Heart|Lab Grown|IGI

1.21ct E VS2 Heart Lab Grown Diamond

EX • E/VS2

Diamond specifications and retailer prices

From £142 GBP
$189 USD
As of October 30, 2026
Save £577 GBP (80%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £719 GBP at The Diamond Guys · As of October 30, 2026
View at The Diamond Guys

About this 1.21ct lab-grown heart diamond

This 1.21ct lab-grown heart sits in the classic one-carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI. Listed at 9 retailers as of October 30, 2026, with prices from £142 to £719, a £577 spread on the same certified stone. The Diamond Guys lists it at £719. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
E
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions6.32 × 7.40 × 4.49 mm
L/W Ratio1.17
Top View
6.32 mm7.40 mm1.21 ctE / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 57.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 60.7%

Caratlytics Score

How it works →
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: £233 GBP|Low: £142 GBP|High: £734 GBP|Avg: £391 GBP|-1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
The Diamond Guys
October 30, 2026
Retailer 2£142 GBP
Retailer 3£165 GBP
Retailer 1£233 GBP
Retailer 6£261 GBP
Retailer 7£321 GBP
Retailer 5£544 GBP
Retailer 4£626 GBP
The Diamond Guys£719 GBP

18 data points across 8 retailers

9 retailers£142 GBP to £719 GBP

Retailer 1
-
£142 GBP
$189 USD
Price last confirmed 13 days ago
A
Retailer 2
-
£142 GBP
$189 USD
View
A
Retailer 3
-
£165 GBP
$220 USD
View
A
Retailer 4
-
£233 GBP
View
A
Retailer 5
-
£261 GBP
$348 USD
View
Retailer 6
-
£321 GBP
$428 USD
View
Price last confirmed 16 days ago
B
Retailer 7
-
£544 GBP
CA$1,007 CAD
View
B
Retailer 8
-
£626 GBP
$833 USD
View
Most Expensive
B
The Diamond Guys
1972043505 · Oct 30
£719 GBP
$958 USD
View
8 more retailers have this diamond
Prices start from £142 GBPSave up to £577 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
£142 GBP