Heart|Lab Grown|IGI

4.07ct E SI1 Heart Lab Grown Diamond

ID • E/SI1 • IGI LG835690884

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG835690884

Diamond specifications and retailer prices

From £403 GBP
As of October 30, 2026
Save £1,615 GBP (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £2,821 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 4.07ct lab-grown heart diamond

This 4.07ct lab-grown heart sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG835690884 or 835690884. Listed at 10 retailers as of October 29, 2026, with a 401% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

4.07
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835690884
Dimensions11.07 × 10.15 × 6.21 mm
L/W Ratio1.09
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.07 mm10.15 mm4.07 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG835690884
Side View
Table 61.0%Crown 33.2°Girdle: MED-STKPavilion 37.9°Culet: NoneDepth 56.1%

Caratlytics Score

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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: £2,821 GBP|Low: £401 GBP|High: £4,538 GBP|Avg: £1,379 GBP|-37.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 2£403 GBP
Retailer 6£582 GBP
Retailer 8£646 GBP
Retailer 3£745 GBP
Retailer 7£1,062 GBP
Retailer 5£1,240 GBP
Retailer 4£2,018 GBP
Brilliant Earth£2,821 GBP

13 data points across 8 retailers

10 retailers£403 GBP to £2,018 GBP

A
Cheapest Retailer
-
£403 GBP
A
Retailer 2
-
£481 GBP
$644 USD
View
A
Retailer 3
-
£582 GBP
$780 USD
View
B+
Retailer 4
-
£646 GBP
$865 USD
View
B+
Retailer 5
-
£745 GBP
View
B
Retailer 6
-
£1,062 GBP
$1,423 USD
View
B
Retailer 7
-
£1,240 GBP
$1,662 USD
View
B
Retailer 8
-
£1,264 GBP
$1,694 USD
View
B
Retailer 9
-
£2,018 GBP
View
Most Expensive
Brilliant Earth
22205160A · Oct 30
£2,821 GBP
$3,780 USD
View
Price under review
9 more retailers have this diamond
Prices start from £403 GBPSave up to £1,615 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
4.07ct Heart
£403 GBP