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Heart|Lab Grown|IGI

0.91ct F VVS2 Heart Lab Grown Diamond

EX • F/VVS2 • IGI LG840665012

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG840665012

Diamond specifications and retailer prices

From £153 GBP
HK$1,600 HKD
As of November 1, 2026
Save £328 GBP (68%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £640 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 F colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG840665012 or 840665012. Listed at 18 retailers as of October 27, 2026, with a 214% 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
F
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle39.2°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840665012
Dimensions5.95 × 6.51 × 4.00 mm
L/W Ratio1.09
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.95 mm6.51 mm0.91 ctF / VVS2
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG840665012
Side View
Table 59.0%Crown 39.2°Girdle: MED-THKPavilion 39.2°Culet: NoneDepth 61.4%

Caratlytics Score

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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 1
Current: £640 GBP|Low: £106 GBP|High: £646 GBP|Avg: £299 GBP|-1.0%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 31, 2026
Retailer 4£110 GBP
Retailer 18£128 GBP
Retailer 5£137 GBP
Retailer 7£153 GBP
Retailer 14£174 GBP
Retailer 2£231 GBP
Retailer 15£235 GBP
Retailer 9£243 GBP
Retailer 17£243 GBP
Retailer 6£252 GBP
Retailer 8£316 GBP
Retailer 16£318 GBP
Retailer 11£343 GBP
Retailer 13£372 GBP
Retailer 12£431 GBP
Retailer 3£439 GBP
Retailer 10£480 GBP
MOH London£640 GBP

28 data points across 18 retailers

18 retailers£153 GBP to £480 GBP

Retailer 1
-
£110 GBP
$148 USD
Price last confirmed 9 days ago
Retailer 2
-
£128 GBP
$171 USD
View
Price last confirmed 8 days ago
Retailer 3
-
£137 GBP
$183 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
£153 GBP
HK$1,600 HKD
View
A
Retailer 5
-
£174 GBP
View
A
Retailer 6
-
£231 GBP
€295 EUR
View
A
Retailer 7
-
£235 GBP
View
A
Retailer 8
-
£243 GBP
$325 USD
View
Retailer 9
-
£243 GBP
ZAR 5,260 ZAR
View
Price last confirmed 10 days ago
Retailer 10
-
£252 GBP
$337 USD
View
Price last confirmed 7 days ago
B+
Retailer 11
-
£316 GBP
$423 USD
View
Retailer 12
-
£318 GBP
View
Price last confirmed 7 days ago
B+
Retailer 13
-
£343 GBP
$460 USD
View
B+
Retailer 14
-
£372 GBP
SGD 674 SGD
View
B
Retailer 15
-
£431 GBP
$578 USD
View
Retailer 16
-
£439 GBP
$588 USD
View
Price last confirmed 7 days ago
B
Retailer 17
-
£480 GBP
$644 USD
View
Most Expensive
MOH London
LG840665012 · Oct 25
£640 GBP
View
Price last confirmed 8 days ago
17 more retailers have this diamond
Prices start from £153 GBPSave up to £328 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
£153 GBP