Heart|Lab Grown|IGI

1.03ct J VVS2 Heart Lab Grown Diamond

ID • J/VVS2 • IGI LG831664422

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG831664422

Diamond specifications and retailer prices

From £312 GBP
As of November 2, 2026
Save £1,107 GBP (78%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,419 GBP at MOH London · As of November 3, 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 J colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG831664422 or 831664422. Listed at 13 retailers as of November 2, 2026, with prices from £312 to £1,419, a £1,107 spread on the same certified stone. MOH London lists it at £1,419. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
J
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831664422
Dimensions6.32 × 7.02 × 4.14 mm
L/W Ratio1.11
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.32 mm7.02 mm1.03 ctJ / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831664422
Side View
Table 60.0%Crown 36.4°Girdle: MED-STKPavilion 40.1°CuletDepth 59.0%

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 2
Current: £1,419 GBP|Low: £312 GBP|High: £1,419 GBP|Avg: £707 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 10£312 GBP
Retailer 6£349 GBP
Retailer 12£349 GBP
Retailer 3£386 GBP
Retailer 11£472 GBP
Retailer 8£497 GBP
Retailer 13£519 GBP
Retailer 2£613 GBP
Retailer 7£846 GBP
Retailer 9£1,083 GBP
Retailer 4£1,241 GBP
Retailer 5£1,266 GBP
MOH London£1,419 GBP

6 data points across 13 retailers

13 retailers£312 GBP to £1,419 GBP

A
Cheapest Retailer
-
£312 GBP
A
Retailer 2
-
£349 GBP
View
Final sale: no returns
A
Retailer 3
-
£349 GBP
View
B+
Retailer 4
-
£386 GBP
View
B+
Retailer 5
-
£472 GBP
View
B+
Retailer 6
-
£497 GBP
View
B
Retailer 7
-
£519 GBP
View
B
Retailer 8
-
£613 GBP
View
B
Retailer 9
-
£846 GBP
View
B
Retailer 10
-
£1,083 GBP
View
B
Retailer 11
-
£1,241 GBP
View
B
Retailer 12
-
£1,266 GBP
View
Most Expensive
B
MOH London
LG831664422 · Nov 3
£1,419 GBP
View
12 more retailers have this diamond
Prices start from £312 GBPSave up to £1,107 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
£312 GBP