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Round|Lab Grown|IGI

2.40ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG845699633

Shape and cutting style on the report: Round brilliant

Certificate IGI LG845699633

Diamond specifications and retailer prices

From £478 GBP
$640 USD
As of October 31, 2026
Save £3,164 GBP (87%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £3,642 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 LG845699633 or 845699633. Listed at 19 retailers as of October 29, 2026, with prices from £478 to £3,642, a £3,164 spread on the same certified stone. Brilliant Earth lists it at £3,642. 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 angle35°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845699633
Dimensions8.60 × 8.52 × 5.30 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
8.60 mm8.52 mm2.40 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845699633
Side View
Table 57.0%Crown 35°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £529 GBP|Low: £478 GBP|High: £2,308 GBP|Avg: £1,252 GBP
Retailer 1
Retailer 2
Retailer 3
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Retailer 5
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Retailer 11
Retailer 12
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Retailer 18
October 31, 2026
Retailer 17£478 GBP
Retailer 1£529 GBP
Retailer 6£573 GBP
Retailer 16£590 GBP
Retailer 12£627 GBP
Retailer 3£795 GBP
Retailer 10£814 GBP
Retailer 2£823 GBP
Retailer 15£1,174 GBP
Retailer 8£1,197 GBP
Retailer 5£1,276 GBP
Retailer 14£1,312 GBP
Retailer 13£1,391 GBP
Retailer 18£1,671 GBP
Retailer 7£1,703 GBP
Retailer 9£1,713 GBP
Retailer 11£2,273 GBP
Retailer 4£2,308 GBP

11 data points across 18 retailers

19 retailers£478 GBP to £3,642 GBP

A
Cheapest Retailer
-
£478 GBP
$640 USD
Final sale: no returns
A
Retailer 2
-
£529 GBP
$709 USD
View
A
Retailer 3
-
£573 GBP
HK$6,000 HKD
View
A
Retailer 4
-
£590 GBP
View
A
Retailer 5
-
£627 GBP
$840 USD
View
A
Retailer 6
-
£795 GBP
€1,015 EUR
View
A
Retailer 7
-
£814 GBP
$1,091 USD
View
A
Retailer 8
-
£823 GBP
View
A
Retailer 9
-
£1,174 GBP
A$2,421 AUD
View
A
Retailer 10
-
£1,197 GBP
$1,604 USD
View
A
Retailer 11
-
£1,276 GBP
ZAR 27,623 ZAR
View
B+
Retailer 12
-
£1,312 GBP
$1,758 USD
View
B+
Retailer 13
-
£1,391 GBP
$1,864 USD
View
B+
Retailer 14
-
£1,671 GBP
SGD 3,026 SGD
View
B+
Retailer 15
-
£1,703 GBP
$2,282 USD
View
B+
Retailer 16
-
£1,713 GBP
$2,296 USD
View
B
Retailer 17
-
£2,273 GBP
A$4,686 AUD
View
B+
Retailer 18
-
£2,308 GBP
View
Most Expensive
B
Brilliant Earth
22283519A · Oct 29
£3,642 GBP
$4,880 USD
View
18 more retailers have this diamond
Prices start from £478 GBPSave up to £3,164 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
£478 GBP