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Round|Lab Grown|IGI

2.43ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG800614357

Shape and cutting style on the report: Round brilliant

Certificate IGI LG800614357

Diamond specifications and retailer prices

From £600 GBP
$804 USD
As of October 30, 2026
Save £2,803 GBP (82%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £3,403 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 2.43ct lab-grown round diamond

This 2.43ct 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 LG800614357 or 800614357. Listed at 6 retailers as of October 30, 2026, with prices from £600 to £3,403, a £2,803 spread on the same certified stone. Brilliant Earth lists it at £3,403. 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

2.43
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800614357
Dimensions8.64 × 8.60 × 5.30 mm
L/W Ratio1.00
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
8.64 mm8.60 mm2.43 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800614357
Side View
Table 58.0%Crown 35.7°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 61.5%

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 30
Current: £3,403 GBP|Low: £587 GBP|High: £3,508 GBP|Avg: £1,298 GBP|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 3£600 GBP
Retailer 4£620 GBP
Retailer 6£676 GBP
Retailer 7£740 GBP
Retailer 2£972 GBP
Retailer 10£1,192 GBP
Retailer 9£1,458 GBP
Retailer 5£1,481 GBP
Retailer 8£1,849 GBP
Brilliant Earth£3,403 GBP

21 data points across 10 retailers

6 retailers£600 GBP to £3,403 GBP

A
Cheapest Retailer
-
£600 GBP
$804 USD
A
Retailer 2
-
£620 GBP
$831 USD
View
A
Retailer 3
-
£676 GBP
€862 EUR
View
A
Retailer 4
-
£972 GBP
$1,303 USD
View
B+
Retailer 5
-
£1,481 GBP
View
Most Expensive
B
Brilliant Earth
20194054A · Oct 31
£3,403 GBP
$4,560 USD
View
5 more retailers have this diamond
Prices start from £600 GBPSave up to £2,803 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
2.43ct Round
£600 GBP