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Heart|Lab Grown|IGI

2.31ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG840632380

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG840632380

Diamond specifications and retailer prices

From €1,055 EUR
$1,179 USD
As of October 30, 2026
Save €4,942 EUR (82%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €5,997 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 2.31ct lab-grown heart diamond

This 2.31ct 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 LG840632380 or 840632380. Listed at 20 retailers as of October 30, 2026, with prices from €1,055 to €5,997, a €4,942 spread on the same certified stone. Brilliant Earth lists it at €5,997. 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

2.31
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840632380
Dimensions7.91 × 9.09 × 5.44 mm
L/W Ratio1.15
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
7.91 mm9.09 mm2.31 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840632380
Side View
Table 58.0%Crown 37.2°Girdle: Slightly ThickPavilion 38.9°Culet: NoneDepth 59.8%

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: €5,997 EUR|Low: €1,055 EUR|High: €7,232 EUR|Avg: €2,784 EUR|-17.1%
Brilliant Earth
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 1, 2026
Retailer 7€1,055 EUR
Retailer 3€1,148 EUR
Retailer 11€1,213 EUR
Retailer 18€1,224 EUR
Retailer 2€1,347 EUR
Retailer 17€1,378 EUR
Retailer 12€1,407 EUR
Retailer 6€1,421 EUR
Retailer 13€1,761 EUR
Retailer 9€1,943 EUR
Retailer 20€2,113 EUR
Retailer 14€2,199 EUR
Retailer 19€2,293 EUR
Retailer 15€3,157 EUR
Retailer 8€3,511 EUR
Retailer 16€3,953 EUR
Retailer 10€4,279 EUR
Retailer 4€4,286 EUR
Retailer 5€4,636 EUR
Brilliant Earth€5,997 EUR

24 data points across 20 retailers

20 retailers€1,055 EUR to €5,997 EUR

A
Cheapest Retailer
-
€1,055 EUR
$1,179 USD
A
Retailer 2
-
€1,148 EUR
$1,282 USD
View
A
Retailer 3
-
€1,213 EUR
$1,355 USD
View
Final sale: no returns
A
Retailer 4
-
€1,224 EUR
$1,367 USD
View
A
Retailer 5
-
€1,347 EUR
£1,185 GBP
View
A
Retailer 6
-
€1,378 EUR
$1,540 USD
View
Retailer 7
-
€1,407 EUR
$1,572 USD
View
Price last confirmed 20 days ago
A
Retailer 8
-
€1,421 EUR
$1,588 USD
View
A
Retailer 9
-
€1,761 EUR
£1,549 GBP
View
B+
Retailer 10
-
€1,943 EUR
$2,171 USD
View
B+
Retailer 11
-
€2,113 EUR
$2,361 USD
View
B+
Retailer 12
-
€2,199 EUR
$2,457 USD
View
B+
Retailer 13
-
€2,293 EUR
$2,562 USD
View
B+
Retailer 14
-
€3,157 EUR
ZAR 56,982 ZAR
View
B+
Retailer 15
-
€3,511 EUR
$3,923 USD
View
B+
Retailer 16
-
€3,953 EUR
£3,477 GBP
View
B
Retailer 17
-
€4,279 EUR
SGD 6,460 SGD
View
B
Retailer 18
-
€4,286 EUR
$4,788 USD
View
B
Retailer 19
-
€4,636 EUR
$5,179 USD
View
Most Expensive
B
Brilliant Earth
21738461A · Oct 31
€5,997 EUR
$6,700 USD
View
19 more retailers have this diamond
Prices start from €1,055 EURSave up to €4,942 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
2.31ct Heart
€1,055 EUR