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 $3,904 USD
As of October 30, 2026
Save $23,066 USD (86%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $26,970 USD at Do Amore Diamonds · As of October 29, 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 29, 2026, with prices from $3,904 to $26,970, a $23,066 spread on the same certified stone. Do Amore Diamonds lists it at $26,970. 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
Color
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: $26,970 USD|Low: $3,904 USD|High: $30,200 USD|Avg: $9,644 USD|-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 30, 2026
Retailer 7$3,904 USD
Retailer 3$4,109 USD
Retailer 11$4,236 USD
Retailer 4$4,373 USD
Retailer 14$4,605 USD
Retailer 5$5,164 USD
Retailer 12$6,032 USD
Retailer 13$6,273 USD
Retailer 10$7,044 USD
Retailer 8$8,667 USD
Retailer 6$9,859 USD
Retailer 9$10,450 USD
Retailer 2$13,300 USD
Do Amore Diamonds$26,970 USD

30 data points across 14 retailers

13 retailers$3,904 USD to $26,970 USD

A
Cheapest Retailer
-
$3,904 USD
A
Retailer 2
-
$4,109 USD
View
A
Retailer 3
-
$4,236 USD
View
A
Retailer 4
-
$4,373 USD
View
A
Retailer 5
-
$4,605 USD
View
A
Retailer 6
-
$5,164 USD
View
Final sale: no returns
A
Retailer 7
-
$6,032 USD
View
A
Retailer 8
-
$6,273 USD
View
A
Retailer 9
-
$7,044 USD
View
A
Retailer 10
-
$8,667 USD
€8,254 EUR
View
B+
Retailer 11
-
$10,450 USD
£8,228 GBP
View
B+
Retailer 12
-
$13,300 USD
View
Most Expensive
B
Do Amore Diamonds
27-24C75829B · Oct 29
$26,970 USD
View
12 more retailers have this diamond
Prices start from $3,904 USDSave up to $23,066 USD

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
$3,904 USD