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Brand New 925 Silver Chain 20" 18.9g N925-149
- Product Code: N925-149
- Availability: In Stock
£72.00
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Brand New 925 Silver Chain 20" 18.9g N925-149
Presenting a pristine, unworn 925 silver chain engineered for lasting durability and timeless aesthetic appeal. This 18.9-gram specimen, identified by reference N925-149, provides a substantial 20-inch linear span, meticulously tested at our Totnes workshop to ensure absolute metallurgical purity and structural integrity for the discerning wearer.
Net Mass
18.90g
Calibrated Weight
Alloy Grade
925 Silver
Authentic Sterling
Linear Span
20 Inches
Standard Length
Reference
N925-149
Stock Identifier
Origin
Totnes
Devon, UK Hub
Technical 7-Table Framework for Silver Assets
1. Metallurgical Composition & Silver Standards
| Material Grade | Silver Content | Alloy Components | Verification Status | Physical State |
|---|---|---|---|---|
| Sterling Silver | 92.5% | 7.5% Durable Copper | Fully Tested | Brand New |
| Fine Silver | 99.9% | Pure Element | Unsuitable for Chains | Investment Only |
| Britannia Silver | 95.8% | Alloyed Blend | Alternative Standard | Specialist |
Table 1 Analysis: This specimen adheres to the international 925 standard. The inclusion of 7.5% copper is a technical necessity, providing the Vickers hardness required for the chain to withstand daily mechanical friction without excessive deformation.
2. Dimensional Analysis & Physical Presence
| Metric | Measurement | Tolerance | Style Impact |
|---|---|---|---|
| Total Length | 20 Inches | +/- 0.1" | Mid-Sternum Rest |
| Width | 4.5 mm | Precision Gauge | Visible Statement |
| Depth | 1.6 mm | Uniformity Check | Low-Profile Comfort |
Table 2 Analysis: The 4.5mm width combined with an 18.9g mass creates a high "linear density," ensuring the chain drapes naturally over the collarbone without twisting. This makes it an ideal candidate for new silver chains requiring both strength and style.
3. Hallmarking & Security Protocols
| Indicator | Marking | Legal Context | Consumer Benefit |
|---|---|---|---|
| Purity Stamp | "925" Struck | Standardized ID | Proof of Content |
| Assay Status | Tested Independently | Quality Control | Guaranteed Value |
| Refund Policy | H.E. Phillips Guarantee | Full Coverage | Risk Mitigation |
Table 3 Analysis: While not hallmarked through a traditional UK assay office, the "925" stamp signifies metallurgical compliance. H.E. Phillips Ltd backs this item with a 100% refund guarantee, ensuring the customer is protected by professional accountability.
4. Mechanical Integrity & Hardware Audit
| Component | Material | Mechanical Action | Safety Rating |
|---|---|---|---|
| Fastening Clasp | Solid 925 Silver | High-Tension Spring | Secure |
| Terminal Rings | Closed Gauge | Zero Gap Audit | High |
| Link Articulation | Polished Alloy | 360° Movement | Friction-Minimized |
Table 4 Analysis: The clasp mechanism is audited for spring fatigue before dispatch. Unlike mass-produced imports, this chain features reinforced terminal jump rings to prevent accidental loss, even when paired with a new gold pendant or similar heavy accessory.
5. Surface Finish & Specular Analysis
| Finish Type | Lustre Level | Maintenance Tier | Aesthetic Profile |
|---|---|---|---|
| High Polish | Specular Reflection | Bi-Monthly Wipe | Mirror-like Shine |
| Matte/Satin | Diffused | Low | Contemporary |
| Oxidized | Low (Darkened) | Minimal | Vintage Appearance |
Table 5 Analysis: This brand-new item features a high-specular finish. To maintain this "factory-fresh" shine, we recommend a dual-layer polishing cloth, as raw 925 silver is susceptible to atmospheric sulfide tarnish over time.
6. Investment & Asset Value Comparison
| Asset Type | Commodity Base | Wearability | Retention Potential |
|---|---|---|---|
| 18.9g Silver Chain | High | Everyday | Moderate-High |
| Plated Base Metal | Zero | Fragile | None |
| Investment Bullion | 100% | None | High |
Table 6 Analysis: With nearly 19 grams of sterling silver, this chain represents a tangible asset. It bridges the gap between fashion and finance, similar to our collection of new silver bracelets.
7. Specialist Authority Hub: H.E. Phillips Ltd
| Feature | Service Standard | Physical Presence | Historical Data |
|---|---|---|---|
| Verification | In-House Lab Testing | 19 Fore Street, Totnes | Established Aug 2000 |
| Expertise | Professional Appraisers | Devon, UK | 25+ Years Experience |
Table 7 Analysis: Shopping with an established jeweler provides a level of forensic accuracy that generalist retailers cannot match. We ensure that every link of SKU N925-149 meets our rigorous standards for "Authentic Brand New" status.
20 Technical FAQs: Engineering & Asset Management
Metallurgical Purity & Composition
1. What exactly does the "925" stamp represent on this chain?
The "925" mark is the international hallmark for Sterling Silver. It technically indicates that the alloy is composed of 92.5% pure silver. The remaining 7.5% is typically copper, which is added to increase the metal's hardness. Pure silver is too ductile for a 20-inch chain and would stretch or snap under its own weight.
2. Is this chain plated or solid silver throughout?
This is solid 925 sterling silver. Many affordable retailers sell "silver-plated" items which have a copper or brass core. Our N925-149 specimen is a homogenous alloy; if you were to cut a link in half, it would be silver all the way through, ensuring long-term value and skin compatibility.
3. Why is copper used as the alloying metal?
Copper is the industry standard because it provides the best balance of strength and color retention. While other metals can be used, copper ensures the chain remains hypoallergenic for most users while significantly raising the Mohs hardness of the piece to withstand the friction of a 20-inch drape.
4. Has this specific chain been tested for purity?
Yes. Every batch of brand-new silver entering H.E. Phillips Ltd undergoes internal verification. We utilize non-destructive testing methods to confirm that the silver content meets the 92.5% threshold before it is cataloged, providing a guarantee of authenticity for every customer.
Physical Specifications & Fit
5. How does the 18.9g weight feel for daily wear?
At 18.9 grams, this chain is considered a "medium-heavy" weight. It is substantial enough to feel high-quality and stay in place on your chest, but light enough to be worn for 12+ hours without causing neck fatigue. It offers a premium tactile experience compared to hollow, lightweight alternatives.
6. Where will a 20-inch chain sit on the average person?
For most men and women, a 20-inch chain sits just below the collarbone, near the mid-sternum. It is a highly versatile length that works well over a t-shirt or tucked inside a collared shirt, making it one of our most popular dimensions for brand new silver chains.
7. What are the width and depth measurements of the links?
The links measure 4.5mm in width and 1.6mm in depth. This "flat" profile ensures the chain sits flush against the skin, minimizing the risk of the links catching on clothing fibers or chest hair, which is a common technical fault in poorly designed jewelry.
8. Can I add a pendant to this specific chain?
Absolutely. The 18.9g mass provides excellent tensile strength. It can safely support a second-hand silver pendant charm or even a new gold pendant up to approximately 20 grams without risking link elongation.
Durability & Mechanical Security
9. What type of clasp is used on the N925-149?
This chain utilizes a high-grade trigger or lobster-style clasp made of solid 925 silver. It contains an internal stainless steel spring for maximum longevity, as silver springs are too soft to maintain tension over thousands of cycles.
10. Are the links soldered or open?
The links in this chain are fully closed, providing superior structural integrity. Open-link chains are prone to "spreading" under tension, which leads to breakage. Our technical audit ensures that the terminal jump rings are also securely fastened.
11. Will the chain stretch over time?
Because this is a brand-new, solid gauge chain, stretching is highly unlikely under normal conditions. Link elongation typically only occurs in very fine, lightweight chains or those subjected to extreme force. The 18.9g build is designed for mechanical stability.
12. Is the silver hypoallergenic?
Yes, 925 sterling silver is generally considered safe for sensitive skin. It does not contain nickel, which is the primary cause of skin irritation in lower-quality jewelry. As a brand-new item, it is free from any previous organic contaminants.
Care & Maintenance
13. How do I prevent my silver chain from tarnishing?
Tarnish is a natural reaction to sulfur in the air. To minimize it, store your chain in a cool, dry place when not in wear. Regular cleaning with a silver cloth will remove early oxidation before it turns into deep black tarnish.
14. Can I wear this chain in the shower or swimming pool?
We recommend removing it. While water won't harm the silver, chlorine in pools and chemicals in soaps can accelerate tarnishing or leave a film on the links, dulling the mirror finish of your new silver chains.
15. Is it safe to use liquid silver dips?
Use them sparingly. Liquid dips are acidic and can "etch" the surface of the silver if left too long. For a brand-new chain like the N925-149, a professional polishing cloth is usually sufficient to maintain the factory shine.
16. What should I do if the clasp feels stiff?
A stiff clasp usually indicates a buildup of dust or microscopic debris. A quick rinse in warm soapy water followed by thorough drying usually resolves this. If it persists, our Totnes workshop can provide a professional mechanical audit.
Acquisition & Authority
17. Why buy from H.E. Phillips Ltd instead of an online marketplace?
Physical accountability. Since August 2000, we have operated a brick-and-mortar shop in Totnes. When you buy from us, you aren't dealing with an anonymous algorithm; you are buying a tested, guaranteed asset from a family-run specialist.
18. Do you offer a warranty on brand-new silver?
We offer a full authenticity guarantee and a refund policy if the item is not as described. Every piece is inspected for manufacturing defects before it is placed in our inventory to ensure you receive a perfect specimen.
19. Can I visit your shop to see the chain in person?
Yes, we welcome visitors to our showroom at 19 Fore Street, Totnes. You can feel the 18.9g weight and see the 20-inch drape firsthand, accompanied by expert advice from our technical team.
20. Does silver hold its value like gold?
Silver is a precious metal commodity. While the price per gram is lower than gold, a solid 18.9g chain retains its "melt value" regardless of fashion trends, making it a sound purchase compared to costume jewelry. We also offer a sell gold or sell silver service for future upgrades.
© 2026 H.E. Phillips Ltd - Your Official Authorised Fine Jewellery Specialist. All technical specifications verified for metallurgical accuracy.
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