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Cushion|Lab Grown|IGI

4.01ct E FL Cushion Lab Grown Diamond

EX • E/FL • IGI LG800663001

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

Certificate IGI LG800663001

Diamond specifications and retailer prices

From $7,419 CAD
$5,311 USD
As of October 29, 2026
Save $23,224 CAD (76%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $30,643 CAD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 4.01ct lab-grown cushion diamond

This 4.01ct 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 LG800663001 or 800663001. Listed at 16 retailers as of October 29, 2026, with prices from $7,419 to $30,643, a $23,224 spread on the same certified stone. Taylor and Hart lists it at $30,643. 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

4.01
Carat
E
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.4°
Pavilion angle41.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800663001
Dimensions10.82 × 7.43 × 4.88 mm
L/W Ratio1.46
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
10.82 mm7.43 mm4.01 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800663001
Side View
Table 67.0%Crown 38.4°Girdle: MED-STKPavilion 41.8°Culet: LargeDepth 65.7%

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 29
Current: $11,031 CAD|Low: $6,433 CAD|High: $30,643 CAD|Avg: $13,281 CAD|+0.5%
Retailer 1
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
Taylor and Hart
October 30, 2026
Retailer 12$7,419 CAD
Retailer 14$7,775 CAD
Retailer 2$8,606 CAD
Retailer 4$8,606 CAD
Retailer 11$8,626 CAD
Retailer 6$9,020 CAD
Retailer 9$9,827 CAD
Retailer 3$10,216 CAD
Retailer 10$10,598 CAD
Retailer 1$11,031 CAD
Retailer 5$12,198 CAD
Retailer 15$14,521 CAD
Retailer 8$17,606 CAD
Retailer 13$19,168 CAD
Retailer 7$23,932 CAD
Taylor and Hart$30,643 CAD

42 data points across 16 retailers

16 retailers$7,419 CAD to $30,643 CAD

A
Cheapest Retailer
-
$7,419 CAD
$5,311 USD
A
Retailer 2
-
$7,775 CAD
$5,566 USD
View
A
Retailer 3
-
$8,606 CAD
$6,161 USD
View
Retailer 4
-
$8,606 CAD
$6,161 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
$8,626 CAD
$6,175 USD
View
A
Retailer 6
-
$9,020 CAD
$6,457 USD
View
A
Retailer 7
-
$9,827 CAD
$7,035 USD
View
Final sale: no returns
A
Retailer 8
-
$10,216 CAD
$7,313 USD
View
A
Retailer 9
-
$10,598 CAD
$7,587 USD
View
A
Retailer 10
-
$11,031 CAD
£6,218 GBP
View
B+
Retailer 11
-
$12,198 CAD
£6,876 GBP
View
B+
Retailer 12
-
$14,521 CAD
$10,395 USD
View
B+
Retailer 13
-
$17,606 CAD
£9,924 GBP
View
B
Retailer 14
-
$19,168 CAD
$13,722 USD
View
B
Retailer 15
-
$23,932 CAD
$17,132 USD
View
Most Expensive
B
Taylor and Hart
3HNUFDP · Oct 30
$30,643 CAD
$21,937 USD
View
15 more retailers have this diamond
Prices start from $7,419 CADSave up to $23,224 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
4.01ct Cushion
$7,419 CAD