Two channels of crushed stone run the full circumference of an 8mm black tungsten carbide band: natural aquamarine on one side, iridescent pearl on the other, divided by a single polished rail. Low dome profile, comfort-fit interior. Sizes 7 to 13.
Crushed Natural AquamarineCrushed PearlPolished Black Tungsten8 mm Dome ProfileComfort FitSizes 7–13
Two Stones, One Band
Sea and Shell
One channel is teal-blue aquamarine, the other is white pearl with a blue and lilac sheen. Side by side they read as water and the thing that comes out of it.
Split Down the Middle
A narrow rail of polished black tungsten separates the two inlays, so each keeps its own color instead of blending into one stripe.
Still a Working Band
Everything sits flush under polished resin. Nothing is raised, nothing is prong-set, and the low dome keeps it close to the finger.
The Aquamarine and the Pearl
The blue channel is natural aquamarine, the blue variety of beryl and the same mineral family as emerald, crushed into small angular pieces that catch light on every broken face. Crushed, the stone reads deeper and more teal than a faceted aquamarine does. It is the March birthstone; our aquamarine guide covers the stone in full and what aquamarine means covers the symbolism.
The second channel is crushed pearl: flat, pale flakes with the soft blue-to-lilac sheen that pearl is known for, which shifts as the hand turns. Pearl is the June birthstone. Both inlays are packed into their channels, set in clear resin, then ground flush and polished level with the metal. The pieces settle where they fall, so the pattern in your band is unique.
Polished Black Tungsten
The band is tungsten carbide with a black finish bonded into the metal rather than painted on, polished to a mirror. The two rails are narrow, so the black works as a frame rather than a field, and the mirror finish picks up the color of both inlays at the edges. Our guide to black wedding band meaning covers what the color has come to stand for, and gothic rings for men maps the wider style.
A mirror polish shows fingerprints more readily than a brushed finish does; tungsten's hardness keeps the marks shallow, and a wipe removes them.
Why Tungsten
Tungsten carbide sits around 8.5–9 on the Mohs scale, several times harder than gold or titanium, so the finish still looks like this after years of daily work where a precious-metal band would have gone soft with scratches. It is also heavy in the hand, which most people read as quality.
The trade-off is worth knowing before you buy: tungsten cannot be resized, and it cannot be bent. Under enough force it fractures rather than deforming. That is also a safety feature, since a tungsten ring can be cracked off in an emergency in seconds. Our guides to tungsten wedding bands, whether tungsten rings scratch and titanium versus tungsten go deeper.
Sizing
Sizes 7 through 13, including every half size. Tungsten cannot be resized, so ordering the right size matters more here than on a silver or gold band. Comfort fit means the inside of the band is domed rather than flat, which makes it slide on more easily; many people find they need a quarter to a half size smaller than in a standard-fit ring. If you are between sizes, size down rather than up. Our wedding band width guide shows what 8 mm looks like on the hand, and can tungsten rings be resized or cut off answers the question in full.
Browse the rest of our men's rings and wedding bands, men's black rings, tungsten rings, aquamarine wedding bands and March birthstone jewelry. If you are choosing it as an engagement ring rather than a wedding band, how to choose a men's engagement ring is the place to start.
Specifications
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Inlay: Crushed natural aquamarine and crushed pearl in two channels, set in clear resin, full circumference
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Metal: Tungsten carbide, black finish
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Width: 8 mm
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Profile: Dome, comfort fit interior
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Finish: Polished
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Hardness: 8.5–9 on the Mohs scale (tungsten carbide); inlays resin-sealed
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Sizes: 7 to 13, including half sizes
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Resizing: Not possible, tungsten cannot be resized
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Engraving: Available, up to 25 characters
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Availability: Ready to ship
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Presentation: Free luxury velvet jewelry box
Care
Wipe with a soft, damp cloth and dry. A mirror-polished black band shows fingerprints, so a quick wipe is the whole routine; skip polishing compounds and silver cloths, which are abrasive and will dull the black and scratch the resin over the inlay. Keep it out of chlorinated pools and away from bleach and solvents. Take it off for heavy lifting: tungsten resists scratches, but a hard impact against concrete or steel can crack it. Never use an ultrasonic cleaner on an inlay ring. Our guide to cleaning jewelry at home covers the rest.
Frequently Asked Questions
Is the aquamarine real?
Yes. It is natural aquamarine, the blue variety of beryl, crushed and set under clear resin. It is not glass and not dyed resin.
Is the pearl real?
Yes. The white channel is crushed natural pearl, which is where the soft blue and lilac sheen comes from.
Will the inlay look exactly like the photo?
Close, but not identical. The pieces settle differently in every band, so the density and the size of individual flakes vary. The width, the finish and the two channels are the same on every ring.
Why is the aquamarine darker than a faceted aquamarine?
Crushed stone is packed densely against a black band, so it reads deeper and more teal than a single pale faceted stone would.
Can it be resized?
No. Tungsten carbide cannot be resized. The material is far too hard to stretch or cut and rejoin. Order carefully, and size down rather than up if you are between sizes.
What does comfort fit mean?
The inside of the band is gently domed instead of flat, so less surface touches your finger. It slides on more easily and runs slightly large, so many people take a quarter to a half size smaller.
Will the black wear off?
The black is bonded into the tungsten carbide rather than painted on, so it does not chip or flake. Keep it away from abrasive polishes, which are the one thing that dulls a polished black finish.
Will it scratch?
Barely. Tungsten carbide is 8.5 to 9 on the Mohs scale, harder than steel and several times harder than gold. A polished surface shows fingerprints and very fine marks, which wipe off; deep scratches are unlikely.
Can it crack?
Yes, under a hard enough impact. Tungsten is hard rather than tough, so it fractures instead of bending. That also means the ring can be removed in an emergency in seconds.
Is it safe for sensitive skin?
Yes. Tungsten carbide is hypoallergenic and contains no nickel.
Is this only for men?
No. It is listed as a men's band because 8mm is a width most men choose, but plenty of people wear a wide band regardless of gender. Sizes start at 7.
Are aquamarine and pearl birthstones?
Yes. Aquamarine is the March birthstone and pearl is the June birthstone, which makes the band a natural choice for a couple or a parent and child born in those months.
Can I wear it in water?
Everyday water and hand-washing are fine; both inlays are sealed under resin. Take it off for chlorinated pools and cleaning products, which attack the resin over time.
Can I have it engraved?
Yes. Engraving is available on the inner band, up to 25 characters, added as an option at checkout.
