Round|Lab Grown|IGI

2.40ct E IF Round Lab Grown Diamond

EX • E/IF • IGI LG840666627

Shape and cutting style on the report: Round brilliant

Certificate IGI LG840666627

Diamond specifications and retailer prices

From $498 USD
As of October 29, 2026
Save $4,012 USD (89%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $4,510 USD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 2.4ct lab-grown round diamond

This 2.4ct lab-grown round sits in the two to three carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG840666627 or 840666627. Listed at 23 retailers as of October 29, 2026, with prices from $498 to $4,510, a $4,012 spread on the same certified stone. Brilliant Earth lists it at $4,510. 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

2.40
Carat
E
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.5°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840666627
Dimensions8.64 × 8.70 × 5.31 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.64 mm8.70 mm2.40 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840666627
Side View
Table 55.0%Crown 31.5°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 61.2%

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: $4,510 USD|Low: $478 USD|High: $8,060 USD|Avg: $1,666 USD|-44.0%
Brilliant Earth
Retailer 2
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Retailer 23
October 31, 2026
Retailer 4$498 USD
Retailer 6$557 USD
Retailer 11$557 USD
Retailer 3$617 USD
Retailer 12$617 USD
Retailer 18$689 USD
Retailer 22$755 USD
Retailer 7$825 USD
Retailer 2$936 USD
Retailer 5$960 USD
Retailer 13$1,023 USD
Retailer 19$1,370 USD
Retailer 17$1,430 USD
Retailer 21$1,489 USD
Retailer 10$1,578 USD
Retailer 14$1,623 USD
Retailer 9$2,010 USD
Retailer 16$2,027 USD
Retailer 8$2,143 USD
Retailer 23$2,143 USD
Retailer 20$2,590 USD
Retailer 15$3,470 USD
Brilliant Earth$4,510 USD

25 data points across 23 retailers

23 retailers$498 USD to $4,510 USD

A
Cheapest Retailer
-
$498 USD
A
Retailer 2
-
$557 USD
View
A
Retailer 3
-
$557 USD
View
Final sale: no returns
Retailer 4
-
$617 USD
View
Price last confirmed 15 days ago
A
Retailer 5
-
$617 USD
View
A
Retailer 6
-
$689 USD
£542 GBP
View
A
Retailer 7
-
$755 USD
View
A
Retailer 8
-
$825 USD
View
A
Retailer 9
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$936 USD
€891 EUR
View
A
Retailer 10
-
$960 USD
View
A
Retailer 11
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$1,023 USD
£806 GBP
View
A
Retailer 12
-
$1,370 USD
A$2,107 AUD
View
A
Retailer 13
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$1,430 USD
View
A
Retailer 14
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$1,489 USD
ZAR 24,050 ZAR
View
A
Retailer 15
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$1,578 USD
View
A
Retailer 16
-
$1,623 USD
View
B+
Retailer 17
-
$2,010 USD
View
B+
Retailer 18
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$2,012 USD
View
B+
Retailer 19
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$2,143 USD
View
B+
Retailer 20
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$2,143 USD
View
B+
Retailer 21
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$2,590 USD
£2,039 GBP
View
Retailer 22
-
$3,470 USD
View
Price last confirmed 24 days ago
Most Expensive
B
Brilliant Earth
21716845A · Oct 30
$4,510 USD
View
22 more retailers have this diamond
Prices start from $498 USDSave up to $4,012 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
2.40ct Round
$498 USD