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Heart|Lab Grown|IGI

2.37ct H SI1 Heart Lab Grown Diamond

EX • H/SI1 • IGI LG496120408

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG496120408

Diamond specifications and retailer prices

From £541 GBP
As of November 6, 2026
Save £775 GBP (59%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £1,316 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 2.37ct lab-grown heart diamond

This 2.37ct lab-grown heart sits in the two to three carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG496120408 or 496120408. Listed at 5 retailers as of November 5, 2026, with prices from £541 to £1,316, a £775 spread on the same certified stone. MOH London lists it at £1,316. 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

2.37
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG496120408
Dimensions8.50 × 9.07 × 5.31 mm
L/W Ratio1.07
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
8.50 mm9.07 mm2.37 ctH / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG496120408
Side View
Table 60.5%Crown 37.2°Girdle: STK-THKPavilion 39.9°Culet: NoneDepth 58.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: £1,316 GBP|Low: £448 GBP|High: £1,363 GBP|Avg: £867 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 7£448 GBP
Retailer 2£541 GBP
Retailer 3£609 GBP
Retailer 4£671 GBP
Retailer 5£1,115 GBP
MOH London£1,316 GBP
Retailer 6£1,363 GBP

13 data points across 7 retailers

5 retailers£541 GBP to £1,316 GBP

A
Cheapest Retailer
-
£541 GBP
A
Retailer 2
-
£609 GBP
View
A
Retailer 3
-
£671 GBP
View
A
Retailer 4
-
£1,115 GBP
View
Most Expensive
A
MOH London
LG496120408 · Nov 5
£1,316 GBP
View
4 more retailers have this diamond
Prices start from £541 GBPSave up to £775 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
2.37ct Heart
£541 GBP