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Heart|Lab Grown|IGI

5.26ct E SI1 Heart Lab Grown Diamond

EX • E/SI1 • IGI LG839699221

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG839699221

Diamond specifications and retailer prices

From $1,036 CAD
$742 USD
As of October 29, 2026
Save $737 CAD (42%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $5,811 CAD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 5.26ct lab-grown heart diamond

This 5.26ct lab-grown heart sits in the over five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG839699221 or 839699221. Listed at 3 retailers as of October 29, 2026, with a 71% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

5.26
Carat
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839699221
Dimensions10.73 × 12.04 × 6.98 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
10.73 mm12.04 mm5.26 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839699221
Side View
Table 62.0%Crown 36.6°Girdle: MED-STKPavilion 40°Culet: NoneDepth 58.0%

Caratlytics Score

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

Last verified: Oct 29
Current: $5,811 CAD|Low: $1,036 CAD|High: $10,966 CAD|Avg: $5,043 CAD|-47.0%
Brilliant Earth
Retailer 2
Retailer 3
October 30, 2026
Retailer 3$1,036 CAD
Retailer 2$1,774 CAD
Brilliant Earth$5,811 CAD

26 data points across 3 retailers

3 retailers$1,036 CAD to $1,774 CAD

A
Cheapest Retailer
-
$1,036 CAD
$742 USD
Final sale: no returns
A
Retailer 2
-
$1,774 CAD
£1,000 GBP
View
Most Expensive
Brilliant Earth
21613328A · Oct 30
$5,811 CAD
$4,160 USD
View
Price under review
2 more retailers have this diamond
Prices start from $1,036 CADSave up to $737 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
5.26ct Heart
$1,036 CAD