to significant force or snagging.
6. What type of clasp is used on the N925-146?
This chain typically utilizes a spring-ring or lobster-style clasp, both made of 925 silver. These mechanisms contain an internal steel spring for reliability. We audit every clasp to ensure the "snap-back" action is firm, preventing accidental loss during movement.
7. Will the links stretch over time?
All metal chains can experience "link elongation" if worn with excessively heavy pendants. For a 5g chain, we recommend keeping pendant weight under 3g to ensure the links do not deform. Regular inspections of the link junctions are recommended for any chain worn daily.
8. Is the finish "rhodium plated"?
Unless specified, most of our silver chains feature a natural high-polish finish. This provides the classic warm glow of silver. Rhodium plating is sometimes used to prevent tarnish, but natural silver is easier to restore and repair in a workshop environment.
Care & Maintenance
9. Why does new silver tarnish?
Tarnish is a natural chemical reaction called oxidation (or more accurately, sulfurization). When silver is exposed to hydrogen sulfide in the air, it forms silver sulfide—a black surface layer. This is not a defect but a characteristic of the metal that can be easily cleaned.
10. Can I wear this chain in the shower?
While fresh water won't damage 925 silver, exposure to soaps, shampoos, and chlorinated pool water can accelerate tarnish and leave "soap scum" in the link pivots. To maintain the "brand new" shine, we recommend removing the chain before bathing or swimming.
11. What is the best way to clean this 18" chain?
For routine maintenance, use a dedicated silver polishing cloth. For deeper cleaning, a mild solution of warm water and dish soap with a soft-bristled brush will remove oils. Avoid harsh chemical "dips" which can eventually pit the surface of the metal.
12. How should I store the chain when not in use?
Store your chain in a cool, dry place, ideally in an airtight bag or a fabric-lined jewellery box. Including an anti-tarnish strip can significantly slow down the oxidation process by absorbing sulfur from the surrounding air.
Value & Authenticity
13. Is 925 silver a good financial investment?
Silver is a precious metal with intrinsic commodity value. While jewellery includes costs for craftsmanship and retail, the 5g silver content provides a "floor" value based on the current market spot price for silver, unlike base-metal costume jewellery.
14. How can I be sure this is real silver?
Beyond the 925 stamp, H.E. Phillips Ltd performs independent quality checks on all stock. Our reputation in Totnes since 2000 is built on metallurgical honesty. We use precision scales and acid testing where necessary to verify the silver content of every piece.
15. What is the difference between "Sterling" and "925"?
In modern jewellery, the terms are interchangeable. "Sterling Silver" is the historical name for the 92.5% alloy. "925" is the decimal millesimal fineness mark used globally to identify the same silver purity standard.
16. Does H.E. Phillips Ltd offer a guarantee?
Yes. We guarantee that the item is exactly as described regarding its metal content and weight. If any discrepancy is found, we offer a full refund policy, reflecting our commitment as a trusted family business.
Styling & Coordination
17. Is 18 inches the right length for me?
18 inches is the most popular length for women, typically sitting just below the throat on the collarbone. For men, it usually fits as a "choker" or a very short chain. We recommend measuring your neck with a piece of string to visualize the drape before purchase.
18. Can I pair this with a gold watch?
Mixing metals is a popular modern trend. This silver chain pairs excellently with stainless steel watches from our Casio range or can provide a striking contrast when worn alongside second-hand gold bracelets.
19. Is this style suitable for men?
The sleek, simple design of this chain is unisex. Its 2.3mm width is refined and subtle, making it a popular choice for anyone seeking a minimalist look or a sturdy base for a small religious or sentimental charm.
20. Can I visit the store to see the chain?
We welcome you to visit us at 19 Fore Street, Totnes. Seeing the 2.3mm width and 18-inch drape in person allows you to feel the 5g weight and ensure the style meets your expectations before committing to the acquisition.
© 2026 H.E. Phillips Ltd - Your Official Authorised Fine Jewellery and Horological Specialist. All technical data verified for forensic accuracy.
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