Nobody will tell you this number. You can search for an hour and find a hundred pages that say custom engagement rings cost "more than you'd think" or "less than you'd expect," and not one that gives you a figure you can plan around.
Here's mine: custom engagement rings from my studio run $2,000 to $12,000, with most landing between $3,000 and $6,000. The center stone is 50-70% of that. The setting — the metal, the labor, the design work, all of it — is usually $1,200 to $3,500.
That's the whole secret. Custom pricing feels opaque because jewelers quote you one blended number, so you can't tell which half is the rock and which half is the work. Once you can see the split, the decisions get easy.
What you get at each budget
These are 2026 ranges from my studio, and they assume a complete ring — stone, setting, sizing, finishing — not a setting you still have to fill.
| Budget | What that typically buys |
|---|---|
| $2,000–$4,000 | A lab-grown center up to about 1.5ct, 14k gold, a clean solitaire or bezel. Nothing about this tier looks cheap — it's the most common ring I make. |
| $4,000–$7,000 | A 2ct+ lab center, or a smaller natural stone. 18k gold, more detail in the setting — hidden halo, engraving, a shaped band that fits a future wedding ring. |
| $7,000–$12,000 | A natural 1–1.5ct with real spec, or a two-stone toi et moi. Platinum if you want it. This is where the stone starts driving everything. |
| $12,000+ | Larger natural stones, unusual cuts, or heavily built settings. Above this the number is almost entirely the diamond. |
For a sense of what finished work costs when the stone is already chosen, a few pieces from the shop: the Sunken Set Asscher Engagement Ring is $3,900, the Oval Cut Blue Sapphire Split Shank Ring is $3,200, and Rosie's Toi Et Moi Two Stone Ring is $5,200. Custom lands in the same territory. It isn't a luxury surcharge on top of retail.
The three things that actually move the number
1. Lab-grown vs. natural — this is the whole ballgame
Same size, same look to the eye, and the lab stone runs roughly 60–80% less. A 2ct lab center at around $2,000 has a natural counterpart north of $12,000. No other decision you make comes close to this one for leverage.
I'll be straight about the tradeoff, because plenty of jewelers won't: lab diamonds have not held resale value, and wholesale prices have fallen steadily. If you think of a ring as an asset, that matters. If you think of it as something you wear — which is what it is — it doesn't.
2. Carat weight, and the price cliffs
Diamond pricing jumps at the round numbers. A 0.95ct and a 1.00ct look identical on a hand and can differ meaningfully in price, because the market pays for the number on the certificate. Buying just under a threshold is the easiest way to get more ring for the money.
3. Setting complexity
A solitaire is a few hours at the bench. A hidden halo with pave down the shoulders and a shaped band is several days, and every one of those days is in your quote. Detail is genuinely expensive — not marked up, just slow.
Where custom is not the answer
If you want a plain solitaire in a standard size and you don't care about the specifics, custom is the wrong tool. You'll pay for design time you didn't need and wait for something a good retailer has in a case. I say this to people fairly often.
Custom earns its money when there's a constraint a stock ring can't solve: an inherited stone, an unusual finger size, a band that has to sit flush against a wedding ring, a shape nobody stocks, or a person who will notice every detail for the next forty years.
The reframe
The question isn't "custom or retail." It's how much of your budget ends up in the ring versus in the overhead of selling it to you. A chain store ring carries the cost of the store, the case, the staff, and the inventory sitting unsold. That's not villainy. It's just what a showroom costs, and you pay it.
Buying custom moves that share into the stone and the metal. Same money, more ring. That's the entire argument, and it's why the tier table above looks the way it does.
Common questions
Is a deposit required?
Yes. Design work and stone sourcing start before fabrication, and that time is real. The terms go in writing before you pay anything.
Can I use a stone I already have?
Often the best move. If there's a diamond in the family, the most expensive component is already in your jewelry box. See heirloom redesign.
How long does it take?
I quote a lead time per project rather than publishing one, because a clean solitaire and a multi-stone build with sourcing are not the same job, and a number here would be wrong for half of you. You'll get a real date at the consultation, before any deposit. For a holiday or New Year's proposal, September and October are when to start.
What if I don't like the design?
You see CAD renderings before any metal is cut, and we revise until it's right. Nothing gets fabricated off a guess.
How this works
Free consultation, in person or over video. We talk budget honestly first, because it determines everything downstream. Then stone options, then sketches and CAD, then revisions until you're sure, then fabrication and delivery. You approve the number before anything is made.
More reading: the three-months-salary myth, how to choose an engagement ring, and my custom design page.
Let's talk numbers
Book a complimentary consultation — in person in Santa Monica, or virtually from anywhere in the U.S. Come with a budget, even a rough one. If custom isn't the right call for what you want, I'll tell you that and point you somewhere better.
Kate Price is the founder of Kate Rose Fine Jewelry, a Santa Monica studio specializing in heirloom redesign and custom fine jewelry.
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