CaratHunter
Plans
Heart|Lab Grown|IGI

1.03ct F VS1 Heart Lab Grown Diamond

ID • F/VS1 • IGI LG845648720

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG845648720

Diamond specifications and retailer prices

From £170 GBP
As of November 4, 2026
Save £536 GBP (76%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £707 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 LG845648720 or 845648720. Listed at 9 retailers as of November 4, 2026, with prices from £170 to £707, a £536 spread on the same certified stone. MOH London lists it at £707. 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 angle33°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845648720
Dimensions6.40 × 7.07 × 4.04 mm
L/W Ratio1.10
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.40 mm7.07 mm1.03 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845648720
Side View
Table 59.0%Crown 33°Girdle: THN-MEDPavilion 40.1°Culet: NoneDepth 57.1%

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: £707 GBP|Low: £170 GBP|High: £712 GBP|Avg: £369 GBP|-0.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 9£170 GBP
Retailer 4£244 GBP
Retailer 2£265 GBP
Retailer 7£273 GBP
Retailer 3£287 GBP
Retailer 5£331 GBP
Retailer 8£496 GBP
Retailer 6£527 GBP
MOH London£707 GBP

21 data points across 9 retailers

9 retailers£170 GBP to £707 GBP

A
Cheapest Retailer
-
£170 GBP
A
Retailer 2
-
£244 GBP
View
B+
Retailer 3
-
£265 GBP
View
B+
Retailer 4
-
£273 GBP
View
B+
Retailer 5
-
£287 GBP
View
B+
Retailer 6
-
£331 GBP
View
B
Retailer 7
-
£496 GBP
View
B
Retailer 8
-
£527 GBP
View
Most Expensive
B
MOH London
LG845648720 · Nov 4
£707 GBP
View
8 more retailers have this diamond
Prices start from £170 GBPSave up to £536 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
£170 GBP