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Heart|Lab Grown|IGI

4.02ct F SI1 Heart Lab Grown Diamond

ID • F/SI1 • IGI LG680583437

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG680583437

Diamond specifications and retailer prices

From £361 GBP
As of November 6, 2026
Save £1,503 GBP (81%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,864 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 4.02ct lab-grown heart diamond

This 4.02ct lab-grown heart sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG680583437 or 680583437. Listed at 13 retailers as of November 5, 2026, with prices from £361 to £1,864, a £1,503 spread on the same certified stone. MOH London lists it at £1,864. 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
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.2°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG680583437
Dimensions10.37 × 7.13 × 4.39 mm
L/W Ratio1.45
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.37 mm7.13 mm4.02 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG680583437
Side View
Table 54.0%Crown 39.2°Girdle: STK-THKPavilion 40.8°Culet: NoneDepth 63.5%

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: Nov 6
Current: £1,864 GBP|Low: £347 GBP|High: £1,891 GBP|Avg: £789 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 5£361 GBP
Retailer 9£404 GBP
Retailer 6£448 GBP
Retailer 3£553 GBP
Retailer 7£697 GBP
Retailer 2£736 GBP
Retailer 8£753 GBP
Retailer 10£854 GBP
Retailer 4£1,203 GBP
MOH London£1,864 GBP

40 data points across 10 retailers

13 retailers£361 GBP to £1,864 GBP

A
Cheapest Retailer
-
£361 GBP
A
Retailer 2
-
£404 GBP
View
Final sale: no returns
A
Retailer 3
-
£404 GBP
View
A
Retailer 4
-
£448 GBP
View
A
Retailer 5
-
£553 GBP
View
B+
Retailer 6
-
£697 GBP
View
B+
Retailer 7
-
£736 GBP
View
B+
Retailer 8
-
£753 GBP
View
B+
Retailer 9
-
£854 GBP
View
B
Retailer 10
-
£1,203 GBP
View
B
Retailer 11
-
£1,439 GBP
View
B
Retailer 12
-
£1,459 GBP
View
Most Expensive
B
MOH London
LG680583437 · Nov 5
£1,864 GBP
View
12 more retailers have this diamond
Prices start from £361 GBPSave up to £1,503 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 Heart
£361 GBP