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Cushion|Lab Grown|IGI

1.71ct D VS1 Cushion Lab Grown Diamond

EX • D/VS1 • IGI LG662481609

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG662481609

Diamond specifications and retailer prices

From $451 CAD
$323 USD
As of October 30, 2026
Save $2,706 CAD (86%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,157 CAD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.71ct lab-grown cushion diamond

This 1.71ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG662481609 or 662481609. Listed at 17 retailers as of October 30, 2026, with prices from $451 to $3,157, a $2,706 spread on the same certified stone. Brilliant Earth lists it at $3,157. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.71
Carat
D
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG662481609
Dimensions6.90 × 6.86 × 4.70 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.90 mm6.86 mm1.71 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG662481609
Side View
Table 63.0%Crown 36.1°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 68.5%

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: Oct 30
Current: $3,157 CAD|Low: $381 CAD|High: $3,576 CAD|Avg: $1,248 CAD|-7.4%
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
Retailer 15
Retailer 16
Retailer 17
November 1, 2026
Retailer 7$451 CAD
Retailer 15$501 CAD
Retailer 16$561 CAD
Retailer 17$684 CAD
Retailer 10$747 CAD
Retailer 8$821 CAD
Retailer 12$861 CAD
Retailer 2$879 CAD
Retailer 5$926 CAD
Retailer 3$981 CAD
Retailer 11$1,165 CAD
Retailer 6$1,679 CAD
Retailer 14$1,886 CAD
Retailer 4$1,926 CAD
Retailer 13$2,010 CAD
Retailer 9$2,065 CAD
Brilliant Earth$3,157 CAD

39 data points across 17 retailers

17 retailers$451 CAD to $3,157 CAD

A
Cheapest Retailer
-
$451 CAD
$323 USD
Final sale: no returns
Retailer 2
-
$501 CAD
$359 USD
View
Price last confirmed 7 days ago
Retailer 3
-
$561 CAD
£316 GBP
View
Price last confirmed 15 days ago
A
Retailer 4
-
$684 CAD
$490 USD
View
A
Retailer 5
-
$747 CAD
€509 EUR
View
A
Retailer 6
-
$821 CAD
$588 USD
View
A
Retailer 7
-
$861 CAD
ZAR 9,956 ZAR
View
A
Retailer 8
-
$879 CAD
£495 GBP
View
A
Retailer 9
-
$926 CAD
$663 USD
View
B+
Retailer 10
-
$981 CAD
$702 USD
View
B+
Retailer 11
-
$1,165 CAD
A$1,283 AUD
View
B
Retailer 12
-
$1,679 CAD
$1,202 USD
View
Retailer 13
-
$1,886 CAD
$1,350 USD
View
Price last confirmed 10 days ago
B
Retailer 14
-
$1,926 CAD
$1,379 USD
View
B
Retailer 15
-
$2,010 CAD
£1,133 GBP
View
B
Retailer 16
-
$2,065 CAD
$1,478 USD
View
Most Expensive
B
Brilliant Earth
12241631A · Oct 30
$3,157 CAD
$2,260 USD
View
16 more retailers have this diamond
Prices start from $451 CADSave up to $2,706 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
1.71ct Cushion
$451 CAD