What is a halo engagement ring?

Halo settings are the most requested design I try to talk a client out of, and about half the time I fail. That's not a secret. I tell them upfront: I'll build it, but you need to know what you're signing up for.

The construction is straightforward. A ring of small diamonds-melee, anywhere from 1.1 to 1.4mm each-surrounds the center stone, held in tiny shared prongs or micro-pavé. The idea is simple. More sparkle, more finger coverage, a center stone that reads half a carat larger than it actually is.

The style has been around for a century. You see it in Art Deco rings, the cocktail rings of the 1940s, the “cluster” rings your grandmother wore. What we're building now mostly riffs on those. But modern halos have their own problems.

My issue isn't the look. A well-cut halo can be beautiful, especially with an old European cut or a colored stone. My issue is longevity. Melee diamonds are small enough that a loose stone isn't obvious until it's gone. Dirt, lotion, and soap build up under the gallery, and cleaning becomes a dental-pick operation. If you're wearing the ring every day, you'll need a bench check at least annually, and you'll lose a stone eventually. It's not a question of if. It's when.

I'll still build one in two situations. First, when a client inherits a diamond that's smaller than they'd choose and they want it to feel more substantial without resetting the whole stone. Priya came in last spring with a .60 carat round, F/VS2, from her mother's 1980s solitaire. She wanted it to read like a 1.5 carat ring. I quoted a 1.8mm micro-pavé halo in 18k white gold, thin shank, and it did exactly what she needed. But I told her: come back in six months. I'll tighten every single prong and not charge you for it. She's been in twice since November.

The other scenario is a colored center-a deep blue sapphire or a pale pink spinel-where a frame of white diamonds makes the color pop in a way a solitaire doesn't. Those are the halos I enjoy building. The rest are a trend I've watched cycle in and out for about 23 years. You'll know within two years if the halo was for you. Most people find they're tired of it by year five.