Solitaire Engagement Rings

Solitaire Engagement Rings — One Center Diamond. Every Setting Style.

A solitaire engagement ring is defined by what it doesn't have: side diamonds. A single center diamond, with no diamonds set beside it, is a solitaire — regardless of how the diamond is held. A classic four-prong is a solitaire. A bezel-set ring is a solitaire. So is an east-west, a twist, a hidden halo, or a band with scattered diamond accents that don't sit beside the center. The differentiator is the absence of side diamonds, not the configuration of the head or the architecture of the band.

This is why the Solitaire collection is the broadest and most varied style tier on the site — 46 designs, ranging from the simplest classic to architectural bezels and modern east-west variations. Every Lisa Robin solitaire engagement ring is made to order in 14K yellow, white, or rose gold or platinum. Choose a lab grown or natural diamond, a colored diamond, or a colored gemstone in any standard shape. Settings start at $2,095, and a 1 carat lab grown diamond brings most rings to roughly $2,995 fully crafted.

The Lisa Robin Global Diamond Collection

Every diamond in every Lisa Robin solitaire engagement ring is selected from the Lisa Robin Global Diamond Collection — a curated inventory of natural and lab grown diamonds available in every standard shape: round, oval, emerald, princess, marquise, pear, cushion, asscher, and radiant. Because a solitaire puts the diamond at full attention, diamond selection matters more here than in any other style.

You can browse and select diamonds online, or work through diamond selection during a private design appointment. Either way, you see the full specifications — cut, color, clarity, carat weight, and certification — for every diamond before you approve the ring. Lab grown and natural diamonds are both available; we share itemized pricing for every option so you can compare what's right for your design and budget.

Solitaire Setting Styles in This Collection

Classic four-prong solitaire engagement rings are the most recognizable engagement ring shape — a single diamond held at the apex of four slim prongs. The Olivia, Allison, and Katharine are our most-requested four-prong designs, ranging from the slimmest classical band to the architectural knife-edge.

Bezel solitaire engagement rings hold the diamond inside a continuous metal rim rather than under prongs. Sleeker, more architectural, and the most secure setting in fine jewelry. The Morgan and Emery are our signature bezel solitaires.

East-west solitaire engagement rings set the diamond horizontally across the finger rather than vertically. The orientation elongates the look and gives a familiar shape an unmistakably modern read. The Mia and Nova East-West are our most-requested designs.

Hidden halo solitaire engagement rings place a halo of small diamonds beneath the center, visible only from the side. The face of the ring reads as a clean solitaire; the detail is private. The Casey is our hidden halo solitaire.

Twist solitaire engagement rings introduce movement and asymmetry into the band while preserving the single-diamond focus. The Leila and Amelia carry their twist all the way around the finger.

Scatter detail solitaire engagement rings place small diamonds across the band — not as side stones but as a subtle texture along the metal. The ring reads as a solitaire from across the room and reveals the scatter detail up close. The Polaris is our signature scatter solitaire, available with diamond, colored diamond, or gemstone centers.

Choosing Your Solitaire Engagement Ring

Diamond shape. Round is the classic choice and the most-requested. Oval and emerald are the most-popular elongated shapes — both flatter the finger and read modern. Marquise and pear are bolder; cushion, princess, asscher, and radiant offer architectural and vintage character. Every shape works in every setting style we offer.

Metal pairing. Yellow gold deepens the warmth of a colorless diamond and reads classical. White gold and platinum heighten brilliance and read modern. Rose gold adds romantic warmth. The metal you choose affects how the diamond reads more than couples often expect — we mock options up before you decide.

Setting profile. Low-profile solitaires sit close to the finger, snag less on fabric, and pair more easily with wedding rings. High-profile cathedral solitaires lift the diamond up and forward for more visible presence. We help you find the right balance for your hand and your daily life.

Lab grown vs. natural. Both are real diamonds with identical chemistry, optics, and durability. Lab grown is the value path; natural is for couples who want geological provenance. Most couples choose lab grown for the larger carat weight it brings within reach, especially in solitaires where the single diamond carries the ring.

Wedding ring coordination. A solitaire engagement ring pairs effortlessly with any wedding ring style — straight, curved, beaded, or eternity. We plan the pairing during the engagement ring design, especially for low-profile solitaires where the wedding ring sits flush.

Why Couples Choose a Solitaire

The solitaire is the design couples return to when they want the diamond — and only the diamond — to carry the ring. It is the most timeless engagement ring shape, the easiest to pair with any wedding ring, and the design that travels best across decades and changing personal style. A solitaire crafted today reads the same in fifty years.

Solitaires also offer flexibility most couples don't initially expect. Because the design centers entirely on the diamond, a couple can upgrade, restyle, or reset the diamond into a new ring later in life — anniversary milestones, retirement, generational handoff — and the diamond remains the star. The setting can change. The diamond doesn't have to.

Designed in Dayton. Made in the USA.

Every Lisa Robin solitaire engagement ring is designed in our Dayton, Ohio studio and crafted in our New York workshop. Crafting takes 3–4 weeks, and we communicate with you at every milestone — diamond selection, CAD review, casting, setting, and final inspection. You can order online with confidence, or book a private design appointment to walk through diamond options and proportions before placing the order.

Book a Private Design Appointment