Heart|Lab Grown|IGI

3.51ct D FL Heart Lab Grown Diamond

EX • D/FL • IGI LG792676493

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG792676493

Diamond specifications and retailer prices

From €3,751 EUR

$4,191 USD

As of October 30, 2026

Save €11,304 EUR (75%) vs most expensive(unlock to see where)

15 retailers carry this diamond

Most expensive: €15,055 EUR at Brilliant Earth · As of October 30, 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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG792676493 or 792676493. Listed at 15 retailers as of October 30, 2026, with prices from €3,751 to €15,055, a €11,304 spread on the same certified stone. Brilliant Earth lists it at €15,055. 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

Colour

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.9°

Pavilion angle41.3°

OriginLab Grown

Grading LabIGI

CertificateIGI LG792676493

Dimensions9.55 × 10.55 × 6.07 mm

L/W Ratio1.10

Girdle conditionFaceted

Culet sizePointed

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

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG792676493

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: Oct 30

Current: €15,055 EUR|Low: €3,751 EUR|High: €15,055 EUR|Avg: €7,911 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

Retailer 14

October 31, 2026

Retailer 5€3,751 EUR

Retailer 3€3,952 EUR

Retailer 4€4,058 EUR

Retailer 9€4,274 EUR

Retailer 14€4,713 EUR

Retailer 2€4,837 EUR

Retailer 13€5,818 EUR

Retailer 11€6,415 EUR

Retailer 12€8,510 EUR

Retailer 8€9,158 EUR

Retailer 10€9,175 EUR

Retailer 7€13,548 EUR

Retailer 6€13,979 EUR

Brilliant Earth€15,055 EUR

42 data points across 14 retailers

15 retailers€3,751 EUR to €15,055 EUR

Cheapest Retailer

€3,751 EUR

$4,191 USD

Retailer 2

€3,952 EUR

$4,415 USD

View

Price last confirmed 19 days ago

Retailer 3

€4,058 EUR

$4,534 USD

View

B+

Retailer 4

€4,274 EUR

HK$37,300 HKD

View

B+

Retailer 5

€4,713 EUR

$5,265 USD

View

B+

Retailer 6

€4,837 EUR

£4,255 GBP

View

B+

Retailer 7

€5,818 EUR

$6,500 USD

View

B+

Retailer 8

€6,415 EUR

View

B+

Retailer 9

€8,510 EUR

£7,486 GBP

View

B+

Retailer 10

€8,741 EUR

$9,766 USD

View

B+

Retailer 11

€9,158 EUR

$10,231 USD

View

B+

Retailer 12

€9,175 EUR

ZAR 165,588 ZAR

View

Retailer 13

€13,548 EUR

$15,136 USD

View

Retailer 14

€13,979 EUR

$15,618 USD

View

Most Expensive

Brilliant Earth

19356652A · Oct 30

€15,055 EUR

$16,820 USD

View

14 more retailers have this diamond

Prices start from €3,751 EURSave up to €11,304 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

€3,751 EUR