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Heart|Lab Grown|IGI

1.24ct E IF Heart Lab Grown Diamond

EX • E/IF • IGI LG735509855

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG735509855

Diamond specifications and retailer prices

From £221 GBP
$296 USD
As of October 27, 2026
Save £881 GBP (80%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £1,102 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.24ct lab-grown heart diamond

This 1.24ct lab-grown heart sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG735509855 or 735509855. Listed at 19 retailers as of October 27, 2026, with prices from £221 to £1,102, a £881 spread on the same certified stone. MOH London lists it at £1,102. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.24
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle36.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG735509855
Dimensions7.53 × 7.53 × 6.88 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.53 mm7.53 mm1.24 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG735509855
Side View
Table 57.0%Crown 35.3°Girdle: MED-STKPavilion 36.9°Culet: NoneDepth 56.0%

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: Oct 27
Current: £1,102 GBP|Low: £212 GBP|High: £1,110 GBP|Avg: £448 GBP|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 12£221 GBP
Retailer 4£256 GBP
Retailer 5£274 GBP
Retailer 13£274 GBP
Retailer 2£290 GBP
Retailer 3£367 GBP
Retailer 10£392 GBP
Retailer 7£450 GBP
Retailer 9£470 GBP
Retailer 6£485 GBP
Retailer 8£668 GBP
Retailer 11£841 GBP
MOH London£1,102 GBP

35 data points across 13 retailers

19 retailers£221 GBP to £1,102 GBP

A
Cheapest Retailer
-
£221 GBP
$296 USD
A
Retailer 2
-
£246 GBP
$330 USD
View
Final sale: no returns
A
Retailer 3
-
£256 GBP
$343 USD
View
A
Retailer 4
-
£274 GBP
$367 USD
View
A
Retailer 5
-
£274 GBP
$367 USD
View
A
Retailer 6
-
£290 GBP
View
A
Retailer 7
-
£367 GBP
$492 USD
View
A
Retailer 8
-
£392 GBP
$525 USD
View
A
Retailer 9
-
£450 GBP
€574 EUR
View
A
Retailer 10
-
£459 GBP
$615 USD
View
A
Retailer 11
-
£470 GBP
ZAR 10,178 ZAR
View
A
Retailer 12
-
£485 GBP
View
B+
Retailer 13
-
£625 GBP
$837 USD
View
B+
Retailer 14
-
£668 GBP
A$1,376 AUD
View
B
Retailer 15
-
£841 GBP
$1,127 USD
View
B
Retailer 16
-
£880 GBP
$1,179 USD
View
B
Retailer 17
-
£916 GBP
$1,227 USD
View
B
Retailer 18
-
£977 GBP
$1,309 USD
View
Most Expensive
B
MOH London
LG735509855 · Oct 29
£1,102 GBP
View
18 more retailers have this diamond
Prices start from £221 GBPSave up to £881 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
1.24ct Heart
£221 GBP