Radiant|Lab Grown|IGI

2.43ct F FL Radiant Lab Grown Diamond

ID • F/FL • IGI LG825665163

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG825665163

Diamond specifications and retailer prices

From £592 GBP
$793 USD
As of October 31, 2026
Save £3,125 GBP (84%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £4,112 GBP at Rare Carat · As of October 11, 2026
View at Rare Carat

About this 2.43ct lab-grown radiant diamond

This 2.43ct lab-grown radiant sits in the two to three carat band, graded F colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG825665163 or 825665163. Listed at 22 retailers as of October 31, 2026, with a 528% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
F
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.8°
Pavilion angle36.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825665163
Dimensions9.07 × 6.67 × 4.61 mm
L/W Ratio1.36
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
9.07 mm6.67 mm2.43 ctF / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825665163
Side View
Table 65.0%Crown 45.8°Girdle: MediumPavilion 36.3°Culet: NoneDepth 69.1%

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: £4,067 GBP|Low: £592 GBP|High: £5,306 GBP|Avg: £1,869 GBP|-1.5%
Rare Carat
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
Retailer 17
Retailer 18
November 1, 2026
Retailer 6£592 GBP
Retailer 17£698 GBP
Retailer 5£774 GBP
Retailer 2£903 GBP
Retailer 18£922 GBP
Retailer 11£1,006 GBP
Retailer 10£1,105 GBP
Retailer 15£1,443 GBP
Retailer 13£1,457 GBP
Retailer 7£1,752 GBP
Retailer 4£1,852 GBP
Retailer 16£1,855 GBP
Retailer 8£1,948 GBP
Retailer 9£2,136 GBP
Retailer 3£2,263 GBP
Retailer 14£2,382 GBP
Retailer 12£3,717 GBP
Rare Carat£4,067 GBP

37 data points across 18 retailers

22 retailers£592 GBP to £3,717 GBP

A
Cheapest Retailer
-
£592 GBP
$793 USD
Final sale: no returns
A
Retailer 2
-
£698 GBP
$935 USD
View
A
Retailer 3
-
£774 GBP
$1,037 USD
View
A
Retailer 4
-
£903 GBP
View
Retailer 5
-
£914 GBP
$1,225 USD
View
Price last confirmed 29 days ago
A
Retailer 6
-
£922 GBP
$1,235 USD
View
A
Retailer 7
-
£1,006 GBP
€1,284 EUR
View
Retailer 8
-
£1,037 GBP
$1,389 USD
View
Price last confirmed 34 days ago
Retailer 9
-
£1,105 GBP
$1,481 USD
View
Price last confirmed 29 days ago
B+
Retailer 10
-
£1,443 GBP
$1,933 USD
View
B+
Retailer 11
-
£1,457 GBP
ZAR 31,533 ZAR
View
B+
Retailer 12
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£1,752 GBP
View
B+
Retailer 13
-
£1,852 GBP
$2,481 USD
View
B+
Retailer 14
-
£1,855 GBP
$2,486 USD
View
B+
Retailer 15
-
£1,948 GBP
$2,611 USD
View
Retailer 16
-
£2,071 GBP
$2,775 USD
View
Price last confirmed 31 days ago
B+
Retailer 17
-
£2,136 GBP
SGD 3,867 SGD
View
B
Retailer 18
-
£2,263 GBP
$3,032 USD
View
B+
Retailer 19
-
£2,382 GBP
View
B
Retailer 20
-
£3,717 GBP
$4,980 USD
View
Retailer 21
-
£4,067 GBP
$5,450 USD
View
Price last confirmed 13 days ago
Most Expensive
Rare Carat
JH1636651JJ825 · Oct 11
£4,112 GBP
$5,510 USD
View
Price last confirmed 21 days ago
21 more retailers have this diamond
Prices start from £592 GBPSave up to £3,125 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 Radiant
£592 GBP