Siren Queen Marquise Aquamarine Lotus Engagement Ring in Solid 14K Yellow Gold

Choose your gold: 10K, 14K, or 18K solid yellow gold

This ring is made in solid yellow gold, and you choose the karat from the drop-down: 10K, 14K, or 18K. "Solid gold" means the entire ring is gold alloy throughout, not gold plated or gold filled — there's no sterling silver core, no base metal. Every karat is genuine solid gold; the difference is the proportion of pure gold in the alloy:

• 10K yellow gold — the most durable and most affordable option, with the highest proportion of alloy metals for extra hardness. A great choice for an active, hands-on daily-wear ring.
• 14K yellow gold — the classic balance of gold purity, warm color, and everyday durability, and our most popular default. It's the tone most people picture when they think of yellow gold.
• 18K yellow gold — the highest gold content we offer, with a richer, deeper yellow tone and the greatest intrinsic gold value. Slightly softer than 10K or 14K, so it rewards a little extra care.

The yellow color is permanent: solid gold is the same color all the way through, so it never wears off, never needs re-plating, and won't turn your skin green. Not sure which karat is right for you? Our 10K vs 14K vs 18K karat comparison guide walks through the trade-offs in detail. This design is also available in solid white gold or rose gold in any of these karats — other colors on request; just message us before ordering.

Whichever karat you choose, a solid gold ring is built to last a lifetime. It doesn't wear through and holds resale and inheritance value in a way that lighter constructions don't. This is the version you choose when you want the engagement ring to outlast you — not just for the duration of the marriage, but for generations after.

About the natural aquamarine

The center stone is a natural mined aquamarine — formed underground over millions of years, mined from the earth, then cut and polished into the marquise shape you see here. Aquamarine is a member of the beryl family (the same mineral family as emerald and morganite) with a hardness of 7.5–8 on the Mohs scale and the natural soft blue-aqua tone that gives the gemstone its name ("aqua marina" or "water of the sea" in Latin).

Most natural aquamarine in the fine jewelry market — including the stone in this ring — is heat-treated at low temperatures to deepen the blue tone and eliminate any residual green undertone. This is the industry standard for aquamarine, has been for decades, is entirely permanent and stable, and does not affect the stone's durability or value. The rough material itself is genuine natural aquamarine; the treatment only refines the color toward the preferred sea-blue rather than the slightly greener tone of untreated rough.

Important distinction: natural aquamarine is a different category from lab-grown aquamarine (real aquamarine grown in a lab — also offered in our vermeil version of this design) and from simulated aquamarine (different stone material that looks similar). Natural mined aquamarine is the heirloom-tier center stone — same chemistry as lab-grown, same hardness, but with the inherent value premium of a stone that was mined rather than grown.

About the marquise cut

The marquise (or navette) cut is an elongated oval with pointed ends — one of the oldest fancy stone shapes in jewelry, dating to the 18th century and originally cut for Louis XV. Worn vertically as set here, the marquise elongates the finger visually and gives the stone more upright presence than a round or oval cut of the same carat weight would. The pointed ends echo the lotus petal shapes that frame the setting, creating a unified botanical silhouette across the entire ring.

About the moissanite accents

The small accent stones tucked into the points of the lotus framework are moissanite — silicon carbide, originally discovered in meteorite fragments and now grown in laboratories for jewelry use. Moissanite has a hardness of 9.25 on the Mohs scale (between sapphire at 9 and diamond at 10), excellent durability for daily wear, and a refractive index slightly higher than diamond, giving it more fire (rainbow flash) than a similarly sized diamond.

Important distinction: moissanite is not a diamond, not a simulated diamond, and not a lab-grown diamond. It's its own distinct gemstone — real moissanite with its own optical and physical properties. It's the most popular non-diamond engagement ring stone because of how closely it resembles diamond visually (often more brilliant) and how dramatically more accessible it is at scale. We use it on this solid gold tier because it pairs the heirloom positioning of solid gold with accent stones that hold up genuinely well over a lifetime of daily wear.

If you're curious how the center stone and the sparkle stack up against the alternatives, our guide on how aquamarine compares to moissanite breaks down look, sparkle, budget, and durability side by side. If you'd prefer the same design with lab-grown diamond or natural diamond accents instead of moissanite, message us before ordering for a custom quote.

About the Celtic knot vine band

Both shoulders of the band carry open metalwork in a Celtic knot pattern flowing into a twisted vine that wraps toward the center setting. The Celtic knot is one of the oldest decorative motifs in jewelry — interwoven strands that loop back on themselves with no beginning or end, traditionally read as a symbol of eternity, continuity, and unbroken love. It's been used in Celtic engagement and wedding jewelry for over a thousand years.

The twisted vine layered into the design adds the nature-inspired/fairycore character — the band reads less like architectural metalwork and more like vines growing wild around the central flower. In solid yellow gold, the Celtic knot openwork reads with more substantial weight and presence than the same pattern in vermeil — the metal's density gives the open scrollwork a fuller, heirloom feel on the finger.

About the lotus and butterfly framework

The setting frame around the center aquamarine is built from sculpted yellow-gold scrollwork that reads as a lotus flower in profile — petal-shaped metalwork at the apex (top of the setting) and at the base, with smaller wing-like elements flanking the center stone at 3 and 9 o'clock. Depending on how you look at it, the silhouette also reads as butterfly wings folded around the stone, or as a stylized fleur-de-lis frame. The intentional ambiguity is part of the design's fairycore character — botanical motifs that don't commit to one specific reading.

Moissanite accent stones are set at the points of the framework: one at the apex, one at the base, and pairs tucked into the wing-like elements at the shoulders. The bright sparkle of moissanite around the soft aqua center stone creates the ring's signature contrast between the cool blue and the warm gold-and-white-flash combination.

Customization and engraving

This ring is made to order. Several customization options are available:

• Metal: Choose 10K, 14K, or 18K solid yellow gold from the drop-down. The same design is also available in solid white gold or rose gold — in any karat — on request; message us before ordering.
• Engraving: Complimentary engraving included, up to 16 characters. Add your engraving text at checkout or message us before ordering.
• Sizing: Larger and smaller sizes than the dropdown range are available — priced upon request. Half and quarter sizes available.
• Gemstones: Different gemstone options are available on request. The same Celtic vine + lotus framework works with natural emerald, natural sapphire (any color), natural ruby, lab-grown diamond, natural diamond, moss agate, moonstone, or other center stones. Moissanite accents can also be upgraded to lab-grown diamond or natural diamond. Message us for a custom quote.
• Appraisal: Select the optional GIA-style appraisal from the dropdown menu at checkout if you'd like an independent valuation document for insurance purposes.

Because the ring is made to order, please allow 2–6 weeks from order to ship. Requested modifications may extend the production timeline and adjust pricing.

How to wear it

This ring was built primarily as an engagement ring, but its versatility extends beyond that:

• Engagement ring — the primary role, especially for buyers drawn to fairycore, elven, Celtic, nature-inspired, or fantasy-bridal aesthetics rather than the standard white-diamond solitaire. The solid gold tier elevates the design to unmistakable heirloom status
• Promise ring — solid gold construction and a natural mined center stone give it the full weight of a lifetime commitment piece
• March birthstone ring — aquamarine is the traditional March birthstone, making this a natural birthday or anniversary piece for a March birthday
• 19th anniversary ring — aquamarine is also the traditional 19th wedding anniversary stone
• Right-hand statement ring — for buyers who already have an engagement ring but want a fairycore-Celtic heirloom piece for the right hand

For an engagement ring pairing, the ring stacks beautifully with a curved or chevron contour wedding band — match in solid yellow gold for a unified Celtic-themed heirloom bridal stack, or contrast with solid white gold or rose gold for a deliberate two-tone look. If you're still exploring, browse our full range of aquamarine rings or the broader selection of gemstone engagement rings to compare shapes, settings, and stones.

Specifications

Sizing & care

True to size and comfort-fit. Sizing can vary slightly between jewelers and mandrels — up to half a size — so if you've been sized recently elsewhere, check our sizing guide before ordering or message us for a complimentary ring sizer. If your size isn't in the dropdown, message us before ordering and we'll quote it.

For care, treat the ring like the heirloom piece it is: remove before swimming, cleaning, gardening, weightlifting, or applying lotions and perfumes. Avoid impact on hard surfaces — the pointed ends of the marquise cut are the most vulnerable part of the stone and can chip on a sharp knock. Clean with warm water and a soft brush; skip ultrasonic cleaners on the prong settings. A soft jewelry cloth keeps the yellow gold tone bright. The open Celtic knot metalwork has some natural give and small spaces that can collect lotion, dust, and skin oils over time — periodic gentle cleaning with a soft toothbrush in warm soapy water keeps the openwork pattern crisp.