Heart|Lab Grown|IGI

4.29ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG800677281

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG800677281

Diamond specifications and retailer prices

From €3,718 EUR

$4,154 USD

As of October 30, 2026

Save €21,971 EUR (86%) vs most expensive(unlock to see where)

12 retailers carry this diamond

Most expensive: €25,689 EUR at Do Amore Diamonds · As of October 30, 2026

View at Do Amore Diamonds

About this 4.29ct lab-grown heart diamond

This 4.29ct 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 LG800677281 or 800677281. Listed at 12 retailers as of October 30, 2026, with prices from €3,718 to €25,689, a €21,971 spread on the same certified stone. Do Amore Diamonds lists it at €25,689. 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

4.29

Carat

Color

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36.7°

Pavilion angle40.3°

OriginLab Grown

Grading LabIGI

CertificateIGI LG800677281

Dimensions11.11 × 9.70 × 6.69 mm

L/W Ratio1.15

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 LG800677281

Side View

Caratlytics Score

How it works →

Excellent

Excellent quality and great value

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

Price History

Last verified: Oct 30

Current: €25,689 EUR|Low: €3,718 EUR|High: €28,777 EUR|Avg: €9,349 EUR|-10.7%

Do Amore Diamonds

Retailer 2

Retailer 3

Retailer 4

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Retailer 6

Retailer 7

Retailer 8

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Retailer 11

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Retailer 13

Retailer 14

October 31, 2026

Retailer 8€3,718 EUR

Retailer 3€3,912 EUR

Retailer 11€4,027 EUR

Retailer 14€4,377 EUR

Retailer 2€4,392 EUR

Retailer 4€4,919 EUR

Retailer 12€5,635 EUR

Retailer 13€5,974 EUR

Retailer 10€6,705 EUR

Retailer 5€9,389 EUR

Retailer 9€9,951 EUR

Retailer 7€14,241 EUR

Retailer 6€14,365 EUR

Do Amore Diamonds€25,689 EUR

28 data points across 14 retailers

12 retailers€3,718 EUR to €25,689 EUR

Cheapest Retailer

€3,718 EUR

$4,154 USD

Retailer 2

€3,912 EUR

$4,371 USD

View

Retailer 3

€4,027 EUR

$4,499 USD

View

Retailer 4

€4,377 EUR

$4,890 USD

View

Retailer 5

€4,392 EUR

$4,907 USD

View

Retailer 6

€4,919 EUR

$5,496 USD

View

Final sale: no returns

Retailer 7

€5,635 EUR

$6,296 USD

View

Retailer 8

€5,974 EUR

$6,674 USD

View

Retailer 9

€6,705 EUR

$7,491 USD

View

B+

Retailer 10

€9,951 EUR

£8,754 GBP

View

B+

Retailer 11

€14,241 EUR

$15,910 USD

View

Most Expensive

Do Amore Diamonds

27-C03A24A2E · Oct 30

€25,689 EUR

$28,700 USD

View

11 more retailers have this diamond

Prices start from €3,718 EURSave up to €21,971 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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4.29ct Heart

€3,718 EUR