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Cushion|Lab Grown|IGI

4.05ct E IF Cushion Lab Grown Diamond

EX • E/IF • IGI LG760519436

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG760519436

Diamond specifications and retailer prices

From $4,441 CAD
$3,179 USD
As of October 30, 2026
Save $11,593 CAD (72%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $16,034 CAD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG760519436 or 760519436. Listed at 20 retailers as of October 30, 2026, with prices from $4,441 to $16,034, a $11,593 spread on the same certified stone. Taylor and Hart lists it at $16,034. 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
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG760519436
Dimensions9.25 × 9.25 × 6.18 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
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
9.25 mm9.25 mm4.05 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG760519436
Side View
Table 62.0%Crown 37.1°Girdle: MED-THKPavilion 39.9°Culet: NoneDepth 66.8%

Caratlytics Score

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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: Oct 30
Current: $5,955 CAD|Low: $4,441 CAD|High: $16,813 CAD|Avg: $9,410 CAD
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
Retailer 16
Retailer 17
Retailer 18
Taylor and Hart
October 31, 2026
Retailer 11$4,441 CAD
Retailer 7$4,756 CAD
Retailer 4$4,826 CAD
Retailer 10$4,829 CAD
Retailer 1$5,955 CAD
Retailer 12$6,217 CAD
Retailer 5$6,917 CAD
Retailer 14$7,356 CAD
Retailer 18$7,941 CAD
Retailer 17$7,947 CAD
Retailer 13$9,795 CAD
Retailer 9$10,211 CAD
Retailer 8$10,363 CAD
Retailer 2$11,010 CAD
Retailer 15$11,727 CAD
Retailer 3$12,053 CAD
Retailer 16$12,809 CAD
Retailer 6$13,718 CAD
Taylor and Hart$16,034 CAD

34 data points across 19 retailers

20 retailers$4,441 CAD to $16,034 CAD

A
Cheapest Retailer
-
$4,441 CAD
$3,179 USD
Final sale: no returns
A
Retailer 2
-
$4,756 CAD
$3,405 USD
View
A
Retailer 3
-
$4,826 CAD
$3,455 USD
View
Retailer 4
-
$4,829 CAD
$3,457 USD
View
Price last confirmed 20 days ago
A
Retailer 5
-
$5,955 CAD
$4,263 USD
View
A
Retailer 6
-
$6,217 CAD
£3,504 GBP
View
Retailer 7
-
$6,692 CAD
£3,772 GBP
View
Price last confirmed 19 days ago
A
Retailer 8
-
$6,917 CAD
$4,952 USD
View
A
Retailer 9
-
$7,356 CAD
€5,015 EUR
View
A
Retailer 10
-
$7,941 CAD
£4,476 GBP
View
A
Retailer 11
-
$7,947 CAD
$5,689 USD
View
A
Retailer 12
-
$9,795 CAD
ZAR 113,279 ZAR
View
Retailer 13
-
$10,211 CAD
$7,310 USD
View
Price last confirmed 12 days ago
Retailer 14
-
$10,363 CAD
A$11,413 AUD
View
Price last confirmed 8 days ago
A
Retailer 15
-
$11,010 CAD
$7,882 USD
View
A
Retailer 16
-
$11,727 CAD
£6,610 GBP
View
B+
Retailer 17
-
$12,053 CAD
$8,629 USD
View
B+
Retailer 18
-
$12,809 CAD
$9,170 USD
View
B+
Retailer 19
-
$13,718 CAD
$9,820 USD
View
Most Expensive
B+
Taylor and Hart
7VGQJQS · Oct 30
$16,034 CAD
$11,478 USD
View
19 more retailers have this diamond
Prices start from $4,441 CADSave up to $11,593 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
$4,441 CAD