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Heart|Lab Grown|IGI

1.21ct F VVS2 Heart Lab Grown Diamond

ID • F/VVS2 • IGI LG844621895

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG844621895

Diamond specifications and retailer prices

From £143 GBP
$191 USD
As of October 30, 2026
Save £1,223 GBP (90%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £1,366 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

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 LG844621895 or 844621895. Listed at 16 retailers as of October 30, 2026, with prices from £143 to £1,366, a £1,223 spread on the same certified stone. Do Amore Diamonds lists it at £1,366. 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 angle33.7°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844621895
Dimensions6.69 × 7.63 × 4.05 mm
L/W Ratio1.14
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.69 mm7.63 mm1.21 ctF / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844621895
Side View
Table 64.0%Crown 33.7°Girdle: MED-STKPavilion 38.1°Culet: NoneDepth 53.1%

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: £1,366 GBP|Low: £143 GBP|High: £1,366 GBP|Avg: £501 GBP
Do Amore Diamonds
Retailer 2
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Retailer 17
November 1, 2026
Retailer 17£143 GBP
Retailer 13£165 GBP
Retailer 9£220 GBP
Retailer 6£267 GBP
Retailer 12£278 GBP
Retailer 5£310 GBP
Retailer 7£360 GBP
Retailer 11£476 GBP
Retailer 16£570 GBP
Retailer 14£575 GBP
Retailer 10£582 GBP
Retailer 4£597 GBP
Retailer 15£627 GBP
Retailer 8£666 GBP
Retailer 3£781 GBP
Retailer 2£781 GBP
Do Amore Diamonds£1,366 GBP

16 data points across 17 retailers

16 retailers£143 GBP to £1,366 GBP

A
Cheapest Retailer
-
£143 GBP
$191 USD
A
Retailer 2
-
£165 GBP
$221 USD
View
Retailer 3
-
£220 GBP
View
Price last confirmed 20 days ago
A
Retailer 4
-
£267 GBP
HK$2,800 HKD
View
A
Retailer 5
-
£278 GBP
$373 USD
View
A
Retailer 6
-
£310 GBP
$415 USD
View
B+
Retailer 7
-
£360 GBP
$483 USD
View
B+
Retailer 8
-
£476 GBP
A$982 AUD
View
B
Retailer 9
-
£570 GBP
$764 USD
View
B
Retailer 10
-
£575 GBP
$771 USD
View
B
Retailer 11
-
£582 GBP
A$1,199 AUD
View
B
Retailer 12
-
£597 GBP
$800 USD
View
B
Retailer 13
-
£627 GBP
$840 USD
View
B
Retailer 14
-
£781 GBP
SGD 1,414 SGD
View
B
Retailer 15
-
£781 GBP
View
Most Expensive
B
Do Amore Diamonds
27-2C3CCB949 · Oct 31
£1,366 GBP
$1,830 USD
View
15 more retailers have this diamond
Prices start from £143 GBPSave up to £1,223 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
£143 GBP