CaratHunter
Plans
Heart|Lab Grown|IGI

4.02ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG780667820

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG780667820

Diamond specifications and retailer prices

From €3,801 EUR
$4,246 USD
As of October 31, 2026
Save €19,552 EUR (84%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €23,353 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 LG780667820 or 780667820. Listed at 20 retailers as of October 31, 2026, with prices from €3,801 to €23,353, a €19,552 spread on the same certified stone. Do Amore Diamonds lists it at €23,353. 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 angle34.6°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780667820
Dimensions11.20 × 9.36 × 6.57 mm
L/W Ratio1.20
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
Top View
11.20 mm9.36 mm4.02 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780667820
Side View
Table 55.0%Crown 34.6°Girdle: STK-THKPavilion 39.1°Culet: NoneDepth 58.7%

Caratlytics Score

How it works →
A
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 31
Current: €23,353 EUR|Low: €3,597 EUR|High: €30,952 EUR|Avg: €11,245 EUR|-24.6%
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
Retailer 15
November 1, 2026
Retailer 6€3,801 EUR
Retailer 9€3,938 EUR
Retailer 13€4,068 EUR
Retailer 7€4,788 EUR
Retailer 11€5,221 EUR
Retailer 8€5,575 EUR
Retailer 14€5,620 EUR
Retailer 2€8,997 EUR
Retailer 10€9,248 EUR
Retailer 4€9,659 EUR
Retailer 3€10,837 EUR
Retailer 5€15,458 EUR
Retailer 12€17,114 EUR
Retailer 15€19,354 EUR
Do Amore Diamonds€23,353 EUR

33 data points across 15 retailers

20 retailers€3,801 EUR to €23,353 EUR

A
Cheapest Retailer
-
€3,801 EUR
$4,246 USD
Final sale: no returns
A
Retailer 2
-
€3,938 EUR
$4,400 USD
View
A
Retailer 3
-
€4,068 EUR
$4,545 USD
View
Retailer 4
-
€4,127 EUR
$4,611 USD
View
Price last confirmed 24 days ago
Retailer 5
-
€4,326 EUR
$4,833 USD
View
Price last confirmed 33 days ago
Retailer 6
-
€4,788 EUR
$5,349 USD
View
Price last confirmed 29 days ago
Retailer 7
-
€4,788 EUR
$5,349 USD
View
Price last confirmed 19 days ago
A
Retailer 8
-
€5,221 EUR
$5,833 USD
View
A
Retailer 9
-
€5,575 EUR
£4,904 GBP
View
A
Retailer 10
-
€5,620 EUR
$6,279 USD
View
Retailer 11
-
€6,274 EUR
$7,009 USD
View
Price last confirmed 31 days ago
B+
Retailer 12
-
€8,997 EUR
£7,915 GBP
View
B+
Retailer 13
-
€9,248 EUR
ZAR 166,910 ZAR
View
B+
Retailer 14
-
€9,659 EUR
$10,791 USD
View
B+
Retailer 15
-
€10,837 EUR
$12,107 USD
View
B+
Retailer 16
-
€15,458 EUR
$17,270 USD
View
B
Retailer 17
-
€17,114 EUR
$19,120 USD
View
Retailer 18
-
€17,114 EUR
$19,120 USD
View
Price last confirmed 20 days ago
B+
Retailer 19
-
€19,354 EUR
$21,622 USD
View
Most Expensive
B
Do Amore Diamonds
27-F50412EF9 · Oct 31
€23,353 EUR
$26,090 USD
View
19 more retailers have this diamond
Prices start from €3,801 EURSave up to €19,552 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
€3,801 EUR