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Radiant|Lab Grown|IGI

2.31ct F IF Radiant Lab Grown Diamond

ID • F/IF • IGI LG7491440634

Certificate IGI LG7491440634

Diamond specifications and retailer prices

From £1,665 GBP
$2,234 USD
As of November 2, 2026
Save £2,218 GBP (57%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £3,882 GBP at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 2.31ct lab-grown radiant diamond

This 2.31ct lab-grown radiant sits in the two to three carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG7491440634 or 7491440634. Listed at 6 retailers as of November 2, 2026, with prices from £1,665 to £3,882, a £2,218 spread on the same certified stone. Brilliant Earth lists it at £3,882. 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

2.31
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG7491440634
Dimensions8.91 × 6.59 × 4.56 mm
L/W Ratio1.35
Girdle conditionPolished
Culet sizeNone
Cert comments
This is a man-made diamond.
Key to symbols
Minor Details of Polish
Top View
8.91 mm6.59 mm2.31 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG7491440634
Side View
Table 60.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 69.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £3,882 GBP|Low: £1,600 GBP|High: £7,702 GBP|Avg: £2,963 GBP|-17.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 3£1,665 GBP
Retailer 2£1,812 GBP
Retailer 4£1,932 GBP
Retailer 6£2,930 GBP
Retailer 5£3,868 GBP
Brilliant Earth£3,882 GBP

12 data points across 6 retailers

6 retailers£1,665 GBP to £3,882 GBP

B+
Cheapest Retailer
-
£1,665 GBP
$2,234 USD
B+
Retailer 2
-
£1,812 GBP
$2,431 USD
View
B+
Retailer 3
-
£1,932 GBP
$2,592 USD
View
B
Retailer 4
-
£2,930 GBP
$3,932 USD
View
B
Retailer 5
-
£3,868 GBP
$5,190 USD
View
Most Expensive
B
Brilliant Earth
10490202Y · Nov 2
£3,882 GBP
$5,210 USD
View
5 more retailers have this diamond
Prices start from £1,665 GBPSave up to £2,218 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.

B+
2.31ct Radiant
£1,665 GBP