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Heart|Lab Grown|IGI

1.03ct F VS1 Heart Lab Grown Diamond

ID • F/VS1 • IGI LG841644611

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG841644611

Diamond specifications and retailer prices

From £207 GBP
As of November 4, 2026
Save £506 GBP (71%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £713 GBP at MOH London · As of November 4, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG841644611 or 841644611. Listed at 8 retailers as of November 4, 2026, with prices from £207 to £713, a £506 spread on the same certified stone. MOH London lists it at £713. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841644611
Dimensions6.96 × 6.56 × 3.98 mm
L/W Ratio1.06
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
6.96 mm6.56 mm1.03 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841644611
Side View
Table 67.0%Crown 35.6°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 57.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £713 GBP|Low: £207 GBP|High: £722 GBP|Avg: £378 GBP|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 8£207 GBP
Retailer 5£245 GBP
Retailer 3£264 GBP
Retailer 2£268 GBP
Retailer 4£290 GBP
Retailer 7£501 GBP
Retailer 6£531 GBP
MOH London£713 GBP

24 data points across 8 retailers

8 retailers£207 GBP to £713 GBP

B+
Cheapest Retailer
-
£207 GBP
A
Retailer 2
-
£245 GBP
View
A
Retailer 3
-
£264 GBP
View
B+
Retailer 4
-
£268 GBP
View
B+
Retailer 5
-
£290 GBP
View
B
Retailer 6
-
£501 GBP
View
B
Retailer 7
-
£531 GBP
View
Most Expensive
B
MOH London
LG841644611 · Nov 4
£713 GBP
View
7 more retailers have this diamond
Prices start from £207 GBPSave up to £506 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
£207 GBP