Everything that actually produces the reaction — and the things men spend money on that nobody ever notices.
Picture the week after you propose. She’s at work, at dinner, on a video call with her sister. Her hand comes up. Someone grabs it.
That moment is the entire product. Not the appraisal, not the paperwork in the drawer — the half-second where somebody’s eyebrows go up. And here’s what I’ve learned looking at what actually drives that reaction versus what men spend money on: they’re almost completely different lists.
Nobody in the history of engagement rings has gasped at a clarity grade. What stops people is size and fire — how big the stone reads across a room, and how hard it throws light. Those two things are overwhelmingly what you’re buying, and they happen to be the two things you can maximise most aggressively for the money, if you know which levers to pull.
I should say where I’m standing: I run a jewellery brand, Luce di Monti, so I spend my working life looking at what makes a stone read big and what makes a buyer’s face change. Price that bias in where it’s relevant. The levers below work whoever you buy from.
Here are the levers.
First, throw out the salary rule
De Beers hired the New York ad agency N.W. Ayer & Son in 1938, and the modern engagement ring ritual was essentially built as a marketing programme through the 1940s. The “two months’ salary” figure didn’t even appear until the 1980s. It isn’t tradition or etiquette. It’s a number an agency picked because it was big enough to matter and small enough that men would go along with it.
Anyone quoting it at you across a counter is quoting advertising. Meanwhile the real-world average has been falling — from roughly $6,000 in 2021 to about $4,600 in 2025. Spending went down during a period when nothing else did, because buyers got smarter about where value actually sits.
Set your own number, before you shop, based on what you can spend without it touching anything else in your life for two years. Then spend all of it on things that show.
Lever one: shape
Round brilliants are the most popular cut, at roughly 26 to 28 percent of all rings. They’re also the most expensive per carat, because cutting a round from rough wastes more raw material than almost any other shape. You pay for the dust.
Elongated shapes give you more visible stone for the same weight. Oval, emerald, marquise and elongated cushion spread their mass across a wider face-up surface, so more of the stone is pointed at the viewer instead of buried below the setting. Oval has climbed to about 25 percent of the market, nearly level with round, and emerald, marquise and elongated cushion are the fastest-growing cuts of the past year.
Same money. Visibly bigger ring. This is the easiest win available.
Lever two: a thinner band
This one is free.
It’s pure contrast: the narrower the metal, the more the stone dominates the hand. Look at what actually sells rather than what gets written about and you’ll find bestseller lists full of bands described as petite, delicate or slender, while the trade press talks endlessly about thick, chunky designs. Chunky is what designers are excited by. Thin is what people buy, and thin is what makes a stone look enormous.
Lever three: the hidden halo
The most underrated setting on the market, and most men have never heard of it.
A ring of tiny stones sits underneath the centre stone, invisible from directly above, catching light from the side. From the top the ring reads as a clean, classic solitaire — but the centre stone looks substantially larger than it is. It now accounts for around 18 percent of engagement rings, more than the traditional visible halo at 13 percent.
Its entire purpose is apparent size, and it does the job without announcing itself. It’s the single change I most often suggest when someone comes to Luce di Monti with a budget and wants to know where it goes furthest. If you only take one specific recommendation from this piece, make it this one.
Lever four: the stone itself
This is where the maths changes completely.
Lab-grown diamonds crossed from alternative to default somewhere in the last two years — they’re now somewhere between 52 and 61 percent of engagement ring centre stones depending on whose survey you read. In 2025, lab-grown ring sales rose 31 percent. The idea that you’re taking a social risk by not buying mined is simply out of date. You’d be in the majority.
One step further sits silicon carbide — sold under names like Zeverra — and this is where the wow-factor arithmetic gets genuinely interesting.
Silicon carbide bends light harder than diamond does, and it splits white light into spectral colour at more than twice the rate. In practice that means visible flashes of blue, orange and green as the hand moves. It is the most active stone you can put on a finger. Across a dinner table, under a bar light, in daylight by a window, it is unmistakably doing something.
And then the part that matters for this article: size stops being the constraint.
With diamond, every millimetre is a negotiation with your budget. With silicon carbide it isn’t. A stone with the visual presence of a three-carat diamond — the kind of ring that genuinely stops a room — sits in the few-hundred rather than five-figure bracket.
A note on how to read the sizing, because it’s the thing that trips people up: good sellers quote these stones by their diamond-equivalent size rather than raw carat weight. That’s the number you want. It tells you how big the stone will actually look next to a diamond of that description, which is the only comparison anyone will ever make. If a seller talks only in carats and gets vague when you ask for millimetres, go elsewhere.
We quote every stone at Luce di Monti in diamond-equivalent millimetres for exactly this reason — it’s the only figure that answers the question the buyer is actually asking. Get that number, and you can buy presence directly.
The thing men forget entirely: the box
You will spend weeks on the stone and about four seconds on the packaging. This is a mistake, and it’s the cheapest one to fix.
Think about the actual sequence. Before she sees the ring, she sees the box. It’s in your hand, or on a table, or coming out of a pocket. It is the first physical object in the most photographed moment of your relationship, and it will be in the photographs — in her hand, on a tablecloth, open on a bedside table the next morning.
A flimsy hinged clamshell that creaks undoes a remarkable amount of work. A box with real weight, a magnetic close, a proper lining and a certificate card seated in it reads as serious before a single stone is visible. It sets the frame she interprets everything else through.
This is why at Luce di Monti the outer box closes magnetically and the certificate card seats into the lid rather than floating loose in the base — the box has to survive being handled, photographed and kept, because it will be.
When you’re comparing sellers at similar prices, ask what it actually ships in. Some will show you. The ones who’ve thought about it have thought about the rest, and it’s a surprisingly reliable tell.
What I’d actually do
- Set your number first, before you look at anything. Ignore salary multiples.
- Choose an elongated shape — oval, emerald, elongated cushion — for more visible stone per unit of money.
- Go thin on the band. It costs nothing and makes the stone look bigger.
- Look at a hidden halo before you settle on a plain solitaire.
- Ask for the diamond-equivalent size in millimetres, not just the carat figure.
- See it in person, in more than one light. Shop lighting is engineered to flatter. Daylight is the honest test, and a stone that performs in both is the one you want.
- Ask what it ships in. Then check it sits flush against a wedding band — ask in the shop, not in eighteen months.
Buy for the half-second when her hand comes up. That’s what you’re actually paying for, and almost none of it is on the certificate.
Dimitrios Pliatsios is the founder of Luce di Monti, which sets Zeverra silicon carbide stones in hand-finished settings. Market figures cited are from The Knot’s engagement ring surveys and published retail sales reporting.
