Heart|Lab Grown|IGI

1.21ct F VVS2 Heart Lab Grown Diamond

EX • F/VVS2 • IGI LG822601418

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG822601418

Diamond specifications and retailer prices

From £154 GBP
$207 USD
As of October 30, 2026
Save £613 GBP (80%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £768 GBP at MOH London · As of November 1, 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 LG822601418 or 822601418. Listed at 12 retailers as of October 30, 2026, with prices from £154 to £768, a £613 spread on the same certified stone. MOH London lists it at £768. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG822601418
Dimensions6.62 × 7.35 × 4.30 mm
L/W Ratio1.11
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.62 mm7.35 mm1.21 ctF / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG822601418
Side View
Table 59.0%Crown 33.6°Girdle: STK-THKPavilion 39.3°Culet: NoneDepth 58.5%

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 30
Current: £768 GBP|Low: £192 GBP|High: £777 GBP|Avg: £443 GBP|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 7£192 GBP
Retailer 5£214 GBP
Retailer 3£331 GBP
Retailer 8£331 GBP
Retailer 2£353 GBP
Retailer 10£354 GBP
Retailer 4£468 GBP
Retailer 6£618 GBP
Retailer 9£656 GBP
MOH London£768 GBP

42 data points across 10 retailers

12 retailers£154 GBP to £768 GBP

A
Cheapest Retailer
-
£154 GBP
$207 USD
A
Retailer 2
-
£192 GBP
$257 USD
View
Retailer 3
-
£192 GBP
$257 USD
View
Price last confirmed 8 days ago
Retailer 4
-
£214 GBP
View
Price last confirmed 16 days ago
A
Retailer 5
-
£331 GBP
ZAR 7,160 ZAR
View
B+
Retailer 6
-
£331 GBP
$444 USD
View
B+
Retailer 7
-
£353 GBP
View
B+
Retailer 8
-
£354 GBP
$474 USD
View
B+
Retailer 9
-
£468 GBP
A$965 AUD
View
B
Retailer 10
-
£618 GBP
$828 USD
View
B
Retailer 11
-
£656 GBP
$878 USD
View
Most Expensive
B
MOH London
LG822601418 · Nov 1
£768 GBP
View
11 more retailers have this diamond
Prices start from £154 GBPSave up to £613 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
£154 GBP