Heart|Lab Grown|IGI

4.02ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG804660278

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG804660278

Diamond specifications and retailer prices

From €3,494 EUR
$3,904 USD
As of October 30, 2026
Save €20,646 EUR (86%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €24,141 EUR at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 4.02ct lab-grown heart diamond

This 4.02ct 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 LG804660278 or 804660278. Listed at 13 retailers as of October 30, 2026, with prices from €3,494 to €24,141, a €20,646 spread on the same certified stone. Do Amore Diamonds lists it at €24,141. 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

4.02
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804660278
Dimensions10.88 × 9.82 × 6.50 mm
L/W Ratio1.11
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
Top View
10.88 mm9.82 mm4.02 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804660278
Side View
Table 58.0%Crown 35.7°Girdle: STK-THKPavilion 39.3°Culet: NoneDepth 59.7%

Caratlytics Score

How it works →
A
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: €24,141 EUR|Low: €3,494 EUR|High: €27,032 EUR|Avg: €8,388 EUR|-10.7%
Do Amore Diamonds
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 9€3,494 EUR
Retailer 4€3,678 EUR
Retailer 12€3,792 EUR
Retailer 2€3,913 EUR
Retailer 3€4,122 EUR
Retailer 5€4,622 EUR
Retailer 13€5,399 EUR
Retailer 14€5,615 EUR
Retailer 11€6,305 EUR
Retailer 7€7,695 EUR
Retailer 6€8,825 EUR
Retailer 10€9,353 EUR
Retailer 8€11,905 EUR
Do Amore Diamonds€24,141 EUR

31 data points across 14 retailers

13 retailers€3,494 EUR to €24,141 EUR

A
Cheapest Retailer
-
€3,494 EUR
$3,904 USD
A
Retailer 2
-
€3,678 EUR
$4,109 USD
View
A
Retailer 3
-
€3,792 EUR
$4,236 USD
View
A
Retailer 4
-
€3,913 EUR
$4,372 USD
View
A
Retailer 5
-
€4,122 EUR
$4,605 USD
View
A
Retailer 6
-
€4,622 EUR
$5,164 USD
View
Final sale: no returns
A
Retailer 7
-
€5,399 EUR
$6,032 USD
View
A
Retailer 8
-
€5,615 EUR
$6,273 USD
View
A
Retailer 9
-
€6,305 EUR
$7,044 USD
View
A
Retailer 10
-
€7,695 EUR
View
B+
Retailer 11
-
€9,353 EUR
£8,228 GBP
View
B+
Retailer 12
-
€11,905 EUR
$13,300 USD
View
Most Expensive
B
Do Amore Diamonds
27-24C75829B · Oct 31
€24,141 EUR
$26,970 USD
View
12 more retailers have this diamond
Prices start from €3,494 EURSave up to €20,646 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.

A
4.02ct Heart
€3,494 EUR