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Brand New 925 Silver Chain 18" 7.1g N925-144
- Product Code: N925-144
- Availability: In Stock
£29.00
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Brand New 925 Silver Chain 18" 7.1g N925-144
This brand new 925 silver chain represents a fusion of contemporary manufacturing and high-purity silver sourcing. Verified at 7.1 grams with a polished finish, it provides an optimal balance between delicate aesthetics and structural integrity, specifically selected for the H.E. Phillips Ltd inventory to meet the rigorous demands of daily wear.
Net Mass
7.10g
New Stock
Alloy Grade
925 Silver
Guaranteed Purity
Linear Span
18 Inches
Princess Length
Reference
N925-144
Product ID
Width/Depth
4.9/1.7mm
Measured Gauge
Technical 7-Table Framework for Silver Assets
1. Metallurgical Composition & Alloy Stability
| Material | Silver % | Verification Method | Tarnish Profile | Application |
|---|---|---|---|---|
| 925 Fine Silver | 92.5% | 925 Stamp & Lab Tested | Atmospheric Reactive | Jewellery Linkage |
| Silver Plate | <1.0% | Acid/Scratch Test | Rapid Degradation | Cosmetic Only |
| Fine Silver | 99.9% | Assay Certified | Low (Soft) | Bullion Investment |
Table 1 Analysis: This 7.1g chain is confirmed as 925 silver. While not fully hallmarked due to weighing under the statutory 7.78g threshold for compulsory UK hallmarking, its purity is independently verified and guaranteed by our workshop to meet the sterling standard.
2. Dimensional Geometry & Link Density
| Dimension | Metric Measurement | Tolerance | Structural Benefit |
|---|---|---|---|
| Width | 4.9 mm | +/- 0.1mm | High Surface Visibility |
| Depth | 1.7 mm | +/- 0.05mm | Low-Profile Drape |
| Length | 18 Inches | Standard | Versatile Placement |
Table 2 Analysis: The 4.9mm width relative to the 7.1g weight indicates a refined link geometry. This ratio ensures the chain remains lightweight enough for all-day comfort while maintaining a presence that pairs well with new silver chains or pendants.
3. Finishing & Specular Reflection Audit
| Process | Type | Quality Grade | Maintenance Requirement |
|---|---|---|---|
| Surface Finish | Polished Mirror | Grade A | Micro-fibre Cloth |
| Purity Stamp | Deep Struck "925" | Clear/Visible | None |
| Link Action | Fluid Motion | Audit Passed | None |
Table 3 Analysis: Each link has undergone a mechanical polishing process to achieve high specular reflection. This "brand new" state ensures no previous microscopic scratches or "pitting," offering a pristine surface for the end user.
4. Regional Maritime Care Matrix
| Environment | Risk Factor | Impact Rate | Recommended Intervention |
|---|---|---|---|
| Coastal Devon | Salt Spray | Accelerated | Fresh Water Rinse |
| Urban Center | Sulfur Dioxide | Moderate | Silver Polishing Cloth |
| Gym/Pool | Chlorine/Sweat | Severe | Removal Before Activity |
Table 4 Analysis: As a Totnes-based retailer, we advise that 925 silver is susceptible to the maritime air of the South West. Regular use of a silver cloth will prevent the build-up of silver sulfide tarnish.
5. Physical Mass & Load Distribution
| Component | Mass Distribution | Stress Analysis | Security Rating |
|---|---|---|---|
| Main Body | ~6.80g | Uniform | High |
| Clasp System | ~0.30g | Mechanical Pivot | Passed Audit |
| Total Asset | 7.10g | Total Weight | Reliable Daily Wear |
Table 5 Analysis: With a net mass of 7.1g, this chain is ideal for carrying a second-hand silver pendant charm. The weight is sufficient to keep the chain centered on the neckline without excessive shifting.
6. Procurement & Authenticity Benchmarks
| Benchmark | Requirement | Status for N925-144 |
|---|---|---|
| Material Origin | Verified 925 Alloy | Guaranteed |
| Condition Audit | Zero Wear/Brand New | Confirmed |
| Legal Compliance | Exempt from Hallmark (>7.78g) | Fully Compliant |
Table 6 Analysis: We strictly adhere to the UK Hallmarking Act 1973. While items under 7.78g do not require a hallmark, our internal auditing ensures that the "925" stamp is backed by metallurgical testing before being added to our new silver bracelets and chain collection.
7. Seller Authority & Accountability
| Metric | H.E. Phillips Ltd | General Online Marketplaces |
|---|---|---|
| Industry Experience | Since August 2000 | Unknown/Variable |
| Physical Showroom | 19 Fore Street, Totnes | Digital Only |
| Returns Policy | Full Satisfaction Guarantee | Varies (often difficult) |
Table 7 Analysis: Buying from H.E. Phillips Ltd ensures you are protected by a quarter-century of local reputation. Unlike drop-shipped silver, our items are physically inspected, weighed, and verified in our Devon workshop.
20 Technical FAQs: Engineering & Asset Management
Metallurgical Purity & Composition
1. What is the difference between 925 and Sterling Silver?
Technically, they represent the same purity level (92.5% silver). However, "Sterling" is a traditional term, while "925" is the numerical denotation of the alloy's fineness. This chain is guaranteed to meet the 925 standard, ensuring it contains the high silver content expected in fine jewellery.
2. Why is the remaining 7.5% of the alloy important?
Pure silver (99.9%) is too soft for functional chains and would stretch or break easily. The 7.5% additive, typically copper, provides the necessary Vickers hardness to ensure the links can withstand the friction of movement while maintaining the white lustre of the silver.
3. Does "Brand New" affect the metallurgical value?
While the intrinsic silver value is based on weight (7.1g), a brand new item ensures the physical links have no "work hardening" or fatigue from previous owners. This maximizes the lifespan of the chain compared to unverified second-hand silver chain options.
4. Is this chain hypoallergenic for sensitive skin?
925 silver is generally considered hypoallergenic as it is lead and nickel-free in high-quality alloys. However, since silver reacts with skin acidity, we recommend ensuring your skin is dry and free of lotions before wear to prevent minor localized reactions or rapid tarnishing.
Structural & Mechanical Engineering
5. How secure is the clasp mechanism on this specific 7.1g model?
The clasp is chosen to match the 7.1g weight class, providing a secure closure without being overly bulky. We subject our clasps to mechanical snap-tests to ensure the internal spring has the correct tension for consistent, reliable daily fastening.
6. Can the 1.7mm depth withstand accidental tugging?
The 1.7mm depth is balanced against the 4.9mm width to create a flat, durable link profile. This "low-profile" design reduces the risk of the chain catching on clothing fibers, which is a primary cause of accidental breakage in finer jewellery.
7. Why is 18 inches considered the "Princess" length?
In technical jewellery terms, 18 inches is the most versatile length for women, sitting just below the collarbone. It provides enough linear span to accommodate a new gold pendant or silver charm while keeping the asset visible above most necklines.
8. Are the links on this chain solid or hollow?
This 7.1g chain features solid-link construction for its size. Hollow chains of this width would weigh significantly less (approx. 2-3g) and be prone to crushing. The 7.1g weight ensures the links are robust and resistant to permanent deformation.
Surface Maintenance & Care
9. Why does silver tarnish, and is it a sign of poor quality?
Tarnish (silver sulfide) is a natural chemical reaction to sulfur in the air and is actually proof of the silver's purity. It is not a defect but a surface-level oxidation that can be easily removed to restore the original mirror finish.
10. Can I wear this 925 chain in the shower?
While water won't destroy silver, chemicals in soaps and shampoos can accelerate tarnish and leave "soap scum" in the link pivots. To maintain the 7.1g polished shine, we recommend removing the chain before bathing or using hair products.
11. What is the safest way to clean a polished finish?
Avoid abrasive "silver dips" which can be too aggressive. We recommend a dual-action silver polishing cloth. Use the inner treated layer to remove oxidation and the outer layer to buff the 4.9mm surface to a high-gloss specular reflection.
12. How should I store the chain when not in use?
Store in a cool, dry place, ideally in an air-tight pouch or a lined jewellery box. Keeping it away from open air prevents the "specular dimming" caused by atmospheric pollutants found in urban or coastal environments.
Legal & Authenticity Verification
13. Why isn't this chain fully hallmarked?
Under UK law (Hallmarking Act 1973), silver items weighing less than 7.78 grams are exempt from compulsory hallmarking. Since this chain is 7.1g, it is stamped "925" by the manufacturer, and its purity is guaranteed by H.E. Phillips Ltd.
14. How can I be sure it's not silver-plated?
Plated items often feel lighter and have a different "ring" when dropped. We verify every "N925" SKU using density checks and visual inspections of the wear points. Our 25-year reputation in Totnes is built on never selling misrepresented materials.
15. What does the "N925-144" code signify?
This is our internal Asset Serial ID. It ensures traceability within our inventory, confirming the item was sourced as brand new stock and has undergone our specific quality control checks before being listed for sale.
16. Can I get this chain hallmarked if I want to?
Yes, any silver item can be voluntarily submitted to the Assay Office for hallmarking. However, this incurs additional costs and time. For a 7.1g item, the manufacturer's 925 stamp is the industry standard for authenticity.
Asset Strategy & Coordination
17. Does this chain hold its value over time?
925 silver is a precious metal commodity. While retail prices include craftsmanship, the 7.1g mass provides a "melt value" floor. High-quality silver items historically retain value better than "fashion" jewellery made from base metals.
18. How does this chain coordinate with watches?
Silver's neutral, cool tone makes it an excellent companion for stainless steel timepieces. It pairs exceptionally well with watches from our Casio or Citizen collections.
19. Is this 18-inch chain suitable for a gift?
Absolutely. 18" is the "safe" standard for gifting as it fits the majority of adults comfortably. Combined with the 7.1g weight and brand new condition, it serves as a high-quality, long-lasting gift that won't irritate the skin.
20. Can I trade in old silver to buy this new chain?
Yes. We offer a professional sell gold or sell silver service. You can bring your old or broken jewellery to our Totnes showroom, and we can provide a valuation to be used against the purchase of new assets.
© 2026 H.E. Phillips Ltd - Your Official Authorised Horological and Fine Jewellery Specialist. All Technical Data verified for forensic accuracy.
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