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Heart|Lab Grown|IGI

1.53ct F FL Heart Lab Grown Diamond

EX • F/FL • IGI LG815698129

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG815698129

Diamond specifications and retailer prices

From £458 GBP
As of November 4, 2026
Save £2,002 GBP (81%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £2,461 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 1.53ct lab-grown heart diamond

This 1.53ct lab-grown heart sits in the one-and-a-half to two carat band, graded F colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG815698129 or 815698129. Listed at 22 retailers as of November 4, 2026, with prices from £458 to £2,461, a £2,002 spread on the same certified stone. MOH London lists it at £2,461. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.53
Carat
F
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815698129
Dimensions6.95 × 8.01 × 4.66 mm
L/W Ratio1.15
Girdle conditionFaceted
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
6.95 mm8.01 mm1.53 ctF / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815698129
Side View
Table 60.0%Crown 36.1°Girdle: MED-STKPavilion 38.6°Culet: NoneDepth 58.2%

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 4
Current: £2,461 GBP|Low: £458 GBP|High: £2,468 GBP|Avg: £1,149 GBP|+7.2%
MOH London
Retailer 2
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November 5, 2026
Retailer 10£458 GBP
Retailer 14£513 GBP
Retailer 18£513 GBP
Retailer 5£568 GBP
Retailer 12£575 GBP
Retailer 2£581 GBP
Retailer 19£665 GBP
Retailer 11£730 GBP
Retailer 20£845 GBP
Retailer 17£872 GBP
Retailer 15£881 GBP
Retailer 9£989 GBP
Retailer 3£1,246 GBP
Retailer 16£1,495 GBP
Retailer 8£1,833 GBP
Retailer 4£1,836 GBP
Retailer 6£1,913 GBP
Retailer 13£1,917 GBP
Retailer 7£2,016 GBP
MOH London£2,461 GBP

27 data points across 20 retailers

22 retailers£458 GBP to £2,461 GBP

A
Cheapest Retailer
-
£458 GBP
A
Retailer 2
-
£513 GBP
View
Final sale: no returns
A
Retailer 3
-
£513 GBP
View
A
Retailer 4
-
£568 GBP
View
Retailer 5
-
£575 GBP
View
Price last confirmed 21 days ago
A
Retailer 6
-
£581 GBP
View
A
Retailer 7
-
£665 GBP
View
B+
Retailer 8
-
£730 GBP
View
B+
Retailer 9
-
£845 GBP
View
B+
Retailer 10
-
£872 GBP
View
B+
Retailer 11
-
£881 GBP
View
B+
Retailer 12
-
£989 GBP
View
B
Retailer 13
-
£1,246 GBP
View
B+
Retailer 14
-
£1,495 GBP
View
B
Retailer 15
-
£1,744 GBP
View
B
Retailer 16
-
£1,746 GBP
View
B
Retailer 17
-
£1,833 GBP
View
B
Retailer 18
-
£1,836 GBP
View
B
Retailer 19
-
£1,913 GBP
View
B
Retailer 20
-
£1,917 GBP
View
B
Retailer 21
-
£2,016 GBP
View
Most Expensive
B
MOH London
LG815698129 · Nov 5
£2,461 GBP
View
21 more retailers have this diamond
Prices start from £458 GBPSave up to £2,002 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
1.53ct Heart
£458 GBP