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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 $4,246 USD
As of October 29, 2026
Save $21,844 USD (84%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $26,090 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 LG780667820 or 780667820. Listed at 20 retailers as of October 29, 2026, with prices from $4,246 to $26,090, a $21,844 spread on the same certified stone. Do Amore Diamonds lists it at $26,090. 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 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $26,090 USD|Low: $4,019 USD|High: $34,580 USD|Avg: $12,734 USD|-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
October 29, 2026
Retailer 6$4,246 USD
Retailer 10$4,410 USD
Retailer 13$4,545 USD
Retailer 7$5,349 USD
Retailer 11$5,833 USD
Retailer 14$6,279 USD
Retailer 8$6,280 USD
Retailer 9$10,105 USD
Retailer 2$10,332 USD
Retailer 4$10,791 USD
Retailer 3$12,107 USD
Retailer 5$17,270 USD
Retailer 12$19,120 USD
Retailer 15$21,622 USD
Do Amore Diamonds$26,090 USD

32 data points across 15 retailers

20 retailers$4,246 USD to $26,090 USD

A
Cheapest Retailer
-
$4,246 USD
Final sale: no returns
A
Retailer 2
-
$4,410 USD
View
A
Retailer 3
-
$4,545 USD
View
Retailer 4
-
$4,611 USD
View
Price last confirmed 22 days ago
Retailer 5
-
$4,833 USD
View
Price last confirmed 31 days ago
Retailer 6
-
$5,349 USD
View
Price last confirmed 27 days ago
Retailer 7
-
$5,349 USD
View
Price last confirmed 17 days ago
A
Retailer 8
-
$5,833 USD
View
A
Retailer 9
-
$6,279 USD
View
A
Retailer 10
-
$6,280 USD
£4,945 GBP
View
Retailer 11
-
$7,009 USD
View
Price last confirmed 29 days ago
B+
Retailer 12
-
$10,105 USD
£7,957 GBP
View
B+
Retailer 13
-
$10,332 USD
ZAR 166,910 ZAR
View
B+
Retailer 14
-
$10,791 USD
View
B+
Retailer 15
-
$12,107 USD
View
B+
Retailer 16
-
$17,270 USD
View
B
Retailer 17
-
$19,120 USD
View
Retailer 18
-
$19,120 USD
View
Price last confirmed 18 days ago
B+
Retailer 19
-
$21,622 USD
View
Most Expensive
B
Do Amore Diamonds
27-F50412EF9 · Oct 29
$26,090 USD
View
19 more retailers have this diamond
Prices start from $4,246 USDSave up to $21,844 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
$4,246 USD