Heart|Lab Grown|IGI

1.29ct E VS1 Heart Lab Grown Diamond

ID • E/VS1 • IGI LG840636372

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG840636372

Diamond specifications and retailer prices

From $302 USD
As of October 23, 2026
5 retailers carry this diamond
Most expensive: $1,049 USD at MOH London · As of October 21, 2026
View at MOH London

About this 1.29ct lab-grown heart diamond

This 1.29ct lab-grown heart sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG840636372 or 840636372. Listed at 5 retailers as of October 21, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.29
Carat
E
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840636372
Dimensions7.51 × 6.70 × 4.27 mm
L/W Ratio1.12
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.51 mm6.70 mm1.29 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840636372
Side View
Table 64.0%Crown 35.8°Girdle: MED-STKPavilion 38.2°Culet: NoneDepth 56.9%

Caratlytics Score

No score right now
No retailer has confirmed this stone recently, so we are not scoring it. Prices below are as of the date shown.

Price History

Last verified: Oct 23
Current: $1,049 USD|Low: $302 USD|High: $1,133 USD|Avg: $587 USD|-7.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 24, 2026
Retailer 3$302 USD
Retailer 2$388 USD
Retailer 4$479 USD
Retailer 5$772 USD
MOH London$1,049 USD

23 data points across 5 retailers

5 retailers$302 USD to $1,049 USD

Retailer 1
-
$302 USD
Price last confirmed 8 days ago
Retailer 2
-
$388 USD
£305 GBP
View
Price last confirmed 7 days ago
Retailer 3
-
$479 USD
View
Price last confirmed 7 days ago
Retailer 4
-
$772 USD
View
Price last confirmed 7 days ago
Most Expensive
MOH London
LG840636372 · Oct 21
$1,049 USD
£826 GBP
View
Price last confirmed 10 days ago
4 more retailers have this diamond

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.

1.29ct Heart
$302 USD