Lab-Grown · IGI Certified · 3ct+
The diamond you actually want.
At the price it should be.

3ct+ lab diamonds, IGI certified, from $799. The same brilliance as a $30,000 natural stone — without the premium.

Shop 3ct+ Diamonds Find Your Style
from $799
3ct+ · No markup
IGI
Certified Every Stone
30 Days
Free Returns
See the Difference

1ct vs 3ct.
Not just bigger — a different presence entirely.

Same cut. Same certification. The only difference is the moment people look up.

1 carat diamond
1ct
6.5 mm diameter

Classic and tasteful. Easy to overlook from across the room.

The Sweet Spot
3 carat diamond
3ct+
9.4 mm diameter

The moment people notice. Unmistakable — without being over the top.

See All 3ct+ Options

IGI certified · Round brilliant · Eye-clean · Flat-rate pricing

Diamond Education
Lab-grown vs. natural: what's actually different?
Chemically identical. Same certification. One costs 97% less. Here's the full breakdown.
Read the guide
Find Your Style

Same stone. Your way.

One diamond. Four ways to wear it. Tap to explore.

The Quiet Statement
The Quiet Statement
Minimal. Platinum. Timeless.
Clean lines. Platinum solitaire. The kind of ring that doesn't need to announce itself.
This feels like me
The Heirloom
The Heirloom
Vintage filigree. Edwardian soul.
Vintage filigree. Edwardian soul.
This feels like me
The Presence
The Presence
Bold. Unapologetic. Gold.
Bold bezel. Heavy gold. Unapologetic. This is the ring you wear when you've stopped asking for permission.
This feels like me
The Everyday Luxury
The Everyday Luxury
Real life. Real sparkle.
Morning coffee. Natural light. A 3ct+ that fits into your real life — and still stops people mid-sentence.
This feels like me
The Price Gap
Same diamond.
97% less than natural.

A KLARÈVE 3ct+ lab diamond is chemically identical to a mined stone — same brilliance, same IGI certification, same presence on your hand. The only difference is the price tag.

Natural 3ct
$30,000+
Market average · mined
vs
KLARÈVE 3ct
from $799
IGI certified · no markup
Shop 3ct+ Diamonds How It Works
Same diamond.
97%
Less than natural
KLARÈVE Features
No markup. No commission. No confusion.
Traditional retail adds 100–300% before you see a price. Here's exactly how KLARÈVE pricing works.
How our pricing works
Two Ways to Get Your Diamond

Simple from day one.

01
Upgrade Your Ring

Keep the setting you love — just replace the centre stone. Most settings fit a 3ct+ round brilliant, and the swap costs under $200 at any local jeweller.

  • Order your KLARÈVE diamond
  • Take it to any local jeweller
  • Stone swap — usually under $200
Shop Upgrade Diamonds
02
Custom Setting, Your Way

We provide the diamond. You bring it to a local jeweler and have it set exactly how you want — any style, any metal, fully custom.

  • Order your KLARÈVE diamond
  • Bring it to any local jeweler
  • Custom setting — your design, your metal
Choose My Diamonds
Local Jeweler Recommendation

Once you receive your KLAREVE diamond, we will recommend a trusted local jeweler near you for setting.

Our Selection

Start with what works.

All stones are IGI certified and photographed individually.

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The Classic — 3 Carat Round Brilliant Diamond
Best Value
The Classic — 3 Carat Round Brilliant Diamond
3.0ct · F-G/VS1-2 · Excellent Cut
$799.00
The Signature — 3 Carat Round Brilliant Diamond
Most Popular
The Signature — 3 Carat Round Brilliant Diamond
3.0ct · E-F/VSS2-VS1 · Excellent Cut
$999.00
The Reserve — 3 Carat Round Brilliant Diamond
Top Upgrade
The Reserve — 3 Carat Round Brilliant Diamond
3.0ct · D-E/VSS1-2 · Excellent Cut
$1,199.00
The Classic — 4 Carat Round Brilliant Diamond
Statement
The Classic — 4 Carat Round Brilliant Diamond
4.0ct · F-G/VS1-2 · Excellent Cut
$999.00
The Signature — 4 Carat Round Brilliant Diamond
Looks Flawless
The Signature — 4 Carat Round Brilliant Diamond
4.0ct · E-F/VSS2-VS1 · Excellent Cut
$1,299.00
The Reserve — 4 Carat Round Brilliant Diamond
Maximum Impact
The Reserve — 4 Carat Round Brilliant Diamond
4.0ct · D-E/VSS1-2 · Excellent Cut
$1,599.00
View All Diamonds
From The Journal — Diamond Education
Diamond Education
The 4Cs explained: Cut, Color, Clarity, and Carat
Read guide
Diamond Education
What does an IGI certificate actually tell you?
Read guide
KLARÈVE Features
Transparent pricing: no markup, no commission
Read guide
Diamond Education
Lab-grown vs. natural diamonds: the full breakdown
Read guide
127 Customers Upgraded This Year

They made the upgrade. Here's what they said.

Every stone photographed individually. Every review unedited.

Sarah M.
3ct · F/VS2 · Classic
★★★★★

"I had a 1ct for 8 years. The moment I put this on, I understood what I'd been missing. It's not just bigger — it's a completely different presence."

S
Sarah M.
New York · 10-year anniversary upgrade
Jessica L.
4ct · E/VVS2 · Singapore
★★★★★

"I was nervous about buying a diamond online. But the IGI certificate, the real photos, and the 30-day return policy made it easy. It arrived and I cried."

J
Jessica L.
Los Angeles · Self-purchase, 30th birthday
Michelle & David
5ct · D/VVS1 · Reserve
★★★★★

"We upgraded from a 1.2ct natural diamond. The difference in size is shocking — and we saved $22,000. That money went toward our house instead."

M
Michelle & David
Chicago · Engagement upgrade
Buy with Confidence

Every purchase is protected.

IGI Certified

Every stone is independently graded with a full IGI certificate — the same standard used for natural diamonds. Verifiable online.

Understand your certificate
Free Insured Shipping

Every KLARÈVE diamond ships fully insured, with free return shipping included. Your stone is protected from our hands to yours.

Shipping policy
30-Day Free Returns

See it in person first. If it's not right, return it within 30 days for a full refund — free insured shipping, no questions asked.

Return policy
Ready?

The diamond you want.
At the price it should be.

IGI certified · Flat-rate pricing · No markup · 30-day returns

One shape. One standard. Yours.

Shop 3ct+ Diamonds Browse All Options