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Radiant|Lab Grown|IGI

5.03ct E SI1 Radiant Lab Grown Diamond

EX • E/SI1 • IGI LG602372626

Shape and cutting style on the report: Cut cornered rectangular mixed cut

Certificate IGI LG602372626

Diamond specifications and retailer prices

From £582 GBP
$780 USD
As of October 30, 2026
Save £1,962 GBP (77%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £2,544 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 5.03ct lab-grown radiant diamond

This 5.03ct lab-grown radiant sits in the over five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG602372626 or 602372626. Listed at 17 retailers as of October 29, 2026, with prices from £582 to £2,544, a £1,962 spread on the same certified stone. MOH London lists it at £2,544. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

5.03
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG602372626
Dimensions12.71 × 7.65 × 4.75 mm
L/W Ratio1.66
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
12.71 mm7.65 mm5.03 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG602372626
Side View
Table 69.0%Crown 32.3°Girdle: MED-STKPavilionCulet: LargeDepth 62.1%

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: £2,544 GBP|Low: £423 GBP|High: £2,544 GBP|Avg: £1,101 GBP|+10.5%
MOH London
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
October 30, 2026
Retailer 9£552 GBP
Retailer 4£582 GBP
Retailer 15£633 GBP
Retailer 17£651 GBP
Retailer 10£675 GBP
Retailer 8£703 GBP
Retailer 5£783 GBP
Retailer 11£806 GBP
Retailer 3£956 GBP
Retailer 2£1,033 GBP
Retailer 14£1,546 GBP
Retailer 6£1,605 GBP
Retailer 12£1,898 GBP
Retailer 13£2,166 GBP
Retailer 7£2,270 GBP
Retailer 16£2,332 GBP
MOH London£2,544 GBP

39 data points across 17 retailers

17 retailers£582 GBP to £2,544 GBP

Retailer 1
-
£552 GBP
$740 USD
Price last confirmed 14 days ago
A
Retailer 2
-
£582 GBP
$780 USD
View
A
Retailer 3
-
£633 GBP
$848 USD
View
A
Retailer 4
-
£651 GBP
$872 USD
View
Final sale: no returns
B+
Retailer 5
-
£675 GBP
$904 USD
View
B+
Retailer 6
-
£703 GBP
$942 USD
View
B+
Retailer 7
-
£783 GBP
HK$8,200 HKD
View
A
Retailer 8
-
£806 GBP
$1,080 USD
View
B+
Retailer 9
-
£956 GBP
$1,281 USD
View
B+
Retailer 10
-
£1,033 GBP
View
B
Retailer 11
-
£1,546 GBP
$2,072 USD
View
B
Retailer 12
-
£1,605 GBP
$2,151 USD
View
B
Retailer 13
-
£1,898 GBP
$2,543 USD
View
B
Retailer 14
-
£2,166 GBP
$2,902 USD
View
B
Retailer 15
-
£2,270 GBP
SGD 4,110 SGD
View
B
Retailer 16
-
£2,332 GBP
$3,125 USD
View
Most Expensive
B
MOH London
LG602372626 · Oct 29
£2,544 GBP
View
16 more retailers have this diamond
Prices start from £582 GBPSave up to £1,962 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
5.03ct Radiant
£582 GBP