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Heart|Lab Grown|IGI

1.09ct E SI1 Heart Lab Grown Diamond

EX • E/SI1 • IGI LG839615483

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG839615483

Diamond specifications and retailer prices

From $239 CAD
$171 USD
As of October 30, 2026
Save $613 CAD (72%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $852 CAD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.09ct lab-grown heart diamond

This 1.09ct lab-grown heart sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG839615483 or 839615483. Listed at 3 retailers as of October 30, 2026, with prices from $239 to $852, a $613 spread on the same certified stone. Brilliant Earth lists it at $852. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.09
Carat
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839615483
Dimensions6.27 × 7.13 × 4.24 mm
L/W Ratio1.14
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.27 mm7.13 mm1.09 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839615483
Side View
Table 61.0%Crown 35.1°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 59.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $852 CAD|Low: $239 CAD|High: $1,341 CAD|Avg: $812 CAD|-36.5%
Brilliant Earth
Retailer 2
Retailer 3
October 30, 2026
Retailer 3$239 CAD
Retailer 2$483 CAD
Brilliant Earth$852 CAD

27 data points across 3 retailers

3 retailers$239 CAD to $852 CAD

A
Cheapest Retailer
-
$239 CAD
$171 USD
Final sale: no returns
B+
Retailer 2
-
$483 CAD
£272 GBP
View
Most Expensive
B
Brilliant Earth
21583444A · Oct 30
$852 CAD
$610 USD
View
2 more retailers have this diamond
Prices start from $239 CADSave up to $613 CAD

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
1.09ct Heart
$239 CAD