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Cushion|Lab Grown|IGI

4.09ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG665410165

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG665410165

Diamond specifications and retailer prices

From $13,522 CAD
$9,680 USD
As of October 29, 2026
3 retailers carry this diamond
Most expensive: $17,279 CAD at Novita Diamonds · As of July 4, 2026
View at Novita Diamonds

About this 4.09ct lab-grown cushion diamond

This 4.09ct 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 LG665410165 or 665410165. Listed at 3 retailers as of October 29, 2026. 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

4.09
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle36.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG665410165
Dimensions10.52 × 8.77 × 5.74 mm
L/W Ratio1.20
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
10.52 mm8.77 mm4.09 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG665410165
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 36.3°Culet: NoneDepth 65.5%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 29
Current: $17,279 CAD|Low: $3,544 CAD|High: $44,827 CAD|Avg: $14,852 CAD|-9.2%
Novita Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 16
August 18, 2026
Retailer 16$3,544 CAD
Retailer 14$5,364 CAD
Retailer 3$6,083 CAD
Retailer 11$6,306 CAD
Retailer 10$6,926 CAD
Retailer 5$7,116 CAD
Retailer 2$8,068 CAD
Retailer 9$8,476 CAD
Retailer 15$9,031 CAD
Retailer 7$11,155 CAD
Retailer 12$13,522 CAD
Retailer 13$14,155 CAD
Novita Diamonds$17,279 CAD
Retailer 8$19,897 CAD
Retailer 6$19,967 CAD
Retailer 4$30,494 CAD

72 data points across 16 retailers

3 retailers

Retailer 1
-
$8,476 CAD
$6,067 USD
Price last confirmed 74 days ago
B+
Retailer 2
-
$13,522 CAD
$9,680 USD
View
Most Expensive
Novita Diamonds
cert_665410165 · Jul 4
$17,279 CAD
A$19,030 AUD
View
Price last confirmed 119 days ago
2 more retailers have this diamond
Prices start from $13,522 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.

B+
4.09ct Cushion
$13,522 CAD