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Cushion|Lab Grown|IGI

4.11ct E FL Cushion Lab Grown Diamond

EX • E/FL • IGI LG844621789

Shape and cutting style on the report: Square cushion antique cut

Certificate IGI LG844621789

Diamond specifications and retailer prices

From $8,821 CAD
$6,315 USD
As of October 28, 2026
Save $22,428 CAD (72%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $31,249 CAD at Taylor and Hart · As of October 26, 2026
View at Taylor and Hart

About this 4.11ct lab-grown cushion diamond

This 4.11ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG844621789 or 844621789. Listed at 10 retailers as of October 26, 2026, with prices from $8,821 to $31,249, a $22,428 spread on the same certified stone. Taylor and Hart lists it at $31,249. 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

4.11
Carat
E
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844621789
Dimensions9.81 × 9.52 × 6.04 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizeLarge
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
9.81 mm9.52 mm4.11 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844621789
Side View
Table 51.0%Crown 36.4°Girdle: MED-STKPavilion 41.2°Culet: LargeDepth 63.4%

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 28
Current: $11,236 CAD|Low: $8,821 CAD|High: $31,249 CAD|Avg: $15,293 CAD|-2.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Taylor and Hart
October 27, 2026
Retailer 6$8,821 CAD
Retailer 5$9,410 CAD
Retailer 7$10,073 CAD
Retailer 4$10,853 CAD
Retailer 1$11,236 CAD
Retailer 10$12,518 CAD
Retailer 8$14,616 CAD
Retailer 2$14,884 CAD
Retailer 3$17,955 CAD
Retailer 9$24,507 CAD
Taylor and Hart$31,249 CAD

14 data points across 11 retailers

10 retailers$8,821 CAD to $31,249 CAD

A
Cheapest Retailer
-
$8,821 CAD
$6,315 USD
A
Retailer 2
-
$9,410 CAD
$6,736 USD
View
A
Retailer 3
-
$10,853 CAD
$7,769 USD
View
A
Retailer 4
-
$11,236 CAD
£6,334 GBP
View
B+
Retailer 5
-
$12,518 CAD
£7,056 GBP
View
B+
Retailer 6
-
$14,616 CAD
$10,463 USD
View
B+
Retailer 7
-
$14,884 CAD
$10,655 USD
View
B+
Retailer 8
-
$17,955 CAD
£10,121 GBP
View
B
Retailer 9
-
$24,507 CAD
$17,544 USD
View
Most Expensive
B
Taylor and Hart
0QD3Q6C · Oct 26
$31,249 CAD
$22,371 USD
View
9 more retailers have this diamond
Prices start from $8,821 CADSave up to $22,428 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
4.11ct Cushion
$8,821 CAD