



Fossil | Black High Polish Fire Opal Simulant Inlay Tungsten Carbide | Men's Ring
Fossil | Black High Polish Fire Opal Simulant Inlay Tungsten Carbide
The Fossil ring is a masterclass in modern artisanal craftsmanship, seamlessly merging industrial power with vibrant organic character. Expertly forged from high-density tungsten carbide, this 4mm band showcases a sleek flat profile with polished, slightly bevelled edges framing a captivating iridescent fire opal simulant inlay. Engineered for comfortable all-day wear, the smooth inner contour offers an weightless feel against the skin. Its scratch-resistant construction ensures its exceptional durability and premium appearance remain pristine through daily wear, making it a profound and lasting choice for an engagement, wedding band, or milestone anniversary celebration.
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Material: Tungsten Carbide
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Design: Opal Simulant Inlay
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Width: 4mm
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Hypoallergenic: Yes
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Scratch Resistant: Yes
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Tarnish Resistant: Yes
Why Tungsten Rings
Tungsten carbide sits among the hardest materials ever used in ring-making — ranked approximately 9 on the Mohs hardness scale and roughly ten times harder than 18K gold. For a ring with specific surface details, that hardness matters: conventional metals would soften and scratch away those details over time, but tungsten holds every facet and edge precisely as it left the workshop. Daily wear that would visibly degrade a gold or silver band simply does not register on tungsten carbide.
The finish durability is equally worth noting. The IP black coating bonds at a molecular level rather than sitting as a surface layer, meaning the dark tone resists fading through sweat, water, and friction in a way that standard black-plated rings cannot match. Tungsten carbide is also naturally waterproof and tarnish-resistant — there is no chemical reaction with moisture, no darkening from skin contact, no gradual loss of colour. For Singapore's climate in particular, that corrosion resistance is not a luxury feature but a practical one. Tungsten carbide is four times harder than titanium and twice as hard as steel, 10 times harder than gold.
Care Instructions
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Gently clean the surface with a soft microfiber cloth to remove standard smudges and oil buildup.
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Use a mild mixture of warm water and liquid soap for regular cleaning, rinsing thoroughly and drying with a soft towel.
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Avoid exposing the ring to harsh industrial chemicals, bleaching agents, or abrasive ultrasonic cleaners.
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Keep the band stored in an individual fabric pouch or a separate section of your jewellery box to prevent its ultra-hard surface from inadvertently abrading softer precious metals.
Shipping information
Singapore
Inventory is replenished on a regular basis. Orders for readily available items are usually delivered within 3 working days. Otherwise, it is usually fulfilled within the same week or the week after.
Delivery Options:
Express: 2 to 3 working days
Standard: 5 to 12 working days
Same Day: Within 24 hours
International
Worldwide Shipping: Estimated 5 to 14 working days*
- Unless another option is indicated, products will be shipped using our standard delivery service.
- Personalised items / engraving may extend the delivery timeframe by approximately 1 to 2 working days.
- Same-day orders that include engraving can generally still be prepared and delivered within the day.
- The delivery periods shown are estimated timeframes supplied by our courier partners. Once an order has been dispatched, courier-related delays may be outside our control.
- Extra time may occasionally be needed during high-demand periods or when orders involve incoming stock, customisation or production work.
Taxes & Duties: Any customs charges, import duties or taxes imposed on an international shipment will be payable by the recipient. Tracking information is provided for every delivery. Please confirm your shipping address carefully before checkout, as changes cannot be made once the order has been submitted.
King.com.sg will always make every reasonable effort to ensure your order is processed efficiently and to keep any delivery disruptions to a minimum.

Fossil | Black High Polish Fire Opal Simulant Inlay Tungsten Carbide | Men's Ring

