Deep blue meets midnight black. This blue sapphire, black onyx & fire opal couples ring set pairs an emerald-cut sapphire framed in onyx for her with a tungsten band flecked in blue fire opal and onyx for him — a bold, low-key gothic his-and-hers pairing for couples who want their rings to feel like a statement, not a default.
Emerald-cut lab blue sapphire
Black onyx & blue fire opal
September birthstone
Sterling silver + tungsten
His & hers
Two rings, one love story
Some couples reach for softness; others are drawn to contrast and drama. This set is for the second kind. Her onyx-framed sapphire and his opal-and-onyx band are designed to be worn together — one of the moodiest, most striking pairings in our dark romance couple rings — yet each stands beautifully on its own as an engagement ring, a wedding band, or a promise ring. If you are still comparing styles, our guide to the best matching rings for couples in 2026 is a lovely place to start.
Her Ring
Solid 925 sterling silver in a bright rhodium finish, centered on an emerald-cut lab-grown blue sapphire (approx. 8 x 6 mm, 1.4 ct) flanked by black onyx and brilliant simulated-diamond accents. Slim 1.7 mm band.
His Ring
An 8 mm comfort-fit tungsten carbide band inlaid with crushed blue fire opal and black onyx — deep, glowing, and quietly bold.
The emerald-cut blue sapphire
Her center is a lab-grown blue sapphire — real sapphire, grown in a lab and identical to a mined stone, cut in an elegant, art-deco emerald shape. As the September birthstone and a centuries-old emblem of loyalty and enduring love, sapphire has a story worth knowing; you can read it in our sapphire meaning guide. Framing it, black onyx forms deep as far back as volcanic rock, prized for its steadying, grounding presence — more on that in our black onyx meaning guide.
The blue fire opal men's band
His 8 mm tungsten band carries a channel of crushed blue fire opal streaked with black onyx, so the surface catches light with a soft inner glow. Set into scratch-resistant tungsten carbide, it is built for a lifetime of everyday wear. Opal lovers can explore more glowing options in our fire opal ring guide or across our opal couples rings.
Metals & everyday wear
Her ring is solid 925 sterling silver finished in rhodium for a crisp, white-gold look; his is tungsten carbide, one of the hardest, most scratch-resistant metals in fine jewelry, with a comfort-fit interior. Both are hypoallergenic and nickel-free, and her ring can be upgraded to solid gold on request.
Specifications
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Set Two-piece his & hers couples ring set
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Her metal Solid 925 sterling silver, rhodium finish
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Center stone Lab-grown blue sapphire, emerald cut, approx. 8 x 6 mm (1.4 ct)
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Accents Black onyx & simulated diamond (cubic zirconia)
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His metal Tungsten carbide, comfort fit
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His inlay Crushed blue fire opal & black onyx
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Band widths 8 mm (his) · 1.7 mm (hers)
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Birthstone September (sapphire)
Sizing & care
Each ring is made to order in your exact sizes, so the pair arrives fitted to the two of you. Wipe clean with a soft cloth and store dry. Every order arrives in a free luxury velvet ring box with free U.S. shipping, conflict-free stones, and a lifetime warranty — ready to gift or propose with the moment it lands. Prefer a matching set? Each ring is also available separately.
Frequently asked questions
Is this sold as a matching set?
Yes — it is a two-piece his & hers couples set, and each ring can also be purchased separately.
Is the sapphire real?
Yes — her center is a lab-grown blue sapphire, real sapphire grown in a lab and chemically identical to a mined stone. The accents are black onyx and simulated diamonds (cubic zirconia).
What is an emerald cut?
A rectangular step-cut with clipped corners and long, clean facets — an elegant, art-deco-friendly shape.
Is sapphire a birthstone?
Yes — sapphire is the September birthstone, which makes this set a meaningful September birthday, engagement, or anniversary gift.
What is on the men's band?
His 8 mm tungsten band carries crushed blue fire opal and black onyx, for a deep, glowing effect.
What are the accent stones?
Black onyx framing the center, with sparkling simulated diamonds (cubic zirconia).
What metals are used?
Her ring is solid 925 sterling silver with a rhodium finish; his is tungsten carbide. Both are hypoallergenic and nickel-free, and her ring can be made in solid gold on request.
Is this good for an art-deco or gothic wedding?
Yes — the emerald cut and black onyx make it a favorite for art-deco, gothic, and alternative weddings, engagements, and promise rings.
What are the band widths?
Her band is 1.7 mm and his band is 8 mm.
What comes with my order?
A free luxury velvet ring box, free U.S. shipping, conflict-free stones, and a lifetime warranty.
