Cathedral lab-grown engagement ring cost

How much does a 3 carat lab-grown cathedral engagement ring cost?

Short answer: at Lavora Diamonds, a cathedral ring is priced on the solitaire estimate for your center, plus the arches. A 3 carat oval or round lab-grown solitaire (D–E color, VS1+ clarity) in 14K yellow gold is estimated at $2,625–$2,925 complete, and a 2 carat is $2,175–$2,425 on our ring price estimator. The cathedral arches are quoted on your specs above that solitaire base.

By Lavora Diamonds, Provo, Utah. Updated October 2026.

A cathedral setting has arches of metal that rise from the band to hold the center stone higher. Send a photo of the cathedral style you like, and we model it in 3D so you can check the height and profile before anything is made. Our default center is D–E color with VS1+ clarity, quoted on the exact stone you choose. Complete engagement rings have a $2,000 minimum.

What a cathedral ring costs at Lavora

Build	Price	Source
2.0ct oval or round · D–E/VS1+ · 14K yellow · solitaire	$2,175–$2,425	Ring price estimator
3.0ct oval or round · D–E/VS1+ · 14K yellow · solitaire	$2,625–$2,925	Ring price estimator
3.5ct oval · D–E/VS1+ · 14K yellow · solitaire	$2,575–$3,025	Ring price estimator
4.0ct oval · D–E/VS1+ · 14K yellow · solitaire	$3,150–$3,500	Ring price estimator
Cathedral arches on any row above	Quoted on your specs	Your 3D render
Cathedral with pavé, 18K gold or platinum	Quoted on your specs	Your 3D render

Estimator figures are ranges, not fixed prices. See our ring price estimator and completed ring prices. Your exact price comes with your 3D render.

Center sizes for a cathedral ring

Measurements below come from IGI-graded lab-grown stones in our supplier feed, October 2026.

Center	Face-up size
2ct oval	about 9.9–10.6 mm long, 7.0–7.2 mm wide
2ct round	about 8.0–8.2 mm across
3ct oval	about 11.4–12.1 mm long, 8.0–8.2 mm wide
3ct round	about 9.2–9.4 mm across

A cathedral lifts the center higher on the finger. We confirm the exact millimeters on the stone you choose, and you check the height and band fit in your 3D render before production.

Buying tips

• Know what you are adding: the arches add metal and labor to a plain solitaire, so the solitaire rows above are your base and the cathedral is quoted on top.
• Plan the wedding band: a straight band can leave a gap under a taller cathedral, so many couples choose a contoured band. See a wedding band that fits your engagement ring.
• Stay in 14K gold: 18K gold and platinum cost more. See 14K vs 18K vs platinum.
• Plan ahead: standard delivery is 4–5 weeks after 3D approval and payment. A rush is $250 for 2–3 weeks.

How a custom ring works at Lavora

1. Text us a photo or idea. We text back a private soft quote, usually in about 12 hours.
2. You see a 3D render first, often within 24–48 hours: $50 refundable, credited to your ring, with unlimited revisions.
3. Delivery takes 4–5 weeks after 3D approval and payment. Need it sooner? Rush 2–3 weeks, $250 (14–21 days).
4. Production begins after 3D approval and payment. Klarna and Affirm financing are available on your invoice.

Adding a wedding band? Bands have a $650 minimum, and you save 10 percent off your total when you buy the ring and band together.

Every lab-grown center is IGI-certified, VS1+ clarity. Engraving is complimentary, US shipping is free and fully insured, and every ring comes with a Lifetime craftsmanship warranty, plus free resizing within the first 60 days. The warranty covers manufacturing defects. Lavora Diamonds is online-only: you design over text and your ring ships to you.

Cathedral ring questions

How much does a 3 carat lab-grown cathedral engagement ring cost?

At Lavora Diamonds, a cathedral ring is priced on the solitaire estimate for your center, plus the arches. A 3 carat oval or round lab-grown solitaire (D–E color, VS1+ clarity) in 14K yellow gold is estimated at $2,625–$2,925 complete on our ring price estimator, including the IGI-certified center, setting and your custom 3D render. The cathedral arches are quoted on your specs above that base.

What is a cathedral engagement ring setting?

A cathedral setting has arches of metal that rise from the band up to the center stone, lifting it higher on the finger. We model the arches in your 3D render, usually within 24–48 hours, and you can request revisions before production.

Does a cathedral setting cost more than a solitaire?

Yes. The arches add metal and labor, so a cathedral is quoted above the plain solitaire rows on our estimator. On our ring price estimator, a 2ct D–E/VS1+ oval or round solitaire in 14K yellow gold is $2,175–$2,425, and a 3ct is $2,625–$2,925.

Will a wedding band sit flush with a cathedral ring?

A straight band can leave a gap under a taller cathedral, so many couples choose a contoured band. Bands have a $650 minimum, and you save 10 percent off your total when you buy the ring and band together.

Can a cathedral ring be made in platinum?

Yes. Platinum and 18K gold are offered and are quoted on your specs; both cost more than the 14K gold in our estimates. We show the metal in your 3D render before production.

How do I pay for a custom cathedral ring?

Production begins after 3D approval and payment. Klarna and Affirm financing are available on your invoice. Complete engagement rings have a $2,000 minimum.

See also: setting price guide · 3 carat oval prices · 3 carat round prices · fitted wedding bands · ring price estimator

Lavora Diamonds · online custom jeweler based in Provo, Utah · text (385) 592-7180