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Pre-loved Vintage Second Hand 925 Sterling Silver Bangle 31g 2H925-157
- Product Code: 2H925-157
- Availability: In Stock
£89.00
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Pre-loved Vintage Second Hand 925 Sterling Silver Bangle 31g 2H925-157
This pre-loved vintage 925 sterling silver bangle represents a significant metallurgical asset, combining a substantial 31-gram mass with the classic "slave" profile. Audited for structural integrity and surface finish at our Totnes workshop, this piece offers a level of durability and density far exceeding modern lightweight alternatives.
Gross Mass
31.00g
Verified Solid
Purity Grade
925 Silver
Sterling Standard
Form Factor
Slave Bangle
Seamless Loop
Serial ID
2H925-157
Asset Reference
Audit Hub
Totnes
Devon, UK
Technical 7-Table Framework for Silver Assets
1. Metallurgical Composition & Purity Standards
| Material Classification | Silver Content | Density (g/cm³) | Hardness (Mohs) | Diagnostic Analysis |
|---|---|---|---|---|
| Sterling Silver (925) | 92.5% | 10.36 | 2.5 - 3.0 | Verified via Assay Benchmarks |
| Fine Silver | 99.9% | 10.49 | 2.5 | Too malleable for heavy bangles |
| Silver Plate | <1.0% | Variable | N/A | Rejected by H.E. Phillips Ltd |
Table 1 Analysis: The 31g construction of this bangle utilizes the 925 sterling silver alloy standard. The inclusion of 7.5% copper is technically necessary to provide the Vickers hardness required for a heavyweight "slave" design, ensuring the bangle maintains its circularity during daily wear.
2. Structural Architecture & Integrity Audit
| Design Profile | Mechanical Status | Wall Gauge | Durability Rating |
|---|---|---|---|
| Solid Bar Construction | Seamless | Heavy Gauge | Maximum (Impact Resistant) |
| Hollow Tubing | Seamed | Thin Wall | Low (Prone to Denting) |
| Electroformed | Hollow Shell | Micron level | Fragile |
Table 2 Analysis: Unlike mass-market new silver bracelets which often utilize hollow tubing to reduce costs, SKU 2H925-157 features a solid cross-section. This architectural choice ensures that the item can be professionally refinished multiple times over decades without compromising the structural wall.
3. Specimen Finish & Specular Reflectivity
| Finish Type | Process Applied | Light Return | Maintenance Requirement |
|---|---|---|---|
| Mirror Polish | Multi-stage Mop | >95% | Occasional cloth buffing |
| Satin/Brushed | Abrasive Grain | Diffuse | Low |
| Vintage Patina | Natural Oxidation | Low | None (Collector choice) |
Table 3 Analysis: Our Totnes workshop has restored this piece to a high-gloss mirror finish. The silver alloy’s high thermal and electrical conductivity is mirrored in its optical reflectivity, providing a visual impact superior to many white gold alloys. It coordinates perfectly with high-polished new platinum pendants.
4. Dimensional & Ergonomic Data
| Metric | Data Point | Technical Implication |
|---|---|---|
| Gross Weight | 31.00g | High inertia; sits securely on wrist |
| Internal Diameter | Standard | Fits average hand circumference |
| Cross-Section Type | D-Shape/Solid | Comfort-fit interior edge |
Table 4 Analysis: A 31g weight class provides a "reassuring" presence. In terms of ergonomics, the solid construction allows for the inner edge to be smoothed to a comfort-fit radius, reducing friction against the skin compared to lightweight, stamped second-hand silver bracelets.
5. Restoration & Workshop Verification
| Audit Step | Methodology | Result |
|---|---|---|
| Surface Cleansing | Ultrasonic 42kHz | Removal of all biological/organic residue |
| Integrity Check | Visual Stress Test | No hairline fractures detected |
| Purity Test | Acid/XRF Diagnostic | Confirmed 92.5% Ag minimum |
Table 5 Analysis: Every pre-loved asset undergoes a forensic cleaning process. We ensure that the 31g of silver is medically clean and structurally sound before it is released, maintaining the standards we apply to our second-hand gold bracelets.
6. Asset Value & Commodity Retention
| Factor | Vintage Heavyweight | Modern High-Street |
|---|---|---|
| Silver Mass | 31.00g | Average 8g - 12g |
| Manufacturing | Solid Forged/Cast | Mass-Produced Hollow |
| Longevity | Generational | Temporary/Fashion-based |
Table 6 Analysis: From a technical investment perspective, the high silver-to-price ratio of this 31g bangle makes it a superior asset. It holds its value as a commodity far better than lightweight new silver chains which rely heavily on retail markups rather than metal weight.
7. Comparative Authority Analysis
| Technical Metric | H.E. Phillips Ltd Standard | Online Marketplace Average |
|---|---|---|
| Weight Accuracy | Calibrated ± 0.01g | Rounded Estimates |
| Provenance | Verified Totnes Workshop | Unknown/Unregulated |
| Aftercare | Lifetime Maintenance Advice | No Post-Sale Support |
Table 7 Analysis: Since 2000, we have prioritized technical transparency. This 31g bangle is not just a jewelry item but a verified metallurgical specimen, backed by the same expertise we use to assess pre-loved gold bangles and high-end timepieces.
20 Technical FAQs: Engineering & Asset Management
Metallurgical & Material Science
1. What does the "925" mark technically signify?
The 925 designation indicates that the alloy consists of 925 parts per 1000 of pure silver. The remaining 75 parts are typically copper. This specific ratio is technically optimized to provide the best balance between the white lustre of silver and the structural hardness required for a wearable 31g bangle.
2. Is 31g considered "Heavyweight" for a silver bangle?
Yes. In the jewelry industry, most standard ladies' bangles range from 10g to 15g. A 31g bangle is more than double the standard weight, placing it in the "Heavyweight" or "Investment" category, which offers significantly higher resistance to warping and mechanical stress.
3. Why is copper used in the 925 silver alloy?
Pure silver is too soft (Mohs 2.5) to maintain the shape of a solid bangle. Copper increases the tensile strength and hardness of the metal without significantly altering the characteristic bright white color of the silver, ensuring the 31g mass remains rigid over time.
4. Can 925 silver cause skin reactions?
925 sterling silver is generally considered hypoallergenic. Most skin reactions are caused by nickel, which is not present in high-quality 925 silver alloys. As a solid 31g piece, it does not have any plating that can wear off and expose reactive base metals.
Structural Integrity & Design
5. What is the benefit of a "Slave" style bangle?
The slave design is a continuous loop. Technically, this is the strongest jewelry form because it lacks a hinge, clasp, or pin—all of which are common mechanical failure points. The 31g solid core ensures that the loop remains symmetrical even under pressure.
6. Is the bangle hollow or solid?
This item is a solid construction. It is formed from a solid bar of sterling silver, not a hollow tube. This is a critical distinction, as solid bangles do not dent and can be polished or engraved deeply without breaching the metal wall.
7. Can this 31g bangle be resized?
Yes, because it is solid 925 silver, a master silversmith can cut, resize, and solder the bangle. Unlike hollow or plated items, the resulting join is a metallurgical bond that, when polished, becomes invisible and maintains the item's 31g value.
8. How does weight affect the "Drape" of the bangle?
The 31g mass provides high inertia. This means the bangle will sit lower on the wrist and move with more deliberate momentum compared to lighter pieces. It feels substantial and stays in place better than hollow second-hand silver bangles.
Environment & Maintenance
9. Why does silver tarnish in coastal areas like Totnes?
Silver reacts with sulfur compounds in the air (hydrogen sulfide) to create silver sulfide, a black tarnish. Maritime environments often have higher concentrations of these compounds. However, a 31g solid bangle is easily restored to its original shine with a simple polishing cloth.
10. Is it safe to wear this bangle in the shower?
While water doesn't damage 925 silver, chemicals in soaps and shampoos can accelerate tarnish or leave a film on the mirror finish. We recommend removal to maintain the specular reflectivity achieved by our workshop restoration.
11. How should I store a heavyweight silver asset?
Store it in a cool, dry place, ideally in an airtight container or a tarnish-resistant pouch. This limits the metal's exposure to oxygen and moisture, preserving the professional mirror polish for longer periods.
12. Can I use chemical dips to clean the bangle?
We advise against frequent use of liquid chemical dips. These can be aggressive and may "etch" the surface over time. A dual-layered silver polishing cloth is the technically preferred method for maintaining solid 31g pieces.
Provenance & Verification
13. How is the 31g weight verified?
We use laboratory-grade electronic scales calibrated to ± 0.01g. This ensures that the 31g weight stated is an accurate forensic measurement of the metal mass you are acquiring, providing transparency for your investment.
14. Why buy pre-loved silver instead of new?
Pre-loved silver often features superior "gauge" (thickness) compared to modern mass-produced items. Additionally, it is a sustainable choice, as it requires no new mining. You are acquiring 31g of high-quality metal with a lower environmental footprint.
15. What is the significance of the SKU 2H925-157?
This is our internal asset tracking number. It ensures that the specific 31g specimen you see described is the exact one you receive, with its unique vintage characteristics and hallmarking details verified by our team.
16. Is the hallmark easy to read?
The hallmarks on vintage pieces are often deep-struck. We inspect these under 10x magnification to ensure the 925 standard is clear. This provides legal and technical assurance of the bangle's purity and origin.
Coordination & Style Engineering
17. Can I stack this with a luxury watch?
Absolutely. The 31g solid silver bangle pairs exceptionally well with stainless steel timepieces. We recommend matching it with a Citizen Eco-Drive for a cohesive, technical, and durable daily ensemble.
18. Does silver coordinate with gold jewellery?
Mixing metals is a modern standard. The bright white of the 925 silver provides a sharp contrast to new gold rings, creating a tiered aesthetic that highlights the different metallurgical properties of each piece.
19. Is this bangle suitable for engraving?
Yes. The 31g solid construction provides a deep "metal bed," making it ideal for both hand and laser engraving. Unlike hollow bangles, there is no risk of the engraver breaking through to the center of the piece.
20. What is the lifespan of a solid silver bangle?
A solid 31g sterling silver bangle has a multi-generational lifespan. Because it is solid metal throughout, it does not "wear out." With basic maintenance and occasional professional polishing, it will remain a functional asset for centuries.
© 2026 H.E. Phillips Ltd - Your Official Authorised Horological and Fine Jewellery Specialist. All Technical Data verified for forensic accuracy.
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