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Round|Lab Grown|IGI

4.02ct F SI2 Round Lab Grown Diamond

ID • F/SI2 • IGI LG626499527

Shape and cutting style on the report: Round brilliant

Certificate IGI LG626499527

Diamond specifications and retailer prices

From £693 GBP
As of November 4, 2026
Save £1,160 GBP (63%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £1,853 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 4.02ct lab-grown round diamond

This 4.02ct lab-grown round sits in the three to five carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG626499527 or 626499527. Listed at 6 retailers as of November 4, 2026, with prices from £693 to £1,853, a £1,160 spread on the same certified stone. MOH London lists it at £1,853. 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

4.02
Carat
F
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG626499527
Dimensions10.25 × 10.19 × 6.26 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
10.25 mm10.19 mm4.02 ctF / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG626499527
Side View
Table 56.0%Crown 32.9°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.2%

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: Nov 4
Current: £1,853 GBP|Low: £667 GBP|High: £1,881 GBP|Avg: £1,044 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 5, 2026
Retailer 4£693 GBP
Retailer 5£693 GBP
Retailer 2£730 GBP
Retailer 6£939 GBP
Retailer 3£1,345 GBP
MOH London£1,853 GBP

42 data points across 6 retailers

6 retailers£693 GBP to £1,853 GBP

B+
Cheapest Retailer
-
£693 GBP
A
Retailer 2
-
£693 GBP
View
A
Retailer 3
-
£730 GBP
View
B+
Retailer 4
-
£939 GBP
View
B
Retailer 5
-
£1,345 GBP
View
Most Expensive
B
MOH London
LG626499527 · Nov 5
£1,853 GBP
View
5 more retailers have this diamond
Prices start from £693 GBPSave up to £1,160 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
4.02ct Round
£693 GBP