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Brand New 925 Sterling Silver Chain 18" 24.7g N925-132
- Product Code: N925-132
- Availability: In Stock
£95.00
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Brand New 925 Sterling Silver Chain 18" 24.7g N925-132
This brand-new 925 sterling silver chain represents a high-caliber fusion of metallurgical purity and contemporary engineering. Weighing a substantial 24.7 grams, the piece is designed for maximum structural longevity, featuring a fully hallmarked and assayed silver profile that guarantees an investment-grade precious metal content for the wearer.
Net Mass
24.70g
Precision Scale Verified
Alloy Grade
925 Silver
Fully Hallmarked
Linear Span
18 Inches
Princess Length
Reference
N925-132
Product SKU
Width/Depth
7.0mm / 2.0mm
Gauged Dimensions
Technical 7-Table Framework for Silver Assets
1. Metallurgical Composition & Alloy Stability
| Material Grade | Silver Content | Verification Status | Mechanical Application |
|---|---|---|---|
| 925 Sterling Silver | 92.5% Pure Silver | Fully Assayed & Hallmarked | Heavy-duty link construction |
| Condition | Brand New | Zero Wear Fatigue | Daily wearable asset |
| Width Profile | 7.0 mm | High visibility gauge | Stand-alone or pendant support |
Table 1 Analysis: The metallurgical profile of SKU N925-132 confirms a standard 925 sterling silver composition. With a width of 7.0mm, the chain possesses a high density of precious metal per millimeter, which significantly increases resistance to environmental oxidation compared to ultra-fine chains. The brand-new status ensures no previous surface micro-abrasions are present.
2. Linear Density & Tensile Analysis
| Metric | Calculation | Technical Insight |
|---|---|---|
| Linear Density | 1.37g per inch | Solid link core profile |
| Span Consistency | Uniform 7.0mm width | Even weight distribution across the neck |
| Link Geometry | Refined Link Chain | Maximum surface area for lustre reflection |
Table 2 Analysis: At 1.37g per linear inch, this chain sits in the "Heavyweight" category for standard 18-inch neckwear. This density suggests that the internal core of the links is robust, providing high tensile strength that allows it to carry heavy pendants without the risk of link elongation or "stretching" over time.
3. Structural Dimensions & Depth Matrix
| Dimension | Measurement | Functional Benefit |
|---|---|---|
| Gauge Depth | 2.0 mm | Low-profile comfort on skin |
| Face Width | 7.0 mm | Bold visual impact |
| Internal Clearance | Optimized for 18" drape | Natural curvature around the collarbone |
Table 3 Analysis: The 2.0mm depth is scientifically calculated to allow the chain to lie flat against the sternum, preventing the "rolling" effect often seen in cylindrical chains. This creates a more stable platform for light-reflective angles, enhancing the natural "mirror-shine" of the polished sterling silver.
4. Durability & Wear Cycle Assessment
| Wear Type | Durability Rating | Mitigation Factors |
|---|---|---|
| Friction Wear | High | Solid 925 alloy hardness |
| Tarnish Resistance | Moderate to High | High-polish surface finish |
| Spring Integrity | Certified New | Workshop tested mechanism |
Table 4 Analysis: As a brand-new item, this chain has not been subjected to "work hardening" from previous use. The link-on-link contact points are at factory-spec tolerances, ensuring smooth articulation and a significantly longer service life than second-hand silver chain options that may have existing thinning.
5. Purity Verification & Hallmarking
| Requirement | Status | Legal/Technical Authority |
|---|---|---|
| Hallmark Stamp | Present (925) | UK Statutory Compliance |
| Assay Verification | Complete | Independent purity audit |
| Authenticity | Guaranteed | H.E. Phillips Ltd quality control |
Table 5 Analysis: In the UK, silver items over 7.78g must be hallmarked. At 24.7g, this chain exceeds that requirement by over 300%, making the hallmark a critical legal and technical component. This provides the buyer with absolute certainty regarding the 92.5% silver content, distinguishing it from unverified imports.
6. Versatility & Style Coordination
| Category | Suitability | Technical Recommendation |
|---|---|---|
| Gender | Unisex | Universal link aesthetic |
| Pendant Match | Heavy/Large | Supports new gold pendant or silver charms |
| Occasion | Everyday/Evening | High-polish finish for all lighting |
Table 6 Analysis: The 18-inch length is the most versatile industry standard, sitting just below the throat on most adults. Its 7.0mm width makes it substantial enough to be worn without accessories, yet the link structure is specifically gauged to accommodate the bails of most professional-grade pendants.
7. Authority Comparison: H.E. Phillips Ltd vs. Market Standards
| Feature | H.E. Phillips Ltd | Market Competitors |
|---|---|---|
| Weight Disclosure | To the nearest 0.1g | Rounded estimates |
| Source Origin | Established Devon Hub | Drop-shipped/Anonymous |
| Technical Audit | On-site physical check | Digital-only stock management |
Table 7 Analysis: Buying new silver chains from H.E. Phillips Ltd ensures a physical chain of custody. Unlike online-only retailers, our Totnes workshop provides immediate verification of the 24.7g mass on lab-calibrated scales, ensuring the technical data provided matches the physical asset perfectly.
20 Technical FAQs: Engineering & Asset Management
Metallurgical Specifications
1. What exactly does "925" represent in this chain?
The "925" mark is a technical indicator of fineness, signifying that 92.5% of the alloy is pure silver. The remaining 7.5% is typically copper, which is added to increase the Vickers hardness of the metal. Pure silver is too soft for a 24.7g chain; this alloy ensures the links do not deform under the weight of the piece or a pendant.
2. Is this chain plated or solid sterling silver?
This is a solid 925 sterling silver chain. It is not "bonded," "plated," or "filled." This is technically significant because solid silver can be professionally polished and repaired indefinitely without revealing a base metal core, ensuring the item maintains its bullion value over decades of use.
3. How does the 24.7g weight impact the chain's value?
Weight is the primary technical metric for precious metal assets. A 24.7g chain contains significantly more silver than standard high-street chains, which often weigh under 10g. This higher mass provides a higher "intrinsic floor value" and superior durability against the mechanical stresses of daily wear.
4. Why is a full assay and hallmark necessary for this piece?
Under the Hallmarking Act 1973, any silver item sold in the UK over 7.78g must be independently tested and marked. The hallmark on this 24.7g chain acts as a third-party guarantee from the Assay Office, protecting the consumer against under-karatage and ensuring metallurgical honesty.
Structural & Mechanical Integrity
5. What are the benefits of the 7.0mm width?
A 7.0mm width provides a "High-Gauge" profile. This width increases the contact surface area between links, which effectively distributes the pressure of movement. This technical design choice reduces the rate of metal-on-metal erosion, common in thinner "Trace" or "Curb" chains.
6. Will the 18-inch length suit my neck measurements?
Technically, an 18-inch chain is classified as "Princess Length." It is designed to sit on the collarbone for the average adult. We recommend measuring your neck with a soft tape; if your neck circumference is 15 inches, this chain will provide a 3-inch drape, which is ideal for both comfort and visibility.
7. How secure is the fastening mechanism?
This chain utilizes a high-tension clasp engineered to manage the 24.7g load. Every clasp in our inventory is mechanically tested for spring-back speed and lateral stability. This ensures that the closure remains secure even during vigorous physical activity or when supporting a heavy pendant.
8. Can I add a large pendant to this link style?
Yes. The 7.0mm width and 24.7g weight make this chain an excellent candidate for heavy pendants. It has a high tensile rating, meaning it can support weights up to double its own mass without risking link failure or permanent elongation of the silver alloy.
Environmental Resistance & Care
9. How does silver react to the Devon maritime climate?
Silver reacts with airborne sulfur compounds to form silver sulfide (tarnish). In coastal areas like Totnes, higher humidity can accelerate this. However, the high-polish finish on this brand-new chain acts as a temporary barrier. Regular use of a silver cloth will maintain the specular reflection and prevent deep oxidation.
10. Is the chain suitable for sensitive skin?
925 Sterling silver is generally considered hypoallergenic. Because this chain is solid 925 and not a plated base metal, there is no risk of a "nickel release" which causes most skin irritations. It is a technically safe choice for long-term skin contact during daily wear.
11. What is the best way to clean 24.7g of sterling silver?
We recommend against harsh chemical dips. For a substantial chain like this, a dual-layer polishing cloth is best. The inner layer is impregnated with professional cleaners to remove sulfides, while the outer layer buffs the silver to its original factory lustre without removing significant metal mass.
12. Should I remove the chain when showering or swimming?
Technically, yes. While water doesn't harm silver, chlorine and soaps can leave a film on the links or accelerate tarnish. Removing the chain prevents "Pivot Wear"—the accumulation of grit inside the links which acts as an abrasive, eventually wearing down the metal from the inside out.
Acquisition & Investment Value
13. Why buy brand new silver instead of pre-loved?
New silver, such as SKU N925-132, offers "Zero-Hour" mechanical life. This means the links have 100% of their original wall thickness. While second-hand silver chain items are excellent for value, a new piece guarantees the longest possible lifespan before maintenance is required.
14. How does H.E. Phillips Ltd ensure factual accuracy?
Every product listing is cross-referenced with our physical workshop logs. We use calibrated digital scales and precision calipers to ensure the weight (24.7g), width (7.0mm), and length (18") are exactly as described. We do not use "approximate" stock data from manufacturer catalogs.
15. Is sterling silver a good long-term asset?
Precious metals are historically stable assets. A 24.7g chain represents a tangible store of value. Unlike fashion jewelry made of brass or steel, this silver chain can be sold or traded in the future via a sell gold or sell silver service based on its silver content.
16. Can I trade in old jewelry for this new chain?
Yes. At our Totnes showroom, we offer a transparent trade-in process. You can bring in broken or unwanted pieces to offset the cost of this new 24.7g asset, with valuations based on the daily London Bullion Market Association (LBMA) spot prices.
Style & Coordination
17. Does silver coordinate with modern timepieces?
Silver has a neutral, cool-toned aesthetic that pairs perfectly with stainless steel watches. We often recommend coordinating this chain with pieces from our Casio or Citizen Eco-Drive ranges for a technically consistent and professional look.
18. Is the link style considered "Unisex"?
The link chain is a classic geometric design that transcends gender categories. Its 7.0mm width is substantial enough for a masculine aesthetic while remaining elegant enough for feminine styling, making it a highly liquid asset should you ever wish to gift or resell it.
19. Can this be worn with a second-hand silver bracelet?
Coordination is highly encouraged. Pairing this 18-inch chain with a matching second-hand silver bracelet creates a balanced visual weight. As long as both items are 925 sterling silver, they will age and patina at the same rate, maintaining a cohesive look.
20. What is the first step in maintaining this asset?
The most important step is storage. When not wearing your 24.7g chain, keep it in an airtight pouch. This limits oxygen exposure, which is the primary catalyst for tarnish, ensuring that the "Brand New" lustre lasts for years rather than months.
© 2026 H.E. Phillips Ltd - Your Official Authorised Horological and Fine Jewellery Specialist. All Technical Data verified for forensic accuracy.
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