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Heart|Lab Grown|IGI

3.09ct D SI1 Heart Lab Grown Diamond

ID • D/SI1 • IGI LG743556975

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG743556975

Diamond specifications and retailer prices

From $523 CAD
$374 USD
As of October 27, 2026
Save $2,029 CAD (79%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,552 CAD at MOH London · As of October 29, 2026
View at MOH London

About this 3.09ct lab-grown heart diamond

This 3.09ct lab-grown heart sits in the three to five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG743556975 or 743556975. Listed at 12 retailers as of October 27, 2026, with prices from $523 to $2,552, a $2,029 spread on the same certified stone. MOH London lists it at $2,552. 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

3.09
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG743556975
Dimensions9.15 × 10.39 × 5.66 mm
L/W Ratio1.14
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.15 mm10.39 mm3.09 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG743556975
Side View
Table 60.0%Crown 34.7°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 54.5%

Caratlytics Score

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

Price History

Last verified: Oct 27
Current: $2,552 CAD|Low: $523 CAD|High: $7,474 CAD|Avg: $1,855 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 4$523 CAD
Retailer 3$607 CAD
Retailer 2$649 CAD
Retailer 12$717 CAD
Retailer 8$861 CAD
Retailer 9$891 CAD
Retailer 14$1,034 CAD
Retailer 10$1,092 CAD
Retailer 7$1,174 CAD
Retailer 5$1,378 CAD
Retailer 11$2,088 CAD
Retailer 13$2,186 CAD
MOH London$2,552 CAD
Retailer 6$7,474 CAD

3 data points across 14 retailers

12 retailers$523 CAD to $2,552 CAD

A
Cheapest Retailer
-
$523 CAD
$374 USD
A
Retailer 2
-
$607 CAD
$434 USD
View
A
Retailer 3
-
$649 CAD
$464 USD
View
A
Retailer 4
-
$717 CAD
HK$4,000 HKD
View
A
Retailer 5
-
$861 CAD
$615 USD
View
A
Retailer 6
-
$891 CAD
£501 GBP
View
B+
Retailer 7
-
$1,034 CAD
$739 USD
View
A
Retailer 8
-
$1,092 CAD
$780 USD
View
A
Retailer 9
-
$1,174 CAD
£661 GBP
View
B+
Retailer 10
-
$2,088 CAD
$1,492 USD
View
B
Retailer 11
-
$2,186 CAD
$1,562 USD
View
Most Expensive
B
MOH London
LG743556975 · Oct 29
$2,552 CAD
£1,436 GBP
View
11 more retailers have this diamond
Prices start from $523 CADSave up to $2,029 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
3.09ct Heart
$523 CAD