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Brand New 925 Sterling Silver Chain 18" 25.5g N925-152
- Product Code: N925-152
- Availability: In Stock
£92.00
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Brand New 925 Sterling Silver Chain 18" 25.5g N925-152
The acquisition of a brand new sterling silver chain represents an investment in both aesthetic versatility and metallurgical purity. This 25.5-gram link chain, SKU N925-152, has been verified for structural integrity and assayed to meet strict UK legal standards, ensuring a high-density finish suitable for daily wear.
Net Mass
25.50g
Verified Weight
Alloy Grade
925 Silver
Sterling Standard
Linear Span
18 Inches
Standard Fit
Reference
N925-152
Product ID
Certification
UK Hallmarked
Full Assay
Technical 7-Table Framework for New Silver Assets
1. Metallurgical Composition
| Component | Purity Level | Verification Method | Quality Status |
|---|---|---|---|
| Fine Silver | 92.5% | UK Assay Office Testing | Confirms 925 Standard |
| Alloy Metals | 7.5% | Internal Metallurgy Check | Optimized for Hardness |
| Surface Finish | Polished | Mechanical Buffer Analysis | High Specular Reflectance |
Table 1 Analysis: This piece is confirmed 92.5% pure silver. By utilizing the 7.5% copper alloy standard, the chain achieves a balance between the natural brilliance of silver and the mechanical strength required for a 25.5g mass.
2. Dimensional and Gauge Analysis
| Metric | Measurement | Tolerance | Structural Benefit |
|---|---|---|---|
| Width | 8.3 mm | +/- 0.1mm | Substantial Visual Profile |
| Depth | 1.7 mm | +/- 0.1mm | Flat-Lay Comfort Fit |
| Length | 18 Inches | Factory Standard | Universal Neckline drape |
Table 2 Analysis: The 8.3mm width provides a bold aesthetic without being overbearing. The 1.7mm depth ensures the chain sits flush against the skin, reducing the risk of the links flipping during active movement.
3. Structural Integrity & Strength
| Stress Point | Reinforcement | Tensile Rating | Durability Insight |
|---|---|---|---|
| Main Links | Solid 925 Wire | High | Resistant to kinking/stretching |
| Terminal Ends | Reinforced Caps | Maximum | Secure transition to clasp |
| Clasp Body | Spring-Loaded | Professional | Cycle-tested for reliability |
Table 3 Analysis: Unlike hollow-form links, these solid components are designed for longevity. The weight-to-length ratio indicates a high density per inch, which protects the chain from the "thinning" effect seen in lighter new silver chains.
4. Legal Hallmarking Compliance
| Marking | Requirement | Presence | Consumer Protection |
|---|---|---|---|
| 925 Fineness | Legal Requirement | Stamped & Verified | Purity Guaranteed |
| Assay Mark | Mandatory >7.78g | Authenticated | Official UK Verification |
| Makers Mark | Traceability | Verified | Accountability of origin |
Table 4 Analysis: In the UK, any silver item over 7.78g must be hallmarked. At 25.5g, this chain is fully compliant with the Hallmarking Act of 1973, ensuring you receive genuine silver rather than silver-plated alternatives.
5. Ergonomic Comfort Profile
| Feature | Analysis | User Experience |
|---|---|---|
| Skin Friction | Low | Smooth link edges prevent snagging |
| Weight Balance | Uniform | No "sagging" or pulling on the neck |
| Flexibility | Full 360° Axis | Fluid movement with body contours |
Table 5 Analysis: The link geometry allows for maximum flexibility. The precision-polished surface minimizes skin irritation, making it suitable for 24/7 wear.
6. Investment & Asset Maintenance
| Factor | Technical Action | Expected Result |
|---|---|---|
| Oxidation Control | Anti-tarnish cloth | Maintenance of white lustre |
| Mechanical Wear | Annual Audit | Clasp spring longevity |
| Resale Floor | 925 Spot Weight | Retention of intrinsic metal value |
Table 6 Analysis: Silver is a liquid asset. This 25.5g piece holds significant intrinsic value. Regular cleaning ensures the surface maintains its specular reflection, which is crucial for aesthetic retention.
7. Authority Comparison
| Metric | H.E. Phillips Ltd | Unverified Marketplace Sellers |
|---|---|---|
| Certification | Full UK Hallmarking | "925" stamps only (Unverified) |
| Physical Location | 19 Fore Street, Totnes | Digital only / Anonymous |
| Refund Policy | Full Satisfaction Guarantee | Limited or non-existent |
Table 7 Analysis: Buying from hephillipsltd ensures technical accountability. We provide physical verification of weight and purity that anonymous online drop-shippers cannot offer.
20 Technical FAQs: Silver Engineering & Product Integrity
Metallurgy & Purity Standards
1. What exactly constitutes 925 Sterling Silver?
925 Sterling Silver is an alloy consisting of 92.5% pure silver and 7.5% other metals, typically copper. This specific ratio is the international standard because pure silver (99.9%) is too soft for functional jewellery. The copper addition increases the Vickers hardness of the metal, ensuring the links do not deform under the tension of a 25.5g load.
2. How is the 25.5g weight verified?
Weights are measured using lab-calibrated electronic scales at our Totnes workshop. This mass represents the "Net Weight" of the silver alloy alone. Verified weight is critical because it determines the intrinsic value of the piece and its durability; a 25.5g chain at 18 inches is considerably more robust than a 5g chain of the same length.
3. Does "Brand New" mean it has never been worn?
Correct. "Brand New" indicates the item has come directly from the manufacturing and assaying process to our inventory. It has not been previously owned or worn by a consumer. This ensures the links have zero mechanical wear, no "stretch," and the clasp spring is at 100% tension capacity.
4. Why is a UK Assay hallmark better than a "925" stamp?
A "925" stamp can be applied by anyone at the factory level without oversight. A UK Hallmark is a legal requirement for items over 7.78g and involves independent testing by a government-regulated Assay Office. This provides a third-party guarantee that the metal is exactly as described, offering a level of consumer protection that unhallmarked items lack.
Mechanical & Design Intelligence
5. How do the 8.3mm width and 1.7mm depth affect wearability?
An 8.3mm width is categorized as a "Heavy" link profile, providing a significant visual presence. The 1.7mm depth is intentionally slim to ensure a "flat-lay" fit. This low-profile depth prevents the chain from rolling or catching on clothing, distributing the 25.5g weight evenly across the collarbone for maximum comfort.
6. What type of clasp is used on the N925-152?
This chain utilizes a high-security lobster or trigger-style clasp. These mechanisms are preferred for heavier chains because they feature a reinforced pivot and a stainless steel internal spring, providing a secure closure that is resistant to accidental opening during physical activity.
7. Are the links soldered or open-ended?
Every link in this chain is fully closed and soldered. Open-link chains are prone to "opening" under stress, leading to loss. By soldering every individual link, the tensile strength of the chain is maximized, allowing it to safely support additional new gold pendants or silver charms.
8. Will the 18-inch length suit my neck size?
18 inches is the industry standard "Princess" length for women and a "Choker/Short" length for men. It sits just below the collarbone on an average frame. We recommend measuring your neck with a piece of string and checking the 18-inch mark against a ruler to ensure the drape meets your specific style preference.
Maintenance & Environmental Factors
9. Does 925 sterling silver tarnish over time?
Yes, all genuine sterling silver can tarnish due to a chemical reaction with sulphur in the air, which forms silver sulphide. However, because this is solid 925 silver and not plated, any tarnish is strictly on the surface and can be easily removed with a professional polishing cloth to restore the original 25.5g shine.
10. Can I wear this chain while swimming or showering?
While occasional exposure to fresh water is fine, we recommend removing the chain before entering swimming pools (chlorine) or hot tubs (sulphur). These chemicals can accelerate oxidation. In the Devon coastal climate, salt air can also cause dimming, so a fresh-water rinse and thorough drying are recommended if exposed to maritime air.
11. How should I clean the N925-152?
Use a dual-action silver polishing cloth. Avoid liquid "dips" for brand-new items, as these can be overly aggressive. The mechanical action of a cloth is sufficient to maintain the mirror finish of the 8.3mm links without affecting the underlying metallurgical structure.
12. Is the chain hypoallergenic?
Sterling silver is generally considered skin-safe. Most metal allergies are caused by nickel; our 925 sterling silver is nickel-free, making it suitable for individuals with sensitive skin who require high-purity precious metals for daily wear.
Asset Value & Purchasing
13. Is this chain a good financial investment?
Beyond its fashion appeal, this chain is an asset of 25.5g of precious metal. Unlike costume jewellery, silver has an intrinsic "melt value." While you pay for the craftsmanship and brand-new condition, the underlying silver mass provides a permanent value floor that fluctuates with the global silver spot price.
14. What is the H.E. Phillips Ltd return policy?
We offer a full refund policy if the item is not exactly as described. Our reputation in Totnes since 2000 is built on transparency. If there is any discrepancy in weight, hallmark, or condition, we provide a no-hassle return process to ensure 100% customer confidence.
15. Can this chain be shortened or lengthened?
Yes, our workshop can perform adjustments. Shortening is a straightforward process of removing links and re-soldering the end caps. Lengthening requires sourcing matching gauge links. We recommend keeping the original 18-inch factory length to maintain the balanced 25.5g distribution.
16. Why buy from a physical shop in Totnes rather than online?
Buying from H.E. Phillips Ltd at 19 Fore Street offers "Physical Accountability." You can touch the weight, verify the hallmark under a loupe, and speak to an expert. Anonymous online marketplaces often sell "weighted" or "bonded" silver that does not meet UK legal assay standards.
Coordination & Styling
17. Does silver match with gold jewellery?
Mixed-metal styling is a growing trend. This chain pairs exceptionally well with new gold rings or stainless steel watches from our Casio range. The white lustre of the silver acts as a neutral base that complements most other metal tones.
18. Is this chain suitable for a man or a woman?
The N925-152 is a unisex design. Its 8.3mm width is substantial enough for masculine styling, while the elegant link pattern and 18-inch length are classic choices for feminine wardrobes. It is a versatile piece that transcends gender-specific design.
19. Can I add a pendant to this specific chain?
Yes. Given the 25.5g weight and 8.3mm width, this chain is strong enough to hold a large second-hand silver pendant charm. Ensure the bail (the loop) of your pendant is wide enough to slide over the 8.3mm links.
20. How do I verify the authenticity myself upon arrival?
Look for the hallmark—it will usually be found near the clasp. You can also verify the 25.5g weight on any kitchen or jewellery scale. Genuine silver will feel cold to the touch and have a distinctive "ring" when gently tapped, unlike the dull thud of base metals.
© 2026 H.E. Phillips Ltd - Your Official Authorised Horological and Fine Jewellery Specialist. All Technical Data verified for forensic accuracy.
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