How Much Does a 3.5 Carat Lab-Grown Ring Cost? (2026)

By Lavora Diamonds, Provo, Utah. Updated October 19, 2026.

How much does a 3.5 carat lab-grown engagement ring cost in 2026?

Short answer: at Lavora Diamonds, a complete 3.5 carat E–F/VVS2 lab-grown solitaire in solid 14K gold is estimated at $2,925–$3,225, and $3,200–$3,525 with a hidden halo. An F/VS1 solitaire is estimated at $2,575–$3,025. Real builds: a completed 3.50ct oval with a hidden halo in 14K yellow gold came to $2,799, and a 3.50ct G VS1 cushion came to $3,597. Each price includes the IGI-certified center, the custom setting, your 3D render and production. Complete engagement rings have a $2,000 minimum.

3.5 carat ring prices by setting

Ring (lab-grown, IGI)	Complete ring	Source
3.5ct · F/VS1 · 14K yellow · solitaire	$2,575–$3,025	Ring price estimator
3.5ct · E–F/VVS2 · 14K · solitaire	$2,925–$3,225	Desk estimate
3.5ct emerald · E–F/VVS2 · 14K yellow · solitaire	$2,925–$3,225	Desk estimate
3.5ct · E–F/VVS2 · 14K · hidden halo	$3,200–$3,525	Desk estimate
3.5ct · E–F/VVS2 · 14K · pavé band	$3,775–$4,175	Desk estimate
3.50ct oval · 14K yellow · hidden halo, low-set basket	$2,799	Completed ring
3.50ct G VS1 cushion	$3,597	Completed ring

E–F/VVS2 rows are design-desk estimates: (setting + IGI-certified diamond + insured shipping) × 3.15, shown as a ±5% range. F/VS1 rows come from our ring price estimator (VS1 stones price below VVS2). 18K gold and platinum are quoted on your specs.

3 carat vs 3.5 carat vs 4 carat

Center	Complete ring, 14K solitaire (E–F/VVS2)	Source
3ct	$2,625–$2,925 (about $2,775)	Design-desk preset
3.5ct	$2,925–$3,225	Desk estimate
4ct	$3,150–$3,500 (about $3,325)	Design-desk preset

Going from 3ct to 3.5ct raises the estimate by about $300, and 4ct adds another $225–$275. For a 3.5ct near $3,000, an F/VS1 stone is the usual route (estimated at $2,575–$3,025 as a 14K solitaire). More detail: 3 carat ring cost · 4 carat ring price · rings under $3,000.

Real Lavora builds around 3.5 carats

• 3.50ct oval, 14K yellow gold, hidden halo, low-set basket, 3.5mm band: $2,799 total.
• 3.50ct G VS1 cushion: $3,597 complete.
• 3.16ct D/IF oval, 14K white gold, hidden halo: $3,249 total.
• 4.02ct E/VVS2 oval, 14K yellow gold, hidden birthstones: $3,349 total.
• A two-stone toi et moi with two 3.5ct lab-grown diamonds, a hidden halo and a pavé band: over 8 carats total.

Completed prices are past Lavora builds (completed ring prices · price per carat index), not a quote for your ring. Past builds vary with the exact grades and the stone market when they were made.

How ordering works

1. Text us. Send a photo or screenshot of the ring you want, your carat and your budget to 385-592-7180. A private soft quote comes back.
2. See it first. Your 3D render arrives in about 24–48 hours for a $50 design fee that is fully refundable and credited toward your ring. Ask for revisions until it is right.
3. Production. Your ring is made in 4–5 weeks after you approve the render. A $250 rush (14–21 days) is available. Production begins after 3D approval and payment.
4. Delivery. US shipping is free and fully insured, and engraving is complimentary.

Every lab-grown center comes with an IGI certificate, and our clarity standard is VS1 or better. Settings are made in 14k or 18k gold or platinum. Every ring comes with a Lifetime craftsmanship warranty, plus free resizing within the first 60 days. 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.

FAQ

How much is a 3.5 carat lab-grown engagement ring?

At Lavora Diamonds, a complete 3.5 carat E–F/VVS2 lab-grown solitaire in solid 14K gold is estimated at $2,925–$3,225, or $3,200–$3,525 with a hidden halo. A completed 3.50ct oval with a hidden halo in 14K yellow gold came to $2,799 total.

Can I get a 3.5 carat lab-grown ring for about $3,000?

Often, yes. At Lavora a 3.5ct F/VS1 solitaire in 14K is estimated at $2,575–$3,025, and a completed 3.50ct oval with a hidden halo came to $2,799. An E–F/VVS2 solitaire is estimated at $2,925–$3,225.

Is 3.5 carats too big for an engagement ring?

That is a style choice, not a quality one. An elongated oval or emerald cut spreads the size along the finger, and a 3D render on your hand measurements shows how it will look before anything is made.

What does a 3.5 carat ring with a hidden halo cost?

A 3.5ct E–F/VVS2 lab-grown center with a hidden halo in 14K gold is estimated at $3,200–$3,525 complete at Lavora. Every lab-grown center comes with an IGI certificate.

How long does a 3.5 carat custom ring take?

Your 3D render arrives in about 24–48 hours, and production takes 4–5 weeks after you approve it. A $250 rush (14–21 days) is available.

See also: ring price estimator · 3 carat ring cost · 4 carat ring price · price per carat index · toi et moi cost

Lavora Diamonds · 412 West Rivers Edge Drive, Provo UT 84604 · text 385-592-7180