Size Guide
Between sizes? Size up.
Match the inner diameter of a ring you already wear. Between sizes, size up.
Cuffs are one size and gently adjust.
Best for pendants: 50 cm.
- Water & Sweat-Proof
- Hypoallergenic
- 30 Day Guarantee
Description
Description
A men's signet ring with an elongated bar of black onyx set in polished steel — clean contrast, everyday weight.
- Polished stainless steel with a black onyx inlay
- Slim elongated bar face
- Tarnish- and water-resistant
Composition & Care
Composition & Care
Material: 316L stainless steel
Finish: Polished 316L stainless steel
Properties: Tarnish-resistant · water-safe · hypoallergenic
Wipe with a soft, dry cloth. Safe to wear in water — rinse and dry occasionally. Avoid perfumes, lotions, and abrasive cleaners. Store flat, away from other pieces.
Shipping & return
Shipping & return
Free worldwide shipping on orders over $80, fully tracked.
Easy 30-day returns, unworn and in original packaging.
Size & Fit
Size & Fit
A solid 316L steel signet topped with a long onyx-black bar that runs the length of the finger. It sits flat and wears heavy in the right way, with no edges to catch. Find your size on the chart below, then leave it on — shower, gym and ocean safe, and it never fades or marks your skin.

Not sure of your size? Measure the inside diameter of a ring you already wear and match it to the chart.

MODERN ESSENTIAL
About This Piece
A men's signet built for everyday wear, solid weight, clean contrast, balanced on the hand. Wears solo or stacked, and earns its place without shouting.
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Free Worldwide Shipping
Free on orders over $80, fully tracked.
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Easy 30-Day Returns
Hassle-free returns within 30 days, unworn and in original packaging.
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Trusted by Modern Men
10K+ Happy Customers
Pieces Chosen by Modern Men.
Consistency You Can Feel
We focus on long-term wear, everyday comfort, and pieces that become part of your daily routine.
100%
Designed for everyday confidence and real-life wear.
76%
Customers feel more confident wearing 887Seven.
72%
Return customers who come back for more.