Cushion|Lab Grown|IGI

4.09ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG837637820

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG837637820

Diamond specifications and retailer prices

From $2,043 CAD
$1,462 USD
As of November 1, 2026
Save $9,164 CAD (82%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $11,207 CAD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 4.09ct lab-grown cushion diamond

This 4.09ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG837637820 or 837637820. Listed at 14 retailers as of October 30, 2026, with prices from $2,043 to $11,207, a $9,164 spread on the same certified stone. Brilliant Earth lists it at $11,207. 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
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837637820
Dimensions11.13 × 8.53 × 5.50 mm
L/W Ratio1.30
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.13 mm8.53 mm4.09 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837637820
Side View
Table 49.0%Crown 36.5°Girdle: STK-THKPavilion 40.1°Culet: LargeDepth 64.5%

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: Nov 1
Current: $11,207 CAD|Low: $2,043 CAD|High: $11,207 CAD|Avg: $4,207 CAD
Brilliant Earth
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
November 2, 2026
Retailer 14$2,043 CAD
Retailer 13$2,355 CAD
Retailer 4$2,450 CAD
Retailer 6$2,580 CAD
Retailer 8$2,984 CAD
Retailer 7$3,350 CAD
Retailer 2$3,373 CAD
Retailer 10$4,505 CAD
Retailer 11$4,542 CAD
Retailer 9$6,074 CAD
Retailer 12$6,292 CAD
Retailer 3$7,087 CAD
Retailer 5$7,433 CAD
Brilliant Earth$11,207 CAD

31 data points across 14 retailers

14 retailers$2,043 CAD to $11,207 CAD

A
Cheapest Retailer
-
$2,043 CAD
$1,462 USD
Final sale: no returns
A
Retailer 2
-
$2,355 CAD
$1,685 USD
View
B+
Retailer 3
-
$2,450 CAD
HK$13,700 HKD
View
B+
Retailer 4
-
$2,580 CAD
$1,846 USD
View
B+
Retailer 5
-
$2,984 CAD
£1,681 GBP
View
B+
Retailer 6
-
$3,350 CAD
$2,397 USD
View
B+
Retailer 7
-
$3,373 CAD
€2,299 EUR
View
B
Retailer 8
-
$4,505 CAD
ZAR 52,087 ZAR
View
Retailer 9
-
$4,542 CAD
A$5,001 AUD
View
Price last confirmed 11 days ago
B
Retailer 10
-
$6,074 CAD
$4,347 USD
View
B
Retailer 11
-
$6,292 CAD
$4,503 USD
View
B
Retailer 12
-
$7,087 CAD
SGD 6,853 SGD
View
B
Retailer 13
-
$7,433 CAD
$5,319 USD
View
Most Expensive
B
Brilliant Earth
22337186A · Oct 30
$11,207 CAD
$8,020 USD
View
13 more retailers have this diamond
Prices start from $2,043 CADSave up to $9,164 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
4.09ct Cushion
$2,043 CAD