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Cushion|Lab Grown|IGI

3.51ct F VVS1 Cushion Lab Grown Diamond

EX • F/VVS1 • IGI LG813654337

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

Certificate IGI LG813654337

Diamond specifications and retailer prices

From $1,242 CAD
$889 USD
As of November 1, 2026
Save $6,584 CAD (84%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $7,826 CAD at Queensmith · As of October 27, 2026
View at Queensmith

About this 3.51ct lab-grown cushion diamond

This 3.51ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG813654337 or 813654337. Listed at 21 retailers as of October 27, 2026, with prices from $1,242 to $7,826, a $6,584 spread on the same certified stone. Queensmith lists it at $7,826. 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

3.51
Carat
F
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG813654337
Dimensions8.90 × 8.68 × 5.56 mm
L/W Ratio1.03
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.90 mm8.68 mm3.51 ctF / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG813654337
Side View
Table 62.0%Crown 32.9°Girdle: MED-STKPavilion 39.1°Culet: NoneDepth 64.1%

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: $1,493 CAD|Low: $1,242 CAD|High: $7,322 CAD|Avg: $3,225 CAD|-5.0%
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
Retailer 19
November 2, 2026
Retailer 8$1,242 CAD
Retailer 1$1,493 CAD
Retailer 2$1,551 CAD
Retailer 6$1,831 CAD
Retailer 9$1,842 CAD
Retailer 15$1,951 CAD
Retailer 12$1,957 CAD
Retailer 4$2,798 CAD
Retailer 17$2,906 CAD
Retailer 18$2,988 CAD
Retailer 7$3,164 CAD
Retailer 3$3,746 CAD
Retailer 5$4,004 CAD
Retailer 10$4,316 CAD
Retailer 11$4,449 CAD
Retailer 13$4,824 CAD
Retailer 16$5,295 CAD
Retailer 19$5,569 CAD
Retailer 14$7,322 CAD

27 data points across 19 retailers

21 retailers$1,242 CAD to $7,826 CAD

A
Cheapest Retailer
-
$1,242 CAD
$889 USD
Final sale: no returns
Retailer 2
-
$1,337 CAD
$957 USD
View
Price last confirmed 16 days ago
A
Retailer 3
-
$1,493 CAD
£841 GBP
View
A
Retailer 4
-
$1,551 CAD
$1,110 USD
View
A
Retailer 5
-
$1,831 CAD
$1,310 USD
View
A
Retailer 6
-
$1,842 CAD
$1,318 USD
View
A
Retailer 7
-
$1,951 CAD
€1,330 EUR
View
A
Retailer 8
-
$1,957 CAD
£1,103 GBP
View
B+
Retailer 9
-
$2,798 CAD
$2,002 USD
View
B+
Retailer 10
-
$2,906 CAD
A$3,199 AUD
View
B+
Retailer 11
-
$2,988 CAD
ZAR 34,540 ZAR
View
B+
Retailer 12
-
$3,164 CAD
$2,264 USD
View
B+
Retailer 13
-
$3,746 CAD
$2,681 USD
View
B
Retailer 14
-
$4,004 CAD
£2,256 GBP
View
B
Retailer 15
-
$4,316 CAD
$3,088 USD
View
B
Retailer 16
-
$4,449 CAD
$3,184 USD
View
B
Retailer 17
-
$4,824 CAD
£2,718 GBP
View
B
Retailer 18
-
$5,295 CAD
A$5,830 AUD
View
B
Retailer 19
-
$5,569 CAD
$3,985 USD
View
B
Retailer 20
-
$7,322 CAD
$5,240 USD
View
Most Expensive
B
Queensmith
LG813654337 · Oct 27
$7,826 CAD
£4,410 GBP
View
20 more retailers have this diamond
Prices start from $1,242 CADSave up to $6,584 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
3.51ct Cushion
$1,242 CAD