Round|Lab Grown|IGI

2.40ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG815677084

Shape and cutting style on the report: Round brilliant

Certificate IGI LG815677084

Diamond specifications and retailer prices

From $818 USD
As of October 26, 2026
Save $3,692 USD (82%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $4,510 USD at Brilliant Earth · As of October 29, 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 LG815677084 or 815677084. Listed at 19 retailers as of October 26, 2026, with prices from $818 to $4,510, a $3,692 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815677084
Dimensions8.70 × 8.63 × 5.27 mm
L/W Ratio1.01
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
8.70 mm8.63 mm2.40 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815677084
Side View
Table 57.0%Crown 33.8°Girdle: MediumPavilion 41°Culet: NoneDepth 60.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 26
Current: $4,510 USD|Low: $373 USD|High: $4,650 USD|Avg: $1,591 USD|-3.0%
Brilliant Earth
Retailer 2
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Retailer 6
Retailer 7
Retailer 8
Retailer 9
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Retailer 11
Retailer 12
Retailer 13
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Retailer 16
October 19, 2026
Retailer 4$524 USD
Retailer 5$581 USD
Retailer 3$720 USD
Retailer 14$818 USD
Retailer 12$886 USD
Retailer 10$936 USD
Retailer 2$1,351 USD
Retailer 13$1,392 USD
Retailer 8$1,440 USD
Retailer 15$1,569 USD
Retailer 6$1,896 USD
Retailer 9$2,040 USD
Retailer 7$2,049 USD
Retailer 11$2,159 USD
Retailer 16$3,440 USD
Brilliant Earth$4,510 USD

28 data points across 16 retailers

19 retailers$818 USD to $4,510 USD

Retailer 1
-
$468 USD
Price last confirmed 20 days ago
Retailer 2
-
$468 USD
View
Price last confirmed 39 days ago
Retailer 3
-
$524 USD
View
Price last confirmed 37 days ago
Retailer 4
-
$573 USD
View
Price last confirmed 36 days ago
Retailer 5
-
$581 USD
View
Price last confirmed 28 days ago
Retailer 6
-
$581 USD
View
Price last confirmed 18 days ago
A
Retailer 7
-
$818 USD
View
Retailer 8
-
$936 USD
£737 GBP
View
Price last confirmed 19 days ago
Retailer 9
-
$1,351 USD
View
Price last confirmed 7 days ago
Retailer 10
-
$1,392 USD
ZAR 22,488 ZAR
View
Price last confirmed 22 days ago
Retailer 11
-
$1,440 USD
View
Price last confirmed 18 days ago
Retailer 12
-
$1,866 USD
View
Price last confirmed 40 days ago
Retailer 13
-
$1,866 USD
View
Price last confirmed 23 days ago
Retailer 14
-
$1,896 USD
View
Price last confirmed 18 days ago
Retailer 15
-
$2,040 USD
View
Price last confirmed 18 days ago
Retailer 16
-
$2,049 USD
View
Price last confirmed 20 days ago
Retailer 17
-
$2,159 USD
£1,700 GBP
View
Price last confirmed 20 days ago
Retailer 18
-
$3,440 USD
View
Price last confirmed 23 days ago
Most Expensive
B
Brilliant Earth
21054569A · Oct 29
$4,510 USD
View
18 more retailers have this diamond
Prices start from $818 USDSave up to $3,692 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
$818 USD