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Heart|Lab Grown|IGI

1.21ct F VVS2 Heart Lab Grown Diamond

ID • F/VVS2 • IGI LG835612772

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG835612772

Diamond specifications and retailer prices

From £342 GBP
As of October 27, 2026
Save £536 GBP (61%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £878 GBP at MOH London · As of October 26, 2026
View at MOH London

About this 1.21ct lab-grown heart diamond

This 1.21ct lab-grown heart sits in the classic one-carat band, graded F colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG835612772 or 835612772. Listed at 16 retailers as of October 26, 2026, with prices from £342 to £878, a £536 spread on the same certified stone. MOH London lists it at £878. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
F
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle41.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835612772
Dimensions7.53 × 6.12 × 4.51 mm
L/W Ratio1.23
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.53 mm6.12 mm1.21 ctF / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG835612772
Side View
Table 63.0%Crown 33.2°Girdle: MED-THKPavilion 41.8°Culet: NoneDepth 59.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 27
Current: £878 GBP|Low: £148 GBP|High: £902 GBP|Avg: £428 GBP|+13.6%
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
October 27, 2026
Retailer 6£152 GBP
Retailer 11£175 GBP
Retailer 5£187 GBP
Retailer 12£187 GBP
Retailer 9£317 GBP
Retailer 3£325 GBP
Retailer 2£342 GBP
Retailer 14£352 GBP
Retailer 8£458 GBP
Retailer 10£485 GBP
Retailer 7£582 GBP
Retailer 13£602 GBP
Retailer 4£612 GBP
Retailer 15£642 GBP
MOH London£878 GBP

39 data points across 15 retailers

16 retailers£342 GBP to £878 GBP

Retailer 1
-
£152 GBP
$203 USD
Price last confirmed 9 days ago
Retailer 2
-
£175 GBP
$235 USD
View
Price last confirmed 8 days ago
Retailer 3
-
£187 GBP
$251 USD
View
Price last confirmed 8 days ago
Retailer 4
-
£187 GBP
$251 USD
View
Price last confirmed 7 days ago
Retailer 5
-
£188 GBP
$252 USD
View
Price last confirmed 38 days ago
Retailer 6
-
£317 GBP
ZAR 6,859 ZAR
View
Price last confirmed 10 days ago
Retailer 7
-
£325 GBP
$435 USD
View
Price last confirmed 7 days ago
A
Retailer 8
-
£342 GBP
View
Retailer 9
-
£352 GBP
$472 USD
View
Price last confirmed 7 days ago
Retailer 10
-
£458 GBP
A$945 AUD
View
Price last confirmed 9 days ago
Retailer 11
-
£485 GBP
$650 USD
View
Price last confirmed 7 days ago
Retailer 12
-
£582 GBP
A$1,199 AUD
View
Price last confirmed 32 days ago
Retailer 13
-
£602 GBP
$807 USD
View
Price last confirmed 7 days ago
Retailer 14
-
£612 GBP
SGD 1,108 SGD
View
Price last confirmed 8 days ago
Retailer 15
-
£642 GBP
$861 USD
View
Price last confirmed 7 days ago
Most Expensive
B
MOH London
LG835612772 · Oct 26
£878 GBP
View
15 more retailers have this diamond
Prices start from £342 GBPSave up to £536 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
1.21ct Heart
£342 GBP