Cushion|Lab Grown|IGI

4.05ct E VS2 Cushion Lab Grown Diamond

ID • E/VS2 • IGI LG836665738

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG836665738

Diamond specifications and retailer prices

From $780 CAD
£440 GBP
As of October 30, 2026
Save $9,082 CAD (92%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $9,862 CAD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 4.05ct lab-grown cushion diamond

This 4.05ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG836665738 or 836665738. Listed at 11 retailers as of October 30, 2026, with prices from $780 to $9,862, a $9,082 spread on the same certified stone. Brilliant Earth lists it at $9,862. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.05
Carat
E
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836665738
Dimensions9.27 × 9.13 × 6.10 mm
L/W Ratio1.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.27 mm9.13 mm4.05 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836665738
Side View
Table 61.0%Crown 35.6°Girdle: MED-STKPavilion 39.2°Culet: NoneDepth 66.8%

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 30
Current: $9,862 CAD|Low: $778 CAD|High: $9,862 CAD|Avg: $3,026 CAD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 2$780 CAD
Retailer 7$1,076 CAD
Retailer 3$1,440 CAD
Retailer 4$1,451 CAD
Retailer 5$1,512 CAD
Retailer 8$2,221 CAD
Retailer 9$3,001 CAD
Retailer 11$3,026 CAD
Retailer 10$3,807 CAD
Retailer 6$3,912 CAD
Brilliant Earth$9,862 CAD

13 data points across 11 retailers

11 retailers$780 CAD to $9,862 CAD

A
Cheapest Retailer
-
$780 CAD
£440 GBP
A
Retailer 2
-
$1,076 CAD
$770 USD
View
B+
Retailer 3
-
$1,440 CAD
$1,031 USD
View
A
Retailer 4
-
$1,451 CAD
£818 GBP
View
A
Retailer 5
-
$1,512 CAD
€1,031 EUR
View
A
Retailer 6
-
$2,221 CAD
$1,590 USD
View
B+
Retailer 7
-
$3,001 CAD
$2,148 USD
View
Retailer 8
-
$3,026 CAD
$2,166 USD
View
Price last confirmed 12 days ago
Retailer 9
-
$3,807 CAD
$2,725 USD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
$3,912 CAD
£2,205 GBP
View
Most Expensive
B
Brilliant Earth
22163203A · Oct 30
$9,862 CAD
$7,060 USD
View
10 more retailers have this diamond
Prices start from $780 CADSave up to $9,082 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
4.05ct Cushion
$780 CAD