Heart|Lab Grown|IGI

1.20ct E VVS1 Heart Lab Grown Diamond

ID • E/VVS1 • IGI LG836621454

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG836621454

Diamond specifications and retailer prices

From $476 USD
€453 EUR
As of October 29, 2026
Save $714 USD (60%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $1,190 USD at MOH London · As of October 29, 2026
View at MOH London

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 LG836621454 or 836621454. Listed at 4 retailers as of October 29, 2026, with prices from $476 to $1,190, a $714 spread on the same certified stone. MOH London lists it at $1,190. 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
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.4°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836621454
Dimensions7.17 × 6.54 × 4.33 mm
L/W Ratio1.10
Girdle conditionFaceted
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
7.17 mm6.54 mm1.20 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836621454
Side View
Table 58.0%Crown 38.4°Girdle: STK-THKPavilion 38.8°Culet: NoneDepth 60.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: $1,190 USD|Low: $244 USD|High: $1,190 USD|Avg: $587 USD|+9.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 4$244 USD
Retailer 10$259 USD
Retailer 7$421 USD
Retailer 12$457 USD
Retailer 8$466 USD
Retailer 2$476 USD
Retailer 5$498 USD
Retailer 6$551 USD
Retailer 11$653 USD
Retailer 3$878 USD
Retailer 9$887 USD
MOH London$1,190 USD

10 data points across 12 retailers

4 retailers$476 USD to $1,190 USD

A
Retailer 1
-
$256 USD
Price last confirmed 32 days ago
B+
Retailer 2
-
$476 USD
€453 EUR
View
B+
Retailer 3
-
$498 USD
View
Most Expensive
B
MOH London
LG836621454 · Oct 29
$1,190 USD
£937 GBP
View
3 more retailers have this diamond
Prices start from $476 USDSave up to $714 USD

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
$476 USD