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Heart|Lab Grown|IGI

0.91ct G VS2 Heart Lab Grown Diamond

ID • G/VS2 • IGI LG831649199

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG831649199

Diamond specifications and retailer prices

From £151 GBP
As of November 4, 2026
Save £281 GBP (65%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £641 GBP at MOH London · As of October 25, 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 G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG831649199 or 831649199. Listed at 15 retailers as of November 4, 2026, with a 186% 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

0.91
Carat
G
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34°
Pavilion angle42.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831649199
Dimensions6.43 × 6.16 × 3.84 mm
L/W Ratio1.04
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.43 mm6.16 mm0.91 ctG / VS2
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG831649199
Side View
Table 67.0%Crown 34°Girdle: THK-VTKPavilion 42.4°Culet: NoneDepth 59.7%

Caratlytics Score

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

Price History

Last verified: Nov 4
Current: £641 GBP|Low: £151 GBP|High: £647 GBP|Avg: £326 GBP|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 4£151 GBP
Retailer 5£179 GBP
Retailer 12£203 GBP
Retailer 7£231 GBP
Retailer 2£232 GBP
Retailer 3£251 GBP
Retailer 11£318 GBP
Retailer 6£352 GBP
Retailer 8£373 GBP
Retailer 10£400 GBP
Retailer 9£433 GBP
MOH London£641 GBP

36 data points across 12 retailers

15 retailers£151 GBP to £433 GBP

Retailer 1
-
£110 GBP
Price last confirmed 19 days ago
Retailer 2
-
£128 GBP
View
Price last confirmed 21 days ago
Retailer 3
-
£137 GBP
View
Price last confirmed 21 days ago
A
Retailer 4
-
£151 GBP
View
A
Retailer 5
-
£179 GBP
View
B+
Retailer 6
-
£231 GBP
View
B+
Retailer 7
-
£232 GBP
View
Retailer 8
-
£251 GBP
View
Price last confirmed 11 days ago
Retailer 9
-
£318 GBP
View
Price last confirmed 10 days ago
B
Retailer 10
-
£352 GBP
View
B
Retailer 11
-
£373 GBP
View
B
Retailer 12
-
£400 GBP
View
B
Retailer 13
-
£433 GBP
View
Retailer 14
-
£440 GBP
View
Price last confirmed 20 days ago
Most Expensive
MOH London
LG831649199 · Oct 25
£641 GBP
View
Price last confirmed 11 days ago
14 more retailers have this diamond
Prices start from £151 GBPSave up to £281 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
£151 GBP