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Heart|Lab Grown|IGI

1.59ct E SI1 Heart Lab Grown Diamond

ID • E/SI1 • IGI LG620488289

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG620488289

Diamond specifications and retailer prices

From $272 CAD
$194 USD
As of October 27, 2026
Save $1,314 CAD (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,586 CAD at MOH London · As of October 29, 2026
View at MOH London

About this 1.59ct lab-grown heart diamond

This 1.59ct lab-grown heart sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG620488289 or 620488289. Listed at 11 retailers as of October 27, 2026, with prices from $272 to $1,586, a $1,314 spread on the same certified stone. MOH London lists it at $1,586. 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

1.59
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620488289
Dimensions8.29 × 7.40 × 4.50 mm
L/W Ratio1.12
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.29 mm7.40 mm1.59 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620488289
Side View
Table 60.0%Crown 32.2°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 54.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $1,586 CAD|Low: $272 CAD|High: $2,309 CAD|Avg: $859 CAD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 29, 2026
Retailer 3$272 CAD
Retailer 14$315 CAD
Retailer 7$337 CAD
Retailer 12$376 CAD
Retailer 8$434 CAD
Retailer 13$586 CAD
Retailer 2$616 CAD
Retailer 11$690 CAD
Retailer 4$692 CAD
Retailer 9$703 CAD
Retailer 10$1,085 CAD
MOH London$1,586 CAD
Retailer 5$1,588 CAD
Retailer 6$2,309 CAD

3 data points across 14 retailers

11 retailers$272 CAD to $1,586 CAD

A
Cheapest Retailer
-
$272 CAD
$194 USD
A
Retailer 2
-
$315 CAD
$225 USD
View
A
Retailer 3
-
$337 CAD
$241 USD
View
A
Retailer 4
-
$376 CAD
HK$2,100 HKD
View
A
Retailer 5
-
$434 CAD
£244 GBP
View
B+
Retailer 6
-
$586 CAD
$419 USD
View
A
Retailer 7
-
$616 CAD
£346 GBP
View
B+
Retailer 8
-
$690 CAD
$493 USD
View
B+
Retailer 9
-
$703 CAD
$502 USD
View
B
Retailer 10
-
$1,085 CAD
$775 USD
View
Most Expensive
B
MOH London
LG620488289 · Oct 29
$1,586 CAD
£892 GBP
View
10 more retailers have this diamond
Prices start from $272 CADSave up to $1,314 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
1.59ct Heart
$272 CAD