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Heart|Lab Grown|IGI

1.20ct E VVS1 Heart Lab Grown Diamond

EX • E/VVS1 • IGI LG638415626

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG638415626

Diamond specifications and retailer prices

From £268 GBP
$359 USD
As of October 30, 2026
Save £479 GBP (64%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £1,545 GBP at Do Amore Diamonds · As of October 23, 2026
View at Do Amore Diamonds

About this 1.2ct lab-grown heart diamond

This 1.2ct lab-grown heart sits in the classic one-carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG638415626 or 638415626. Listed at 17 retailers as of October 29, 2026, with a 179% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
E
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle43.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG638415626
Dimensions6.63 × 7.25 × 4.49 mm
L/W Ratio1.09
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
6.63 mm7.25 mm1.20 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG638415626
Side View
Table 58.0%Crown 36.6°Girdle: MED-STKPavilion 43.1°Culet: NoneDepth 61.9%

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: £1,545 GBP|Low: £130 GBP|High: £1,567 GBP|Avg: £605 GBP|-1.4%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
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Retailer 6
Retailer 7
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Retailer 9
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Retailer 11
Retailer 12
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Retailer 17
October 29, 2026
Retailer 5£161 GBP
Retailer 13£181 GBP
Retailer 9£188 GBP
Retailer 3£200 GBP
Retailer 14£268 GBP
Retailer 11£328 GBP
Retailer 12£373 GBP
Retailer 4£404 GBP
Retailer 10£470 GBP
Retailer 7£547 GBP
Retailer 8£649 GBP
Retailer 16£708 GBP
Retailer 2£747 GBP
Retailer 17£836 GBP
Retailer 6£895 GBP
Retailer 15£928 GBP
Do Amore Diamonds£1,545 GBP

40 data points across 17 retailers

17 retailers£268 GBP to £747 GBP

Retailer 1
-
£161 GBP
$216 USD
Price last confirmed 9 days ago
Retailer 2
-
£188 GBP
$252 USD
View
Price last confirmed 10 days ago
Retailer 3
-
£200 GBP
$268 USD
View
Price last confirmed 9 days ago
Retailer 4
-
£202 GBP
$270 USD
View
Price last confirmed 14 days ago
B+
Retailer 5
-
£268 GBP
$359 USD
View
A
Retailer 6
-
£328 GBP
$440 USD
View
Retailer 7
-
£373 GBP
ZAR 8,068 ZAR
View
Price last confirmed 7 days ago
Retailer 8
-
£404 GBP
View
Price last confirmed 9 days ago
B+
Retailer 9
-
£470 GBP
A$968 AUD
View
Retailer 10
-
£547 GBP
A$1,127 AUD
View
Price last confirmed 13 days ago
Retailer 11
-
£649 GBP
$870 USD
View
Price last confirmed 9 days ago
Retailer 12
-
£708 GBP
$949 USD
View
Price last confirmed 8 days ago
B+
Retailer 13
-
£747 GBP
A$1,540 AUD
View
Retailer 14
-
£836 GBP
$1,121 USD
View
Price last confirmed 7 days ago
Retailer 15
-
£895 GBP
View
Price last confirmed 12 days ago
Retailer 16
-
£928 GBP
$1,244 USD
View
Price last confirmed 8 days ago
Most Expensive
Do Amore Diamonds
27-49C2AC8F3 · Oct 23
£1,545 GBP
$2,070 USD
View
Price last confirmed 8 days ago
16 more retailers have this diamond
Prices start from £268 GBPSave up to £479 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
1.20ct Heart
£268 GBP