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Cushion|Lab Grown|IGI

3.05ct F SI1 Cushion Lab Grown Diamond

ID • F/SI1 • IGI LG812619683

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG812619683

Diamond specifications and retailer prices

From $557 CAD
As of November 6, 2026
Save $3,044 CAD (85%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,601 CAD at Brilliant Earth · As of November 6, 2026
View at Brilliant Earth

About this 3.05ct lab-grown cushion diamond

This 3.05ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG812619683 or 812619683. Listed at 15 retailers as of November 6, 2026, with prices from $557 to $3,601, a $3,044 spread on the same certified stone. Brilliant Earth lists it at $3,601. 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

3.05
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG812619683
Dimensions10.28 × 7.42 × 4.67 mm
L/W Ratio1.39
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.28 mm7.42 mm3.05 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG812619683
Side View
Table 61.0%Crown 34.1°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 62.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: $3,601 CAD|Low: $557 CAD|High: $3,601 CAD|Avg: $1,486 CAD
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
Retailer 14
Retailer 15
November 7, 2026
Retailer 12$557 CAD
Retailer 6$684 CAD
Retailer 10$731 CAD
Retailer 8$758 CAD
Retailer 11$954 CAD
Retailer 13$993 CAD
Retailer 7$1,070 CAD
Retailer 9$1,103 CAD
Retailer 14$1,454 CAD
Retailer 4$1,543 CAD
Retailer 15$1,553 CAD
Retailer 3$1,979 CAD
Retailer 2$2,405 CAD
Retailer 5$2,743 CAD
Brilliant Earth$3,601 CAD

31 data points across 15 retailers

15 retailers$557 CAD to $3,601 CAD

A
Cheapest Retailer
-
$557 CAD
Final sale: no returns
A
Retailer 2
-
$684 CAD
View
A
Retailer 3
-
$731 CAD
View
A
Retailer 4
-
$758 CAD
View
A
Retailer 5
-
$954 CAD
View
B+
Retailer 6
-
$993 CAD
View
Retailer 7
-
$1,070 CAD
View
Price last confirmed 12 days ago
A
Retailer 8
-
$1,103 CAD
View
A
Retailer 9
-
$1,454 CAD
View
A
Retailer 10
-
$1,543 CAD
View
B+
Retailer 11
-
$1,553 CAD
View
B+
Retailer 12
-
$1,979 CAD
View
B+
Retailer 13
-
$2,405 CAD
View
Retailer 14
-
$2,743 CAD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
20319639A · Nov 6
$3,601 CAD
$2,560 USD
View
14 more retailers have this diamond
Prices start from $557 CADSave up to $3,044 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
3.05ct Cushion
$557 CAD