Heart|Lab Grown|IGI

2.39ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG840632416

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG840632416

Diamond specifications and retailer prices

From £909 GBP
$1,218 USD
As of October 30, 2026
Save £4,256 GBP (82%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £5,165 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 2.39ct lab-grown heart diamond

This 2.39ct lab-grown heart sits in the two to three carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG840632416 or 840632416. Listed at 19 retailers as of October 30, 2026, with prices from £909 to £5,165, a £4,256 spread on the same certified stone. Brilliant Earth lists it at £5,165. 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

2.39
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.1°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840632416
Dimensions8.04 × 9.16 × 5.46 mm
L/W Ratio1.14
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
8.04 mm9.16 mm2.39 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840632416
Side View
Table 57.0%Crown 39.1°Girdle: MED-THKPavilion 38°Culet: NoneDepth 59.6%

Caratlytics Score

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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: £5,165 GBP|Low: £909 GBP|High: £6,239 GBP|Avg: £2,433 GBP|-17.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 11
Retailer 12
Retailer 13
Retailer 14
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Retailer 19
October 30, 2026
Retailer 7£909 GBP
Retailer 19£990 GBP
Retailer 4£1,046 GBP
Retailer 16£1,055 GBP
Retailer 2£1,164 GBP
Retailer 15£1,183 GBP
Retailer 6£1,220 GBP
Retailer 12£1,531 GBP
Retailer 9£1,673 GBP
Retailer 18£1,875 GBP
Retailer 17£1,977 GBP
Retailer 10£2,021 GBP
Retailer 13£2,721 GBP
Retailer 8£2,919 GBP
Retailer 14£3,407 GBP
Retailer 11£3,690 GBP
Retailer 3£3,698 GBP
Retailer 5£3,999 GBP
Brilliant Earth£5,165 GBP

17 data points across 19 retailers

19 retailers£909 GBP to £5,165 GBP

A
Cheapest Retailer
-
£909 GBP
$1,218 USD
A
Retailer 2
-
£990 GBP
$1,326 USD
View
A
Retailer 3
-
£1,046 GBP
$1,402 USD
View
Final sale: no returns
A
Retailer 4
-
£1,055 GBP
$1,413 USD
View
A
Retailer 5
-
£1,164 GBP
View
A
Retailer 6
-
£1,183 GBP
$1,585 USD
View
A
Retailer 7
-
£1,220 GBP
$1,634 USD
View
A
Retailer 8
-
£1,531 GBP
View
B+
Retailer 9
-
£1,673 GBP
$2,242 USD
View
B+
Retailer 10
-
£1,875 GBP
$2,512 USD
View
B+
Retailer 11
-
£1,977 GBP
$2,649 USD
View
B+
Retailer 12
-
£2,021 GBP
$2,708 USD
View
B+
Retailer 13
-
£2,721 GBP
ZAR 58,909 ZAR
View
B+
Retailer 14
-
£2,919 GBP
$3,911 USD
View
B+
Retailer 15
-
£3,407 GBP
View
B
Retailer 16
-
£3,690 GBP
SGD 6,681 SGD
View
B
Retailer 17
-
£3,698 GBP
$4,955 USD
View
B
Retailer 18
-
£3,999 GBP
$5,358 USD
View
Most Expensive
B
Brilliant Earth
21827015A · Oct 30
£5,165 GBP
$6,920 USD
View
18 more retailers have this diamond
Prices start from £909 GBPSave up to £4,256 GBP

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
2.39ct Heart
£909 GBP