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Cushion|Lab Grown|IGI

3.05ct F SI2 Cushion Lab Grown Diamond

ID • F/SI2 • IGI LG625428284

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG625428284

Diamond specifications and retailer prices

From $665 CAD
As of November 6, 2026
Save $2,129 CAD (76%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,794 CAD at MOH London · As of November 5, 2026
View at MOH London

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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG625428284 or 625428284. Listed at 11 retailers as of November 5, 2026, with prices from $665 to $2,794, a $2,129 spread on the same certified stone. MOH London lists it at $2,794. 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
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG625428284
Dimensions10.45 × 7.73 × 4.97 mm
L/W Ratio1.35
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
10.45 mm7.73 mm3.05 ctF / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG625428284
Side View
Table 60.0%Crown 34.5°Girdle: THN-MEDPavilion 35.4°Culet: NoneDepth 64.3%

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: Nov 6
Current: $2,794 CAD|Low: $647 CAD|High: $5,092 CAD|Avg: $1,695 CAD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 5$665 CAD
Retailer 9$717 CAD
Retailer 8$959 CAD
Retailer 2$1,135 CAD
Retailer 10$1,144 CAD
Retailer 3$1,160 CAD
Retailer 4$1,736 CAD
Retailer 6$2,701 CAD
Retailer 7$2,743 CAD
MOH London$2,794 CAD

44 data points across 10 retailers

11 retailers$665 CAD to $2,794 CAD

A
Cheapest Retailer
-
$665 CAD
Final sale: no returns
Retailer 2
-
$717 CAD
View
Price last confirmed 12 days ago
B+
Retailer 3
-
$959 CAD
View
A
Retailer 4
-
$1,135 CAD
View
A
Retailer 5
-
$1,144 CAD
View
A
Retailer 6
-
$1,160 CAD
View
A
Retailer 7
-
$1,356 CAD
View
B+
Retailer 8
-
$1,736 CAD
View
B
Retailer 9
-
$2,701 CAD
View
B
Retailer 10
-
$2,743 CAD
View
Most Expensive
B+
MOH London
LG625428284 · Nov 5
$2,794 CAD
£1,564 GBP
View
10 more retailers have this diamond
Prices start from $665 CADSave up to $2,129 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
$665 CAD