TRANQUIL | Polished Black Tungsten Blue Fire-Opal Beveled Wedding Ring — 8mm
The TRANQUIL is a handcrafted tungsten carbide men's wedding band, 8mm wide, with a polished black tungsten body carrying a synthetic blue fire-opal inlay across the center that shifts through cobalt, teal, and silver fire, flanked by polished black beveled edges. Built comfort-fit, inside-laser-engravable, and backed by our lifetime warranty.
The Metal
Tungsten carbide is the hardest wedding-band metal made - roughly 4× harder than titanium and 10× harder than 18k gold. That's not marketing language; it's a measurable Mohs hardness of 8.5-9. In practical terms: this band will not scratch from keys, tools, gym equipment, or daily contact with desks, steering wheels, or phone cases. It will look the same in five years as it looks the day you open the box.
The black tone on the TRANQUIL is a PVD (physical vapor deposition) finish bonded to the tungsten core at the molecular level - not paint or plating. It won't peel, strip, or wear through. The metal is fully hypoallergenic and nickel-free. The body and beveled edges are mirror-polished and the blue fire-opal is set flush across the center.
Blue Fire-Opal on Polished Black With Beveled Edges
Synthetic blue fire-opal shifts through deep ocean cobalt, teal, and occasional flashes of silver and gold fire. On the TRANQUIL, that cool-blue fire is framed by mirror-polished black tungsten beveled edges - the darkness of the body lets the opal's color work cleanly without competing background tones.
The result reads calm and grounded - not loud. The blue fire appears only when light catches the stone at certain angles; the rest of the time the ring reads as a dark band with a subtle cool stripe. It's a ring designed for men who want a color accent that reveals itself on close inspection rather than shouts across a room.
Who It's For
The TRANQUIL is for the man drawn to ocean and sky palettes - cobalt, teal, deep blue. If you wear dark everyday but want one cool-tone piece of living color in your jewelry, this is the band.
Key Features
- Tungsten carbide construction - 4× harder than titanium, 10× harder than 18k gold, scratch-resistant for daily wear
- Hypoallergenic - nickel-free, safe for sensitive skin
- Synthetic blue fire-opal inlay on polished black tungsten with polished black beveled edges - cool living fire on a calm dark body
- 8mm width with smooth beveled profile
- Comfort-fit interior - rounded inside for all-day wear
- Free inside laser engraving - up to 30 characters, any font
- Lifetime warranty + replacement sizing program - defect coverage and a replacement ring if your finger size changes (see warranty page)
- Ring sizes 7 - 15 (including half sizes)
Original: $169.00
-65%$169.00
$59.15Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
The TRANQUIL is a handcrafted tungsten carbide men's wedding band, 8mm wide, with a polished black tungsten body carrying a synthetic blue fire-opal inlay across the center that shifts through cobalt, teal, and silver fire, flanked by polished black beveled edges. Built comfort-fit, inside-laser-engravable, and backed by our lifetime warranty.
The Metal
Tungsten carbide is the hardest wedding-band metal made - roughly 4× harder than titanium and 10× harder than 18k gold. That's not marketing language; it's a measurable Mohs hardness of 8.5-9. In practical terms: this band will not scratch from keys, tools, gym equipment, or daily contact with desks, steering wheels, or phone cases. It will look the same in five years as it looks the day you open the box.
The black tone on the TRANQUIL is a PVD (physical vapor deposition) finish bonded to the tungsten core at the molecular level - not paint or plating. It won't peel, strip, or wear through. The metal is fully hypoallergenic and nickel-free. The body and beveled edges are mirror-polished and the blue fire-opal is set flush across the center.
Blue Fire-Opal on Polished Black With Beveled Edges
Synthetic blue fire-opal shifts through deep ocean cobalt, teal, and occasional flashes of silver and gold fire. On the TRANQUIL, that cool-blue fire is framed by mirror-polished black tungsten beveled edges - the darkness of the body lets the opal's color work cleanly without competing background tones.
The result reads calm and grounded - not loud. The blue fire appears only when light catches the stone at certain angles; the rest of the time the ring reads as a dark band with a subtle cool stripe. It's a ring designed for men who want a color accent that reveals itself on close inspection rather than shouts across a room.
Who It's For
The TRANQUIL is for the man drawn to ocean and sky palettes - cobalt, teal, deep blue. If you wear dark everyday but want one cool-tone piece of living color in your jewelry, this is the band.
Key Features
- Tungsten carbide construction - 4× harder than titanium, 10× harder than 18k gold, scratch-resistant for daily wear
- Hypoallergenic - nickel-free, safe for sensitive skin
- Synthetic blue fire-opal inlay on polished black tungsten with polished black beveled edges - cool living fire on a calm dark body
- 8mm width with smooth beveled profile
- Comfort-fit interior - rounded inside for all-day wear
- Free inside laser engraving - up to 30 characters, any font
- Lifetime warranty + replacement sizing program - defect coverage and a replacement ring if your finger size changes (see warranty page)
- Ring sizes 7 - 15 (including half sizes)
