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Heart|Lab Grown|IGI

3.09ct D SI2 Heart Lab Grown Diamond

ID • D/SI2 • IGI LG685540444

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG685540444

Diamond specifications and retailer prices

From $561 CAD
$401 USD
As of October 27, 2026
Save $4,785 CAD (90%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $5,346 CAD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG685540444 or 685540444. Listed at 14 retailers as of October 27, 2026, with prices from $561 to $5,346, a $4,785 spread on the same certified stone. Brilliant Earth lists it at $5,346. 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
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.6°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG685540444
Dimensions9.89 × 8.87 × 5.99 mm
L/W Ratio1.11
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.89 mm8.87 mm3.09 ctD / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG685540444
Side View
Table 59.0%Crown 37.6°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 60.6%

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: $5,346 CAD|Low: $539 CAD|High: $5,514 CAD|Avg: $1,715 CAD|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 12$561 CAD
Retailer 3$628 CAD
Retailer 7$661 CAD
Retailer 4$696 CAD
Retailer 13$935 CAD
Retailer 2$1,195 CAD
Retailer 5$1,229 CAD
Retailer 10$1,663 CAD
Retailer 11$1,671 CAD
Retailer 6$1,920 CAD
Retailer 8$2,123 CAD
Retailer 9$2,723 CAD
Brilliant Earth$5,346 CAD

44 data points across 13 retailers

14 retailers$561 CAD to $5,346 CAD

A
Cheapest Retailer
-
$561 CAD
$401 USD
A
Retailer 2
-
$628 CAD
$449 USD
View
A
Retailer 3
-
$661 CAD
$472 USD
View
A
Retailer 4
-
$696 CAD
$497 USD
View
B+
Retailer 5
-
$935 CAD
$668 USD
View
A
Retailer 6
-
$1,195 CAD
£672 GBP
View
A
Retailer 7
-
$1,229 CAD
$878 USD
View
Retailer 8
-
$1,531 CAD
$1,094 USD
View
Price last confirmed 20 days ago
B+
Retailer 9
-
$1,663 CAD
A$1,828 AUD
View
B+
Retailer 10
-
$1,671 CAD
$1,194 USD
View
B+
Retailer 11
-
$1,920 CAD
$1,372 USD
View
B+
Retailer 12
-
$2,123 CAD
$1,517 USD
View
B
Retailer 13
-
$2,723 CAD
£1,532 GBP
View
Most Expensive
B
Brilliant Earth
13281496A · Oct 28
$5,346 CAD
$3,820 USD
View
13 more retailers have this diamond
Prices start from $561 CADSave up to $4,785 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
$561 CAD