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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 £610 GBP
$818 USD
As of October 26, 2026
Save £2,755 GBP (82%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £3,366 GBP 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 £610 to £3,366, a £2,755 spread on the same certified stone. Brilliant Earth lists it at £3,366. 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
Colour
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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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 26
Current: £3,366 GBP|Low: £278 GBP|High: £3,470 GBP|Avg: £1,188 GBP|-3.0%
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
October 19, 2026
Retailer 4£391 GBP
Retailer 5£434 GBP
Retailer 3£537 GBP
Retailer 14£610 GBP
Retailer 12£661 GBP
Retailer 10£699 GBP
Retailer 2£1,008 GBP
Retailer 13£1,039 GBP
Retailer 8£1,075 GBP
Retailer 15£1,171 GBP
Retailer 6£1,415 GBP
Retailer 9£1,523 GBP
Retailer 7£1,529 GBP
Retailer 11£1,611 GBP
Retailer 16£2,567 GBP
Brilliant Earth£3,366 GBP

27 data points across 16 retailers

19 retailers£610 GBP to £3,366 GBP

Retailer 1
-
£349 GBP
$468 USD
Price last confirmed 21 days ago
Retailer 2
-
£349 GBP
$468 USD
View
Price last confirmed 39 days ago
Retailer 3
-
£391 GBP
$524 USD
View
Price last confirmed 38 days ago
Retailer 4
-
£428 GBP
$573 USD
View
Price last confirmed 36 days ago
Retailer 5
-
£434 GBP
$581 USD
View
Price last confirmed 29 days ago
Retailer 6
-
£434 GBP
$581 USD
View
Price last confirmed 19 days ago
A
Retailer 7
-
£610 GBP
$818 USD
View
Retailer 8
-
£699 GBP
View
Price last confirmed 19 days ago
Retailer 9
-
£1,008 GBP
$1,351 USD
View
Price last confirmed 8 days ago
Retailer 10
-
£1,039 GBP
ZAR 22,488 ZAR
View
Price last confirmed 22 days ago
Retailer 11
-
£1,075 GBP
$1,440 USD
View
Price last confirmed 19 days ago
Retailer 12
-
£1,393 GBP
$1,866 USD
View
Price last confirmed 40 days ago
Retailer 13
-
£1,393 GBP
$1,866 USD
View
Price last confirmed 24 days ago
Retailer 14
-
£1,415 GBP
$1,896 USD
View
Price last confirmed 19 days ago
Retailer 15
-
£1,523 GBP
$2,040 USD
View
Price last confirmed 18 days ago
Retailer 16
-
£1,529 GBP
$2,049 USD
View
Price last confirmed 20 days ago
Retailer 17
-
£1,611 GBP
View
Price last confirmed 20 days ago
Retailer 18
-
£2,567 GBP
$3,440 USD
View
Price last confirmed 24 days ago
Most Expensive
B
Brilliant Earth
21054569A · Oct 29
£3,366 GBP
$4,510 USD
View
18 more retailers have this diamond
Prices start from £610 GBPSave up to £2,755 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
2.40ct Round
£610 GBP