Heart|Lab Grown|IGI

1.29ct E VS1 Heart Lab Grown Diamond

ID • E/VS1 • IGI LG846666731

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG846666731

Diamond specifications and retailer prices

From $550 USD
As of October 29, 2026
Save $566 USD (51%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $1,116 USD at MOH London · As of October 29, 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 LG846666731 or 846666731. Listed at 4 retailers as of October 29, 2026, with prices from $550 to $1,116, a $566 spread on the same certified stone. MOH London lists it at $1,116. 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 angle35.7°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846666731
Dimensions6.32 × 7.50 × 4.67 mm
L/W Ratio1.19
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.32 mm7.50 mm1.29 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846666731
Side View
Table 59.0%Crown 35.7°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 29
Current: $1,116 USD|Low: $562 USD|High: $1,116 USD|Avg: $805 USD|+0.3%
MOH London
Retailer 2
Retailer 3
October 29, 2026
Retailer 2$562 USD
Retailer 3$833 USD
MOH London$1,116 USD

4 data points across 3 retailers

4 retailers$550 USD to $1,116 USD

B+
Cheapest Retailer
-
$550 USD
B+
Retailer 2
-
$562 USD
View
B
Retailer 3
-
$833 USD
View
Most Expensive
B
MOH London
LG846666731 · Oct 29
$1,116 USD
£879 GBP
View
3 more retailers have this diamond
Prices start from $550 USDSave up to $566 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.

B+
1.29ct Heart
$550 USD