Selena Gomez's Engagement Ring: The Marquise Diamond Explained

On December 11, 2024, Selena Gomez posted to Instagram with a caption that read simply: "Forever begins now." The accompanying photographs showed a marquise-cut diamond of striking scale — pointed, elongated, and set high in a cathedral of yellow gold above a wide band of pavé diamonds. Within hours, the images had circulated across every major entertainment outlet. Within days, jewelry editors and gemologists were analyzing the ring from every published image, arriving at estimates for its carat weight that ranged from four carats to nine. What nobody disputed was the ring's visual impact, nor its personal significance: the marquise diamond was the shape Gomez had referenced in her own music a decade earlier, and Benny Blanco had designed the ring around that detail.

Ten months later, on September 27, 2025, Gomez and Blanco married at Sea Crest Nursery in Santa Barbara, California. The guest list included Taylor Swift, Ed Sheeran, Mark Ronson, and the casts of Only Murders in the Building and Wizards of Waverly Place. The marquise ring gained two diamond wedding bands at the ceremony, one shaped specifically to nest against the engagement ring's center stone without gaps. The story of the ring — from the lyric that inspired it to the jeweler who built it — is one of the more genuinely personal in recent celebrity engagement history.

What Is the Ring, Exactly?

The ring is a bespoke piece made by Abril Barret, a Los Angeles fine jewelry house founded by sisters Katherine Theofilos Claster and Stephanie Theofilos. According to Theofilos Claster in an interview with Page Six, Blanco approached the studio earlier in 2024 with specific ideas already formed. His central brief was clear: the stone had to be a marquise cut. "We started the project earlier this year," Claster said. "Benny, a wonderful creative himself, had specific inspiration, including the center cut, the marquise. We worked closely with multiple approaches before our final ring." An early design included large baguette diamonds flanking the center stone — Blanco described the first version in an Interview Magazine conversation — but the final piece stripped those away, leaving a cleaner silhouette with all ornamental energy concentrated in the eternity band beneath.

The finished ring has four structural components that together create its visual character:

• The center stone: a marquise-cut natural diamond, estimated by independent jewelry experts at 6–8 carats and graded D–F color and VVS1 clarity based on visible characteristics in published photographs.
• The prong configuration: six prongs, with V-prongs at the two pointed tips — the standard protective approach for marquise diamonds, which are vulnerable to chipping at their culet points.
• The mounting: a cathedral setting that elevates the center stone, allowing light to enter from below the girdle and maximizing brilliance return from multiple angles.
• The band: a yellow gold eternity band set with round brilliant pavé diamonds, notably wider and bolder in proportion than the slim pavé bands common in current commercial design — a deliberate aesthetic choice that gives the ring what Hello Magazine called a "bold presence."

Abril Barret described the design philosophy as combining heirloom sensibility with modern wearability. The marquise is historically associated with royal and aristocratic jewels — its origin is attributed to commissions made for the Marquise de Pompadour at the French court of Louis XV — which gives the ring a vintage register. The wide pavé band anchors it firmly in the present. The result is a ring that reads as simultaneously old and new, intimate and grand.

How Many Carats Is the Diamond, and Why Does the Estimate Vary So Much?

No official carat weight has been disclosed. The wide range of expert estimates — from four carats to nine — is not unusual for celebrity ring analysis, and understanding why illuminates something important about how marquise diamonds work.

Carat is a unit of mass (one carat equals 200 milligrams), not a measurement of physical dimensions. A well-cut marquise diamond at 1.00 carat measures approximately 10 mm × 5 mm at the girdle — a significantly larger footprint than a 1.00-carat round brilliant at 6.5 mm diameter, because the marquise's elongated shape distributes its mass across more surface area rather than concentrating it in depth. According to gemological sizing data from VRAI's diamond size chart, marquise diamonds produce approximately 15% more face-up surface area per carat than round brilliants of equal weight. This means even a moderately sized marquise can appear dramatically large on the hand — and makes it genuinely difficult to estimate carat weight from photographs alone without millimeter measurements or a known reference point.

The estimates converge most strongly around 6–8 carats: Jessica Flinn of Jessica Flinn Fine Jewellery told Hello Magazine the stone weighed 8–9 carats; Ann Grimmett of Jared estimated 6 carats to People; the Natural Diamond Council analysis places the figure at approximately 8 carats. The most reliable observation is simply that the stone is a large, high-clarity natural marquise of considerable rarity, and that the precise weight — whatever it is — is secondary to the ring's design coherence and personal significance.

Expert Estimates of Selena Gomez's Ring: Carat Weight and Value

Source	Carat Estimate	Value Estimate	Clarity / Color (assumed)
Jessica Flinn Fine Jewellery (Hello Magazine)	8–9 carats	~$630,000	D–F / VVS1
Ann Grimmett, Jared Jewelers (People)	~6 carats	~$225,000	D–F / VVS1
Amanda Trevizo, Shane Co. (The Knot)	~4 carats	Not disclosed	D–F / VVS
Natural Diamond Council analysis	~8 carats	Not specified	D–F / VVS1

For buyers researching marquise diamonds, the takeaway here is practical: at smaller budgets, the marquise's face-up efficiency means you can achieve significant visual presence at lower carat weights than you would need in a round. A 1.5-carat marquise at excellent symmetry covers roughly the same finger width as a 1.8-carat round brilliant — at a price 20–25% below equivalent round pricing. Our marquise engagement rings guide covers the buying criteria — symmetry grades, bow-tie evaluation, length-to-width ratios, and V-prong selection — in full detail.

Why Yellow Gold? The Metal Choice Decoded

Yellow gold's dominance in engagement ring design entering 2025–2026 is well-documented across trade data. The Natural Diamond Council's Tenoris dataset — drawn from more than four million U.S. jewelry transactions across 2,500 specialty jewelers — confirms yellow gold as the leading metal for engagement rings by a significant margin, reversing the white gold and platinum preferences of the 2000s and 2010s. The Knot's 2026 Real Weddings Study found yellow gold chosen by more couples than any other metal option.

Gomez's ring sits squarely within this shift. Yellow gold pairs particularly well with marquise diamonds for two optical reasons. First, a marquise's elongated silhouette already reads as a warm, romantic shape — its history in French royal court jewelry associates it with gilded aesthetic sensibilities. A platinum or white gold mounting can make this warmth feel slightly incongruous; yellow gold reinforces it. Second, marquise diamonds often exhibit subtle warmth in their body color at the tips, a characteristic of how light exits through the elongated points. A yellow gold setting neutralizes any perceptible warmth, making an I or J color stone appear just as bright face-up as a D. For buyers working within a budget, this is a meaningful practical note: choosing an I or J color marquise in yellow gold can deliver 15–25% savings versus a D or E color stone, with no visible difference in the finished ring.

The width of the eternity band is a deliberate departure from the prevailing slim-band orthodoxy. Current commercial trends favor thin, delicate bands that let a solitaire center stone float visually. Blanco and Abril Barret went in the opposite direction — a wider band set with larger-scale pavé diamonds that frames the marquise assertively rather than receding beneath it. This gives the ring a proportional gravity consistent with the stone's size: a wide, dramatic diamond needs a band with sufficient visual weight to feel intentional rather than unmoored.

The Lyric That Started It: Personal Meaning Behind the Shape

In her 2015 single Good For You, produced in part by Blanco himself, Gomez sings about being a marquise diamond brilliant enough to make Tiffany jealous — a lyric that, in retrospect, reads almost as a proposal brief written a decade in advance. Gomez confirmed in post-engagement interviews that the marquise had been her dream shape for years; she also revealed that when Blanco first showed her the ring, she briefly considered changing it — then decided against it. "That's the diamond I've always dreamed of," she said.

Blanco's account of the design process adds further texture. He had been quietly gathering intelligence for months: borrowing her phone to note jewelry she had saved, asking hypothetical questions during casual conversations. The process is a reminder that the most personally resonant engagement rings rarely emerge from a single shopping trip. Blanco's approach — long observation, specific brief to a trusted jeweler, iterative design — is also precisely the model that fine jewelers recommend for custom rings regardless of budget. Abril Barret's stated goal, to make the ring feel like an heirloom, was achieved not only through its design but through the years of attention that preceded the commission.

The Marquise's 2025–2026 Revival — and What Gomez's Ring Did to It

The marquise cut had been dormant for decades. Its commercial peak ran from roughly the mid-1970s through the early 1990s, when its elongated, pointed silhouette was embraced in the maximalist jewelry aesthetic of that era. As consumer preferences shifted toward the round brilliant and later the oval through the 2000s and 2010s, the marquise became strongly associated with a period style rather than a contemporary one.

The revival was already underway before Gomez's announcement. Natural Diamond Council / Tenoris data from 2025 recorded approximately 12% year-over-year unit growth for marquise across all diamond jewelry categories. National Jeweler's 2026 engagement ring trends coverage, citing Stuller trade data, identified marquise as one of the three shapes with the most significant year-over-year unit growth alongside emerald and elongated cushion. Designer Lorraine West ranked it third overall among all shapes, behind only round and emerald, in her 2026 forecast.

What Gomez's ring did was convert latent interest into active consumer search at scale. Industry data consistently shows that when a high-profile celebrity engagement features an unusual shape, search volumes for that shape rise sharply in the following weeks — often sustaining elevated levels for twelve to eighteen months as the cultural conversation continues. The marquise's combination of finger-elongating geometry, vintage romance, and a 20–25% per-carat discount versus round brilliants makes it a shape that rewards consumer curiosity: buyers who come to it because of Gomez often stay because the practical case is genuinely compelling.

If you are considering a marquise for your own ring, the two factors that separate a beautiful marquise from a costly mistake are symmetry and bow-tie management. Both are assessed through stone-by-stone visual evaluation rather than a single certificate field — GIA does not issue a formal cut grade for marquise diamonds. Our dedicated marquise engagement ring guide covers the recommended length-to-width range (1.75–2.25), how to evaluate a stone's bow-tie shadow via 360-degree video, and why V-prongs at the tips are not optional. For a broader look at what different shapes deliver at different budgets — including how lab-grown diamonds change the size equation across all shapes — see our engagement ring budget tiers guide.

Get the Look: Marquise Solitaires in Yellow Gold

Selena Gomez's ring operates at a price point inaccessible to most buyers. The design language it embodies — marquise solitaire, cathedral elevation, yellow gold, wide pavé band — is entirely reproducible at a fraction of the cost through a combination of shape selection, lab-grown or natural stone optimization, and thoughtful setting design.

A natural marquise diamond at 1.50 carats, G color, VS2 clarity, Excellent symmetry, in a yellow gold cathedral solitaire setting costs approximately $6,000–$9,000 depending on retailer and band choice. At that weight, the face-up size — roughly 13 mm × 6.5 mm — creates the finger-elongating, high-presence visual effect that defines the marquise's appeal. A lab-grown marquise of identical grade at 1.50 carats is priced approximately 70–80% below natural equivalents, placing this profile within a $1,500–$3,000 range at major online retailers. For buyers prioritizing the look and the stone's physical and optical properties over natural provenance, the case for lab-grown is straightforward at this shape and this price tier. Whether natural or lab-grown, both carry GIA or IGI certificates that document their 4Cs in full.

The one purchasing criterion that the Gomez ring underscores above all others: choose your marquise stone first, and choose it by direct visual inspection — not by certificate fields alone. The bow-tie shadow that is inherent to this shape is not documented on any laboratory report. A stone that looks flawless on paper can carry a severe, dominant bow-tie that reduces its beauty substantially. Always evaluate via high-resolution 360-degree video before committing, and prioritize Excellent or Very Good symmetry grades as a baseline filter. The rest of the decision — metal, band width, prong style — follows from there.