CaratHunter
Plans
Heart|Lab Grown|IGI

1.03ct F VS1 Heart Lab Grown Diamond

ID • F/VS1 • IGI LG829614170

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG829614170

Diamond specifications and retailer prices

From £242 GBP
As of October 29, 2026
Save £262 GBP (52%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £678 GBP at MOH London · As of October 29, 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 LG829614170 or 829614170. Listed at 9 retailers as of October 29, 2026, with a 108% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle31.9°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG829614170
Dimensions7.20 × 6.35 × 4.01 mm
L/W Ratio1.13
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.20 mm6.35 mm1.03 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG829614170
Side View
Table 58.0%Crown 31.9°Girdle: THN-STKPavilion 38.3°Culet: NoneDepth 55.7%

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: Oct 29
Current: £678 GBP|Low: £207 GBP|High: £738 GBP|Avg: £410 GBP|-5.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 9£207 GBP
Retailer 2£242 GBP
Retailer 4£252 GBP
Retailer 7£290 GBP
Retailer 8£434 GBP
Retailer 6£467 GBP
Retailer 3£489 GBP
Retailer 5£504 GBP
MOH London£678 GBP

36 data points across 9 retailers

9 retailers£242 GBP to £504 GBP

Retailer 1
-
£207 GBP
Price last confirmed 11 days ago
A
Retailer 2
-
£242 GBP
View
A
Retailer 3
-
£252 GBP
View
Retailer 4
-
£290 GBP
View
Price last confirmed 8 days ago
Retailer 5
-
£434 GBP
View
Price last confirmed 9 days ago
B
Retailer 6
-
£467 GBP
View
B
Retailer 7
-
£489 GBP
View
B
Retailer 8
-
£504 GBP
View
Most Expensive
MOH London
LG829614170 · Oct 29
£678 GBP
View
Price last confirmed 7 days ago
8 more retailers have this diamond
Prices start from £242 GBPSave up to £262 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
£242 GBP