Heart|Lab Grown|IGI

4.01ct E SI2 Heart Lab Grown Diamond

ID • E/SI2 • IGI LG768623965

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG768623965

Diamond specifications and retailer prices

From £308 GBP
As of October 27, 2026
Save £1,086 GBP (78%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £1,881 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 4.01ct lab-grown heart diamond

This 4.01ct lab-grown heart sits in the three to five carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG768623965 or 768623965. Listed at 17 retailers as of October 26, 2026, with a 352% 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

4.01
Carat
E
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768623965
Dimensions10.14 × 10.83 × 6.47 mm
L/W Ratio1.07
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.14 mm10.83 mm4.01 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768623965
Side View
Table 62.0%Crown 34.4°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 59.7%

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 27
Current: £1,881 GBP|Low: £276 GBP|High: £3,545 GBP|Avg: £859 GBP|-46.9%
Brilliant Earth
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
October 30, 2026
Retailer 16£287 GBP
Retailer 9£308 GBP
Retailer 3£322 GBP
Retailer 14£322 GBP
Retailer 8£392 GBP
Retailer 2£551 GBP
Retailer 15£566 GBP
Retailer 6£613 GBP
Retailer 10£642 GBP
Retailer 12£848 GBP
Retailer 13£857 GBP
Retailer 5£955 GBP
Retailer 7£1,137 GBP
Retailer 4£1,146 GBP
Retailer 11£1,394 GBP
Brilliant Earth£1,881 GBP

42 data points across 16 retailers

17 retailers£308 GBP to £1,394 GBP

Retailer 1
-
£287 GBP
$385 USD
Price last confirmed 13 days ago
A
Retailer 2
-
£308 GBP
View
Retailer 3
-
£322 GBP
$431 USD
View
Price last confirmed 15 days ago
A
Retailer 4
-
£322 GBP
$431 USD
View
Final sale: no returns
Retailer 5
-
£357 GBP
$478 USD
View
Price last confirmed 27 days ago
A
Retailer 6
-
£392 GBP
HK$4,100 HKD
View
A
Retailer 7
-
£551 GBP
€703 EUR
View
B+
Retailer 8
-
£566 GBP
$759 USD
View
B+
Retailer 9
-
£613 GBP
$822 USD
View
B+
Retailer 10
-
£642 GBP
View
B+
Retailer 11
-
£848 GBP
A$1,748 AUD
View
B+
Retailer 12
-
£857 GBP
$1,148 USD
View
B
Retailer 13
-
£955 GBP
$1,279 USD
View
B
Retailer 14
-
£1,137 GBP
SGD 2,059 SGD
View
Retailer 15
-
£1,146 GBP
$1,535 USD
View
Price last confirmed 13 days ago
B
Retailer 16
-
£1,394 GBP
View
Most Expensive
Brilliant Earth
17829911A · Oct 30
£1,881 GBP
$2,520 USD
View
Price under review
16 more retailers have this diamond
Prices start from £308 GBPSave up to £1,086 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
4.01ct Heart
£308 GBP