Heart|Lab Grown|IGI

3.51ct D VVS1 Heart Lab Grown Diamond

ID • D/VVS1 • IGI LG843692584

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG843692584

Diamond specifications and retailer prices

From €1,616 EUR

$1,805 USD

As of November 1, 2026

Save €3,975 EUR (71%) vs most expensive(unlock to see where)

13 retailers carry this diamond

Most expensive: €9,425 EUR at Brilliant Earth · As of October 31, 2026

View at Brilliant Earth

About this 3.51ct lab-grown heart diamond

This 3.51ct lab-grown heart sits in the three to five carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG843692584 or 843692584. Listed at 13 retailers as of November 1, 2026, with a 246% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.51

Carat

Color

VVS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle38.5°

Pavilion angle37.4°

OriginLab Grown

Grading LabIGI

CertificateIGI LG843692584

Dimensions10.48 × 9.16 × 6.13 mm

L/W Ratio1.14

Girdle conditionFaceted

Cert comments

As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG843692584

Side View

Caratlytics Score

How it works →

Excellent

Excellent quality and great value

Unlock full score analysis

See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1

Current: €9,425 EUR|Low: €1,616 EUR|High: €9,425 EUR|Avg: €3,473 EUR

Brilliant Earth

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

Retailer 13

November 2, 2026

Retailer 10€1,616 EUR

Retailer 11€1,768 EUR

Retailer 3€1,936 EUR

Retailer 6€2,141 EUR

Retailer 7€2,372 EUR

Retailer 2€2,633 EUR

Retailer 13€3,047 EUR

Retailer 9€3,779 EUR

Retailer 5€4,104 EUR

Retailer 4€4,304 EUR

Retailer 8€4,780 EUR

Retailer 12€5,591 EUR

Brilliant Earth€9,425 EUR

20 data points across 13 retailers

13 retailers€1,616 EUR to €5,591 EUR

Cheapest Retailer

€1,616 EUR

$1,805 USD

Final sale: no returns

B+

Retailer 2

€1,768 EUR

$1,975 USD

View

B+

Retailer 3

€1,936 EUR

HK$16,900 HKD

View

B+

Retailer 4

€2,141 EUR

£1,883 GBP

View

B+

Retailer 5

€2,372 EUR

£2,086 GBP

View

B+

Retailer 6

€2,633 EUR

$2,942 USD

View

B+

Retailer 7

€3,047 EUR

$3,404 USD

View

Retailer 8

€3,779 EUR

A$6,496 AUD

View

Retailer 9

€4,104 EUR

ZAR 74,065 ZAR

View

Retailer 10

€4,304 EUR

$4,808 USD

View

Retailer 11

€4,780 EUR

£4,205 GBP

View

Retailer 12

€5,591 EUR

SGD 8,441 SGD

View

Most Expensive

Brilliant Earth

21813260A · Oct 31

€9,425 EUR

$10,530 USD

View

Price under review

12 more retailers have this diamond

Prices start from €1,616 EURSave up to €3,975 EUR

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

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3.51ct Heart

€1,616 EUR