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Heart|Lab Grown|IGI

1.21ct E VS2 Heart Lab Grown Diamond

ID • E/VS2 • IGI LG675570664

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG675570664

Diamond specifications and retailer prices

From £207 GBP
$276 USD
As of October 30, 2026
Save £1,160 GBP (85%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £1,367 GBP at Do Amore Diamonds · As of October 29, 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 E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG675570664 or 675570664. Listed at 11 retailers as of October 29, 2026, with prices from £207 to £1,367, a £1,160 spread on the same certified stone. Do Amore Diamonds lists it at £1,367. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG675570664
Dimensions7.18 × 7.18 × 6.85 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.18 mm7.18 mm1.21 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG675570664
Side View
Table 57.0%Crown 32.8°Girdle: MED-THKPavilion 40.4°Culet: NoneDepth 60.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £1,367 GBP|Low: £119 GBP|High: £1,389 GBP|Avg: £501 GBP|-1.6%
Do Amore Diamonds
Retailer 2
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Retailer 7
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Retailer 15
October 29, 2026
Retailer 4£119 GBP
Retailer 15£207 GBP
Retailer 3£238 GBP
Retailer 11£262 GBP
Retailer 2£318 GBP
Retailer 5£367 GBP
Retailer 14£396 GBP
Retailer 13£419 GBP
Retailer 6£530 GBP
Retailer 9£542 GBP
Retailer 12£568 GBP
Retailer 10£646 GBP
Retailer 7£765 GBP
Retailer 8£784 GBP
Do Amore Diamonds£1,367 GBP

22 data points across 15 retailers

11 retailers£207 GBP to £1,367 GBP

A
Cheapest Retailer
-
£207 GBP
$276 USD
B+
Retailer 2
-
£238 GBP
$317 USD
View
A
Retailer 3
-
£262 GBP
$349 USD
View
A
Retailer 4
-
£318 GBP
€403 EUR
View
B+
Retailer 5
-
£396 GBP
$527 USD
View
B+
Retailer 6
-
£419 GBP
A$858 AUD
View
B+
Retailer 7
-
£542 GBP
A$1,111 AUD
View
B
Retailer 8
-
£568 GBP
$757 USD
View
B
Retailer 9
-
£646 GBP
$860 USD
View
B
Retailer 10
-
£784 GBP
View
Most Expensive
B
Do Amore Diamonds
27-E788B989A · Oct 29
£1,367 GBP
$1,820 USD
View
10 more retailers have this diamond
Prices start from £207 GBPSave up to £1,160 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
£207 GBP