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Heart|Lab Grown|IGI

0.91ct I VS1 Heart Lab Grown Diamond

ID • I/VS1 • IGI LG814634024

Shape and cutting style on the report: Heart modified brilliant

Certificate IGI LG814634024

Diamond specifications and retailer prices

From £225 GBP
As of November 4, 2026
Save £891 GBP (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,117 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 0.91ct lab-grown heart diamond

This 0.91ct lab-grown heart sits in the just-under-one-carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG814634024 or 814634024. Listed at 13 retailers as of November 4, 2026, with prices from £225 to £1,117, a £891 spread on the same certified stone. MOH London lists it at £1,117. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.91
Carat
I
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle30.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG814634024
Dimensions6.62 × 5.48 × 3.40 mm
L/W Ratio1.21
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.62 mm5.48 mm0.91 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG814634024
Side View
Table 67.0%Crown 35.1°Girdle: MED-STKPavilion 30.9°Culet: NoneDepth 51.4%

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: £1,117 GBP|Low: £216 GBP|High: £1,133 GBP|Avg: £509 GBP|-0.3%
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
Retailer 14
November 5, 2026
Retailer 10£225 GBP
Retailer 5£240 GBP
Retailer 4£252 GBP
Retailer 13£261 GBP
Retailer 11£279 GBP
Retailer 14£279 GBP
Retailer 8£376 GBP
Retailer 2£381 GBP
Retailer 7£507 GBP
Retailer 3£509 GBP
Retailer 9£859 GBP
Retailer 12£898 GBP
Retailer 6£933 GBP
MOH London£1,117 GBP

39 data points across 14 retailers

13 retailers£225 GBP to £1,117 GBP

A
Cheapest Retailer
-
£225 GBP
A
Retailer 2
-
£252 GBP
View
Final sale: no returns
A
Retailer 3
-
£261 GBP
View
Retailer 4
-
£279 GBP
View
Price last confirmed 11 days ago
A
Retailer 5
-
£279 GBP
View
B+
Retailer 6
-
£376 GBP
View
B+
Retailer 7
-
£381 GBP
View
B+
Retailer 8
-
£507 GBP
View
B
Retailer 9
-
£509 GBP
View
B
Retailer 10
-
£859 GBP
View
B
Retailer 11
-
£898 GBP
View
B
Retailer 12
-
£933 GBP
View
Most Expensive
B
MOH London
LG814634024 · Nov 5
£1,117 GBP
View
12 more retailers have this diamond
Prices start from £225 GBPSave up to £891 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
0.91ct Heart
£225 GBP