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Heart|Lab Grown|IGI

1.21ct F VVS2 Heart Lab Grown Diamond

ID • F/VVS2 • IGI LG729546567

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG729546567

Diamond specifications and retailer prices

From £134 GBP
$178 USD
As of October 27, 2026
Save £642 GBP (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £776 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 LG729546567 or 729546567. Listed at 16 retailers as of October 26, 2026, with prices from £134 to £776, a £642 spread on the same certified stone. MOH London lists it at £776. 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
SymmetryVery Good
FluorescenceNone
Crown angle37.4°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG729546567
Dimensions7.36 × 6.40 × 4.39 mm
L/W Ratio1.15
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.36 mm6.40 mm1.21 ctF / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG729546567
Side View
Table 56.0%Crown 37.4°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 59.6%

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: Oct 27
Current: £776 GBP|Low: £132 GBP|High: £810 GBP|Avg: £351 GBP|-3.1%
MOH London
Retailer 2
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Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 16
October 28, 2026
Retailer 8£134 GBP
Retailer 3£150 GBP
Retailer 15£155 GBP
Retailer 6£166 GBP
Retailer 10£166 GBP
Retailer 16£183 GBP
Retailer 14£224 GBP
Retailer 9£285 GBP
Retailer 2£296 GBP
Retailer 13£348 GBP
Retailer 12£352 GBP
Retailer 5£534 GBP
Retailer 7£551 GBP
Retailer 11£563 GBP
Retailer 4£574 GBP
MOH London£776 GBP

44 data points across 16 retailers

16 retailers£134 GBP to £776 GBP

A
Cheapest Retailer
-
£134 GBP
$178 USD
A
Retailer 2
-
£150 GBP
$199 USD
View
Final sale: no returns
A
Retailer 3
-
£155 GBP
$206 USD
View
A
Retailer 4
-
£166 GBP
$220 USD
View
A
Retailer 5
-
£166 GBP
$220 USD
View
A
Retailer 6
-
£183 GBP
HK$1,900 HKD
View
B+
Retailer 7
-
£224 GBP
$298 USD
View
A
Retailer 8
-
£285 GBP
ZAR 6,113 ZAR
View
A
Retailer 9
-
£296 GBP
View
B+
Retailer 10
-
£348 GBP
$463 USD
View
B+
Retailer 11
-
£352 GBP
$468 USD
View
B+
Retailer 12
-
£534 GBP
$709 USD
View
B
Retailer 13
-
£551 GBP
$732 USD
View
B
Retailer 14
-
£563 GBP
$748 USD
View
B
Retailer 15
-
£574 GBP
$763 USD
View
Most Expensive
B
MOH London
LG729546567 · Oct 26
£776 GBP
View
15 more retailers have this diamond
Prices start from £134 GBPSave up to £642 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
£134 GBP