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Heart|Lab Grown|IGI

1.21ct D VS2 Heart Lab Grown Diamond

ID • D/VS2 • IGI LG605327002

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG605327002

Diamond specifications and retailer prices

From £145 GBP
$193 USD
As of October 27, 2026
Save £803 GBP (85%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: £948 GBP at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.21ct lab-grown heart diamond

This 1.21ct lab-grown heart sits in the classic one-carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG605327002 or 605327002. Listed at 26 retailers as of October 27, 2026, with prices from £145 to £948, a £803 spread on the same certified stone. Brilliant Earth lists it at £948. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
D
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG605327002
Dimensions7.48 × 6.69 × 4.20 mm
L/W Ratio1.12
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.48 mm6.69 mm1.21 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG605327002
Side View
Table 62.0%Crown 35.7°Girdle: MediumPavilion 39.5°Culet: NoneDepth 56.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 27
Current: £948 GBP|Low: £135 GBP|High: £948 GBP|Avg: £481 GBP
Brilliant Earth
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
Retailer 16
October 29, 2026
Retailer 12£145 GBP
Retailer 15£163 GBP
Retailer 14£212 GBP
Retailer 13£254 GBP
Retailer 9£325 GBP
Retailer 5£338 GBP
Retailer 4£364 GBP
Retailer 8£381 GBP
Retailer 10£570 GBP
Retailer 11£579 GBP
Retailer 7£613 GBP
Retailer 6£618 GBP
Retailer 3£638 GBP
Retailer 2£845 GBP
Retailer 16£880 GBP
Brilliant Earth£948 GBP

42 data points across 16 retailers

26 retailers£145 GBP to £948 GBP

A
Cheapest Retailer
-
£145 GBP
$193 USD
A
Retailer 2
-
£145 GBP
$193 USD
View
Price last confirmed 20 days ago
A
Retailer 3
-
£145 GBP
$193 USD
View
Price last confirmed 17 days ago
A
Retailer 4
-
£163 GBP
$216 USD
View
Final sale: no returns
A
Retailer 5
-
£171 GBP
$227 USD
View
Price last confirmed 29 days ago
A
Retailer 6
-
£180 GBP
$239 USD
View
Price last confirmed 26 days ago
A
Retailer 7
-
£180 GBP
$239 USD
View
Price last confirmed 18 days ago
A
Retailer 8
-
£198 GBP
$263 USD
View
Price last confirmed 30 days ago
A
Retailer 9
-
£209 GBP
$278 USD
View
Price last confirmed 31 days ago
A
Retailer 10
-
£212 GBP
HK$2,200 HKD
View
B+
Retailer 11
-
£254 GBP
$338 USD
View
A
Retailer 12
-
£325 GBP
View
A
Retailer 13
-
£338 GBP
$449 USD
View
B+
Retailer 14
-
£364 GBP
$484 USD
View
B+
Retailer 15
-
£381 GBP
$506 USD
View
B+
Retailer 16
-
£570 GBP
A$1,166 AUD
View
B
Retailer 17
-
£578 GBP
$768 USD
View
Price last confirmed 18 days ago
B
Retailer 18
-
£578 GBP
$768 USD
View
B
Retailer 19
-
£579 GBP
$770 USD
View
B
Retailer 20
-
£613 GBP
SGD 1,100 SGD
View
B
Retailer 21
-
£618 GBP
$821 USD
View
B
Retailer 22
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£638 GBP
$848 USD
View
B
Retailer 23
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£680 GBP
$904 USD
View
Price last confirmed 28 days ago
B
Retailer 24
-
£845 GBP
View
B
Retailer 25
-
£880 GBP
$1,170 USD
View
Most Expensive
B
Brilliant Earth
8423109A · Oct 28
£948 GBP
$1,260 USD
View
25 more retailers have this diamond
Prices start from £145 GBPSave up to £803 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
£145 GBP