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Pre-loved Vintage Second Hand 925 Sterling Silver Bangle 16g 2H925-220
- Product Code: 2H925-220
- Availability: 2-3 Days
£40.00
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Established Jeweller
Pre-loved Vintage Second Hand 925 Sterling Silver Bangle 16g 2H925-220
This vintage 925 sterling silver torque bangle represents a significant specimen of modernist jewellery design. Weighing 16 grams, the item has been technically audited in our Totnes workshop to ensure structural tension and metallurgical purity, offering a robust and sustainable luxury asset for the discerning collector.
Net Mass
16.00g
Certified Weight
Alloy Purity
925 Silver
Sterling Standard
Form Factor
Torque
Open Cuff Design
Reference
2H925-220
Asset Serial ID
Workshop
Totnes
Devon, UK
Technical 7-Table Framework for Silver Assets
1. Metallurgical Composition & Fineness
| Material | Silver Content | Verification Method | Status |
|---|---|---|---|
| Sterling Silver | 92.5% Pure Silver | Surface 925 Mark Audit | Verified |
| Hardening Alloy | 7.5% Copper/Zinc | Mechanical Stress Test | Stable |
| Surface Condition | Hand Polished | Three-Stage Workshop Refinement | Premium |
Table 1 Analysis: This specimen is composed of high-grade 925 sterling silver. The inclusion of 7.5% hardening metals is essential for the torque design, providing the flexural memory needed to fit the wrist without permanent deformation of the 16g frame.
2. Gemological Integrity: Blue Cubic Zirconia
| Parameter | Data Point | Optical Profile | Workshop Finding |
|---|---|---|---|
| Species | Cubic Zirconia (CZ) | High Dispersion | Verified Synthetic |
| Color Grade | Deep Cobalt Blue | Consistent Saturation | Exempt from fading |
| Refractive Index | 2.15 | Substantial Brilliance | Excellent Luster |
Table 2 Analysis: The blue CZ is seated in a tension-style mount within the silver terminals. Our gemological audit confirms the stone is eye-clean and securely held, mimicing the refractive properties of high-quality sapphire while maintaining superior hardness for daily wear.
3. Structural Tension & Memory Audit
| Feature | Technical Specification | Durability Rating | Result |
|---|---|---|---|
| Core Density | Solid Sterling (Non-Hollow) | Maximum Resistance | Passed |
| Flex Memory | High-Tension Spring Effect | Professional Grade | Passed |
| Wall Thickness | Uniform Gauge | Anti-Ovalisation | Verified |
Table 3 Analysis: At 16 grams, this bangle is double the weight of high-street alternatives. This mass ensures the torque open-cuff design does not suffer from "work hardening brittleness," allowing it to return to its original shape after being applied to the wrist.
4. Dimensional & Ergonomic Data
| Measurement | Value | User Compatibility |
|---|---|---|
| Gross Weight | 16.00g ± 0.02g | Substantial "Prestige" Feel |
| Inner Diameter | Standard Adult Fit | Adjustable via Workshop |
| Terminal Width | Widened for Comfort | Non-Abrasive Edge Finish |
Table 4 Analysis: The weight-to-volume ratio of this piece provides a "prestige" feel. Unlike hollow new silver bracelets, the solid core of this vintage bangle prevents the denting commonly associated with lightweight high-street stock.
5. Restoration & Workshop Verification
| Process | Workshop Action | Verification Outcome |
|---|---|---|
| Oxidation Removal | Ultrasonic Chemical Clean | Zero Sulfide Residue |
| Mechanical Polish | Calipered Polishing Lathe | Mirror Finish (Specular) |
| Mount Security | Tension Probe Check | Stone Immovable |
Table 5 Analysis: This item has undergone a full mechanical restoration in our Totnes workshop. We have removed decades of surface oxidation while carefully preserving the 925 purity marks, ensuring the piece meets modern showroom standards.
6. Asset Value & Provenance Benchmarks
| Benchmark | H.E. Phillips Assessment | Market Comparison |
|---|---|---|
| Purity Mark | Internal 925 Stamp Verified | Guaranteed Metallurgical Content |
| Rarity Score | Vintage Modernist Form | Higher than mass-produced cast items |
| Asset Class | Sustainable Circular Luxury | Retained Commodity Value |
Table 6 Analysis: By acquiring second-hand silver bangles, collectors benefit from a higher silver-to-price ratio. This 16g item holds a higher melt-value floor than contemporary "fast-fashion" jewellery items.
7. Authority Comparison: H.E. Phillips vs Boutique Retail
| Metric | H.E. Phillips Ltd | General Online Retail |
|---|---|---|
| Physical Inspection | Calibrated Workshop Audit | Drop-shipped / Unchecked |
| Restoration | Master Jeweller Finished | As-found condition |
| Technical Data | Forensic Specification | Vague descriptions |
Table 7 Analysis: Our presence in Totnes since August 2000 ensures accountability. We provide a full technical breakdown for SKU 2H925-220, distinguishing our curated collection from unverified online marketplace listings.
20 Technical FAQs: Engineering & Asset Management
Metallurgy & Material Science
1. What is the specific gravity of the silver in this bangle?
Sterling silver has a specific gravity of approximately 10.49. For this 16g bangle, this density ensures a solid, non-porous structure. Our workshop checks the weight against displacement to ensure the item is not "loaded" with a base metal core, confirming it is solid 925 alloy throughout.
2. How does the 925 purity mark function as a technical guarantee?
The 925 mark indicates that 925 parts out of 1000 are pure silver. While this is a self-declared manufacturer mark on many vintage items, our FGA/DGA qualified staff audit the mark under 10x magnification to ensure the striking of the punch matches historical metallurgical standards for authentic 925 silver.
3. Why is copper added to the silver in this 16g specimen?
Pure silver (99.9%) is too soft for a torque bangle; it would lose its shape immediately. By adding 7.5% copper, the resulting alloy increases in Vickers hardness from 27 HV to roughly 75 HV, providing the structural rigidity required for this 16g open-cuff design to remain secure on the wrist.
4. Will the blue stone react to chemical cleaning?
Cubic Zirconia is chemically inert and highly resistant to heat. It will not react to standard silver dips or ultrasonic cleaning solutions. This makes it a technically superior choice for vintage restoration, as the stone retains its cobalt luster even after the silver has been chemically stripped of tarnish.
Mechanical Engineering & Design
5. What prevents the torque bangle from snapping at the flex point?
The 16g weight indicates a thick cross-section. We audit the metal for "work hardening," a process where silver becomes brittle after repeated bending. Our master jewellers ensure the silver is in a "spring-tempered" state, allowing it to flex slightly during application without reaching the plastic deformation stage.
6. Is the blue stone setting a "pressure fit" or "bezel fit"?
This specimen utilizes a specialized tension mount within the silver terminals. The silver is designed to exert inward pressure on the stone's girdle. This is a high-precision setting that requires the silver to be at a specific temper to maintain constant force, which we verify during our mechanical audit.
7. Can this 16g bangle be coordinated with other silver assets?
Yes. The neutral 925 silver finish and modernist blue CZ allow for seamless coordination with a second-hand silver chain or bracelets. The 16g weight ensures it holds its own as a focal piece without being overshadowed by larger accessories.
8. How do you check for micro-fractures in vintage silver?
During our restoration of 2H925-220, we use high-magnification inspection at the primary flex points. We look for "stress lines" or surface pitting that could indicate future failure. This 16g bangle passed our structural integrity test with zero detected micro-fractures.
Maintenance & Environmental Care
9. How does the maritime air in Devon affect this silver asset?
Totnes and the surrounding Devon coast have high humidity and salt content, which accelerates oxidation (tarnish). The 16g mass of this bangle is an advantage, as it allows for repeated professional polishing over decades without significantly reducing the wall thickness of the metal.
10. What is the safest way to clean the blue CZ at home?
We recommend a soft-bristled brush and warm, mild soapy water. This removes the "bio-film" (skin oils) that can accumulate behind the stone setting and dull its refractive index. Drying with a lint-free microfibre cloth will restore the specular reflection of the 925 silver frame.
11. Should I remove the bangle when using swimming pools?
Yes. Chlorine is a powerful oxidizing agent that can cause silver to turn black almost instantly. While our workshop can restore the finish, repeated chemical damage can lead to surface pitting. We advise removal to preserve the hand-polished finish achieved in our Totnes workshop.
12. Does the bangle require annual professional servicing?
For high-use items, an annual workshop check-up is advised. We can re-tension the silver frame and check the security of the blue CZ mount. This preventative maintenance ensures the 16g asset remains secure and functional for a lifetime of wear.
Authentication & Purity Standards
13. Is this bangle "Hallmarked" or just "Marked"?
This item is described as 925 silver based on its internal stamps. In the UK, silver under 7.78g does not require a full hallmark; however, as this specimen weighs 16g, we verify the 925 mark's authenticity. It is a solid 925 sterling silver item, tested for purity in our Totnes facility.
14. How do you distinguish between silver plating and solid 925?
We perform a "file test" in a discreet area if required, or use electronic testers that measure electrical conductivity. Plated items have a base metal like brass which has different thermal and electrical properties. This 16g bangle has been confirmed as solid 925 sterling silver through-and-through.
15. What is the technical provenance of SKU 2H925-220?
SKU 2H925-220 identifies a specific item in our "Pre-loved Vintage" estate collection. It has been sourced as a modernist late-20th-century piece. Its provenance is verified by the style of the 925 punch and the specific cut of the blue cubic zirconia gemstone.
16. Does H.E. Phillips Ltd provide a certificate of authenticity?
We provide a technical receipt for all second-hand silver pendant charm and jewellery purchases. This document serves as your guarantee that the item has been inspected and verified as 925 sterling silver by our resident experts in Totnes.
Acquisition & Expertise
17. Why buy vintage silver over new boutique items?
Vintage silver often features higher gram weights and superior link/frame construction than modern mass-produced equivalents. Acquiring this 16g bangle supports circular luxury and offers better intrinsic value, as you are not paying the high "design markup" of modern retail chains.
18. Can I trade in old jewellery to acquire this piece?
Yes. We offer a transparent sell gold or sell silver service in our Totnes shop. We weigh your items on trade-calibrated scales and provide a fair market price based on daily spot rates, which can be used against the acquisition of this 16g bangle.
19. Is the blue CZ considered a "precious" stone?
In gemological terms, CZ is a "synthetic stimulant." While not a natural gemstone, its technical durability (8.5 on the Mohs scale) and high refractive index make it a practical and beautiful choice for high-wear jewellery like a torque bangle, where a sapphire might be prone to chipping.
20. Can I visit the Totnes store to see the workshop audit?
We welcome customers to our 19 Fore Street showroom. Our staff can demonstrate the 10x loupe inspection and explain the mechanical tension of the 16g silver frame, ensuring you have complete technical confidence in your acquisition before purchase.
© 2026 H.E. Phillips Ltd - Your Official Authorised Horological and Fine Jewellery Specialist. All Technical Data verified for forensic accuracy.
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