Solitaire Engagement Rings: Prongs, Bezel and Hidden Halo Options

Updated October 2026 · By Yaniv Segal, founder of Segal Jewelry, Los Angeles

A solitaire engagement ring is a ring with one center stone and no competing stones around it. Four or six prongs show the most stone, a bezel protects it best, and a hidden halo adds side sparkle. Because the budget goes into one stone, a solitaire gives the most visible size per dollar. It also pairs with almost any wedding band.

Minimalist solitaire engagement ring with an emerald cut black diamond
The Minimalist Emerald Cut Black Diamond Ring - Isla No. 7, a single emerald cut stone on a clean band.

What is a solitaire ring?

"Solitaire" means a single stone. The center gem is the entire design, held up by prongs or a bezel on a band.

A solitaire band can be plain, pavé, twisted or decorated with leaves and flowers. As long as one center stone is the clear focus, the ring is a solitaire.

That simplicity is why the style never dates. A solitaire from decades ago looks as right today as it did then.

Solitaire settings compared: prongs, bezel, hidden halo and cathedral

The setting decides how much stone you see, how well it is protected, and how high it sits on the finger.

Setting Security Look Best for
4-prong Good; each prong carries more load Most stone visible, slightly square outline Princess, emerald and cushion cuts; classic taste
6-prong Very good; a lost prong is less critical Rounder outline, a touch more metal Round brilliants, larger stones, active hands
Bezel Highest; metal rim around the whole edge Smooth and modern, slightly less sparkle Daily wear, softer stones, minimal style
Hidden halo Good; small stones under the center add support Solitaire from above, sparkle from the side Those who want a quiet extra detail
Cathedral Good; arches lift and brace the head Elegant height, stone sits higher Showcasing the center; pair with a contoured band

Four prongs are our usual starting point for square and rectangular shapes. For a round stone you will wear every day, six prongs add security with almost no change to the look.

If you like the idea of hidden sparkle, our hidden halo vs double halo guide explains the difference. For raised settings, see our cathedral engagement rings guide.

Why a solitaire is the best value per carat you can see

In a halo or three-stone ring, part of the budget goes to the surrounding stones and the extra metalwork. In a solitaire, nearly all of it can go into the center.

That center is what people notice. The stone sizes on our product pages show how face-up size grows with carat weight.

Carat Round (face size) Emerald cut
0.5 ct 5 mm 6 x 4 mm
1 ct 6.5 mm 7 x 5 mm
1.5 ct 7.3 mm 7.6 x 5.6 mm
2 ct 8 mm 8.5 x 6.5 mm
3 ct 9.1 mm 10 x 7.5 mm

Stone type moves price even more than carat. Our Minimalist Emerald Cut Diamond Ring Isla No. 1 ranges from $1,620 to $212,273, from premium moissanite to natural diamond, 0.26 to 4.5 carats.

Many of our solitaires offer premium moissanite, lab created diamond or natural diamonds. Moissanite rates 9.25 on the Mohs scale and diamond 10, so both are made for daily wear.

Geometric solitaire ring with a princess cut blue topaz
The Geometric Princess Cut Blue Topaz Ring - Everleigh No. 503, a princess cut solitaire in blue topaz.

Colored stone solitaires

A solitaire is the purest way to show off color, because nothing distracts from the center.

Blue topaz rates 8 on the Mohs scale and morganite 7.5 to 8. Both are fine for engagement rings with a little care, and a bezel or six prongs adds protection.

The Minimalist Emerald Cut Morganite Ring - Isla No. 901 sets a soft pink stone in the same clean design as our Isla diamonds. Black diamonds, natural and color-enhanced, give a solitaire a dramatic, graphic edge.

14K white gold solitaire engagement ring with a ruby and flower and leaf band
The Soft Flower And Leaves Ruby Engagement Ring- Adalyn no. 9: one ruby center, with flowers and leaves on the band.

Which wedding band goes with a solitaire?

  • A plain band in the same metal: the classic, timeless pairing.
  • A pavé or eternity band: adds sparkle the solitaire left out.
  • A contoured band: sits flush under a low or cathedral setting.
  • A matching set: our solitaire bridal sets are designed to fit together.

Check how high the center sits before you choose. A low setting may need a contoured band to avoid a gap.

See your solitaire before you commit

On our ring pages, the main photo switches to the exact metal and stone you select. You see the version you are buying before checkout.

To feel the size on your hand, order a $199 Try It In Real Life replica of any ring design, sizes 4–13 including half sizes. You keep it, and the full $199 is credited toward any order of $1,000 or more.

Have a solitaire in mind that we do not show? We can create a custom ring from a photo, made to order in Los Angeles with free 60-day resizing and a lifetime warranty.

Shop the look

Shop solitaire engagement rings Shop solitaire bridal sets

Frequently asked questions

What is a solitaire ring? A ring with a single center stone as its focus. The band can be plain or decorated, but no other stone competes with the center.

Is a 4-prong or 6-prong solitaire better? Four prongs show more of the stone and suit square shapes. Six prongs add security and suit round stones worn every day.

Does a solitaire look smaller than a halo ring? A halo adds face-up size, but a solitaire puts the budget into the center stone itself, so you get a larger center for the money.

What size is a 1 carat solitaire? On our product pages, a 1 carat round measures 6.5 mm across and a 1 carat emerald cut measures 7 x 5 mm.

Can a solitaire have a hidden halo? Yes. A hidden halo sits under the center stone, so the ring still reads as a solitaire from above while sparkling from the side.