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Heart|Lab Grown|IGI

1.03ct F IF Heart Lab Grown Diamond

ID • F/IF • IGI LG837632530

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG837632530

Diamond specifications and retailer prices

From £361 GBP
$484 USD
As of November 1, 2026
Save £493 GBP (58%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £854 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1.03ct lab-grown heart diamond

This 1.03ct lab-grown heart sits in the classic one-carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG837632530 or 837632530. Listed at 8 retailers as of November 1, 2026, with prices from £361 to £854, a £493 spread on the same certified stone. MOH London lists it at £854. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle42.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837632530
Dimensions6.06 × 7.10 × 4.12 mm
L/W Ratio1.17
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
6.06 mm7.10 mm1.03 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837632530
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 42.6°Culet: NoneDepth 58.0%

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: Nov 1
Current: £854 GBP|Low: £355 GBP|High: £898 GBP|Avg: £582 GBP|-4.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 5£361 GBP
Retailer 4£387 GBP
Retailer 2£401 GBP
Retailer 3£452 GBP
Retailer 8£719 GBP
Retailer 7£724 GBP
Retailer 6£736 GBP
MOH London£854 GBP

39 data points across 8 retailers

8 retailers£361 GBP to £854 GBP

A
Cheapest Retailer
-
£361 GBP
$484 USD
A
Retailer 2
-
£387 GBP
$519 USD
View
A
Retailer 3
-
£401 GBP
View
A
Retailer 4
-
£452 GBP
$607 USD
View
Retailer 5
-
£719 GBP
A$1,485 AUD
View
Price last confirmed 24 days ago
B+
Retailer 6
-
£724 GBP
$971 USD
View
B+
Retailer 7
-
£736 GBP
$988 USD
View
Most Expensive
B+
MOH London
LG837632530 · Nov 1
£854 GBP
View
7 more retailers have this diamond
Prices start from £361 GBPSave up to £493 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
1.03ct Heart
£361 GBP