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Heart|Lab Grown|IGI

1.21ct F VVS2 Heart Lab Grown Diamond

ID • F/VVS2 • IGI LG800669016

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG800669016

Diamond specifications and retailer prices

From £323 GBP
$433 USD
As of November 1, 2026
Save £549 GBP (63%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £872 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 LG800669016 or 800669016. Listed at 7 retailers as of November 1, 2026, with prices from £323 to £872, a £549 spread on the same certified stone. MOH London lists it at £872. 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 angle33.5°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800669016
Dimensions7.53 × 6.58 × 4.36 mm
L/W Ratio1.14
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.53 mm6.58 mm1.21 ctF / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800669016
Side View
Table 59.0%Crown 33.5°Girdle: MED-STKPavilion 39.6°Culet: NoneDepth 57.9%

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: £872 GBP|Low: £282 GBP|High: £882 GBP|Avg: £480 GBP|+12.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 5£323 GBP
Retailer 2£342 GBP
Retailer 6£352 GBP
Retailer 4£425 GBP
Retailer 3£605 GBP
Retailer 7£640 GBP
MOH London£872 GBP

44 data points across 7 retailers

7 retailers£323 GBP to £872 GBP

A
Cheapest Retailer
-
£323 GBP
$433 USD
B+
Retailer 2
-
£342 GBP
View
B+
Retailer 3
-
£352 GBP
$472 USD
View
B+
Retailer 4
-
£425 GBP
$569 USD
View
B
Retailer 5
-
£605 GBP
$810 USD
View
B
Retailer 6
-
£640 GBP
$857 USD
View
Most Expensive
B
MOH London
LG800669016 · Nov 1
£872 GBP
View
6 more retailers have this diamond
Prices start from £323 GBPSave up to £549 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
£323 GBP