A love story written in the stars. This three-piece Orion Nebula & tanzanite couples ring set pairs his black tungsten band — glowing with the swirling colors of the Orion Nebula in crushed purple fire opal — with her blackened-silver ring cradling a violet-blue coffin-cut tanzanite beside a slim matching band. A cosmic, modern-gothic pairing for couples whose love feels a little written in the heavens.
Orion Nebula design
Coffin-cut tanzanite
His & hers 3-piece set
Black tungsten & ruthenium silver
December birthstone
Made to order
Three rings, one cosmos
Some couples are dreamers who watch the night sky and see their whole story up there. His Orion Nebula band and her tanzanite statement ring with its slim matching band are designed to be worn together — a coordinated, deep-space look among the most romantic pairings in our celestial couple rings — yet each stands beautifully on its own as an engagement ring, a wedding band, or an anniversary gift. If you are still choosing, our guide to the best matching rings for couples in 2026 is a lovely place to begin.
His Ring
An 8 mm comfort-fit black tungsten carbide band with our signature Orion Nebula inlay of crushed purple fire opal — rugged, scratch-resistant, and quietly spectacular.
Her Rings
Black ruthenium finish over solid 925 sterling silver, cradling a hexagon coffin-cut violet-blue tanzanite (approx. 7.0 x 11.0 mm, ~1.7 ct) with brilliant cubic-zirconia accents, plus a slim ~1.7 mm matching band.
The tanzanite in a coffin cut
Her center glows with the violet-blue that tanzanite is famous for, cut into a striking hexagon coffin shape for a bold, gothic-romantic edge. Tanzanite is the December birthstone, which makes this set a meaningful gift for a winter-born partner or a milestone that falls at year's end.
His Orion Nebula band
His band is our signature Orion Nebula design: a channel of crushed purple fire opal set into black tungsten carbide, so the surface glows like a nebula caught in metal. Opal lovers can explore more glowing options in our fire opal engagement rings guide.
Metals & everyday wear
His ring is black tungsten carbide, one of the hardest, most scratch-resistant metals in fine jewelry, with a comfort-fit interior. Her rings are solid 925 sterling silver finished in black ruthenium — a platinum-family plating that lends a rich, dark, blackened-silver luster. Both are hypoallergenic and nickel-free, and her rings can be upgraded to solid gold on request. Explore more moody designs in our dark romance couple rings.
Specifications
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Set Three-piece his & hers couples ring set
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His metal Black tungsten carbide, comfort fit
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His inlay Orion Nebula crushed purple fire opal
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Center stone Tanzanite, hexagon coffin cut, approx. 7.0 x 11.0 mm (~1.7 ct)
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Accents Cubic zirconia
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Her metal Solid 925 sterling silver, black ruthenium finish
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Band widths 8 mm (his) · ~1.7 mm (her matching band)
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Birthstone December (tanzanite)
Sizing & care
Each ring is made to order in your exact sizes, so your set is crafted just for the two of you. Keep the blackened-silver finish looking its best by wiping it gently with a soft cloth. 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. Her rings can be crafted as a solid-gold upgrade on request.
Further reading from our journal
If you love the story behind the stones, our journal goes deeper: read fantasy-inspired rings for couples, the guide to blue gemstones, and the history of gemstones.
Frequently asked questions
Is this sold as a matching set?
Yes — it is a three-piece his & hers set: his Orion Nebula band plus her tanzanite statement ring and slim matching band.
What is the center stone?
Her center is a violet-blue tanzanite in a hexagon coffin cut, chosen for its rich color and clarity, framed by cubic-zirconia accents.
Is tanzanite a birthstone?
Yes — tanzanite is the December birthstone, which makes this set a thoughtful December birthday, engagement, or year-end anniversary gift.
What is on the men's band?
His 8 mm black tungsten band carries our Orion Nebula inlay of crushed purple fire opal, for a glowing, deep-space effect.
What does the black ruthenium finish look like?
Black ruthenium is a platinum-family finish over solid sterling silver that gives a rich, dark, blackened-silver luster — moody and elegant.
What is the coffin cut?
It is an elongated hexagon shape with pointed ends, giving the tanzanite a bold, modern, gothic-romantic silhouette.
What metals are used?
His is black tungsten carbide; her rings are solid 925 sterling silver with a black ruthenium finish. Both are hypoallergenic and nickel-free, and her rings can be made in solid gold on request.
What are the band widths?
His band is 8 mm and her matching band is about 1.7 mm.
What comes with my order?
A free luxury velvet ring box, free U.S. shipping, conflict-free stones, and a lifetime warranty.
