Product Descriptions
A moss agate ring set in solid rose gold, built around a coffin-cut center stone. The natural green moss agate measures 7.0 x 11.0 mm — approximately 1.7 carats — and is paired with a contoured wedding band shaped to follow the stone’s angular silhouette. Sold as a two-piece set.
What you receive
The Engagement Ring
Coffin-cut natural moss agate, 7.0 x 11.0 mm, approximately 1.7 ct, in a geometric rose gold setting with moissanite accents.
1.7 mm band.
The Contoured Band
A rose gold band shaped to nest against the angled base of the center stone rather than sitting flat against it.
Removes the gap a straight band would leave.
Why a contoured band matters here
A straight wedding band placed against a pointed or angular engagement ring leaves a visible wedge of space. On a round solitaire that gap is small. On a coffin cut, where the stone terminates in a point, it is pronounced enough to be the first thing you notice.
A contoured band solves it by curving to trace the outline of the setting, so the two rings read as one continuous piece on the finger. That is why this set is sold as a pair rather than as a ring you later find a band for — the band was cut to this specific silhouette. See the shape family in our curved wedding bands and more matched pairs in wedding ring sets for women.
Coffin cut, kite cut — the same shape
The terms coffin cut and kite cut refer to the same geometric gemstone shape: an elongated hexagon with pointed top and bottom and angled side edges. Which word gets used is a matter of aesthetic context rather than geometry — coffin in gothic and dark-romantic framing, kite in geometric and architectural framing.
Either way, the cut is a step cut with a broad flat table, which is what makes it work on moss agate: the open facet acts as a window onto the inclusions instead of fragmenting them into flashes. Our guide to the best cuts for moss agate compares it against oval, hexagon and emerald, and you can browse the shape in our coffin cut engagement rings.
Rose gold, and a stone that repeats for no one
All three karats are solid rose gold — never plated or gold-filled — so the warm color is permanent and will not wear off or discolor skin. The 10K vs 14K vs 18K guide covers what the karat choice changes in practice.
Moss agate’s green comes from mineral inclusions suspended in translucent chalcedony, not from body color, and those inclusions formed differently in every stone. Yours will share the green character of the moss agate in our photographs while carrying a pattern unique to it. Background in moss agate meaning and our moss agate engagement ring guide.
Specifications
- Center stone Natural moss agate
- Stone shape Coffin cut
- Stone size 7.0 x 11.0 mm
- Carat weight 1.7 ct (approximate)
- Stone hardness 6.5–7 on the Mohs scale
- Metal Solid rose gold — 10K, 14K or 18K
- Accent stones Moissanite
- Set contents Two rings, sold as a set
- Band style Contoured wedding band
- Band width 1.7 mm approximate
- Engraving Complimentary, up to 16 characters
- Sourcing Conflict-free and ethically sourced
- Production Made to order, 2–5 weeks
- Included Free luxury ring box, free USA shipping
Care
Moss agate is 6.5–7 on the Mohs scale — fine for daily wear, but softer than the moissanite set alongside it, so it will mark if it meets something harder. The pointed ends of a coffin cut are also the most exposed part of the stone, so knocks are worth avoiding specifically.
Clean with warm water, mild soap and a soft brush. Never use ultrasonic or steam cleaners — agate is porous and reacts badly to heat and vibration. More in cleaning a moss agate ring safely and is moss agate durable.
Browse more in our moss agate engagement rings and solid gold engagement rings.
Frequently asked questions
How many rings come in the set?
Two — the coffin cut moss agate engagement ring and its matched contoured wedding band, sold together at one price.
Is a coffin cut the same as a kite cut?
Yes. Both describe an elongated hexagon with pointed ends and angled sides. Coffin is used in gothic contexts, kite in geometric ones, but the shape is identical.
What is a contoured band?
A band curved to follow the outline of the engagement ring’s setting, so the two nest together without leaving a gap. It was cut specifically for this silhouette.
Is the moss agate natural?
Yes. Natural moss agate, mined and cut — not lab-created and not simulated.
How big is the center stone?
7.0 x 11.0 mm, approximately 1.7 carats.
What are the accent stones?
Moissanite — a lab-grown gemstone rather than a diamond simulant. It is exceptionally brilliant and hard enough for everyday wear.
Will my stone look like the photographs?
It will share the same green character and translucency, but every moss agate has its own inclusion pattern. Yours will be one of a kind.
Is this solid gold or plated?
Solid rose gold throughout in your chosen karat — never plated or gold-filled. The rose color is permanent and will not turn your skin green.
Which karat should I choose?
10K is the most durable and most affordable. 14K is the classic balance of warmth and strength. 18K carries the highest gold content for the richest color.
Can I get this in yellow or white gold?
Yes, on request. Rose gold is the standard for this design — contact us for a quote on other colors.
Can I wear the bands separately?
Yes. The contoured band is designed to nest with the engagement ring but is a complete ring in its own right.
How long does production take?
This set is made to order. Please allow 2–5 weeks. Requested modifications may extend that timeline.

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