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Cushion|Lab Grown|IGI

1.51ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG830643286

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG830643286

Diamond specifications and retailer prices

From $407 CAD
£229 GBP
As of October 27, 2026
Save $1,409 CAD (78%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,816 CAD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.51ct lab-grown cushion diamond

This 1.51ct 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 LG830643286 or 830643286. Listed at 19 retailers as of October 27, 2026, with prices from $407 to $1,816, a $1,409 spread on the same certified stone. Brilliant Earth lists it at $1,816. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
D
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle33.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830643286
Dimensions7.70 × 5.91 × 3.81 mm
L/W Ratio1.30
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.70 mm5.91 mm1.51 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830643286
Side View
Table 62.0%Crown 34°Girdle: MED-STKPavilion 33.5°Culet: NoneDepth 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: Oct 27
Current: $1,816 CAD|Low: $328 CAD|High: $2,361 CAD|Avg: $1,017 CAD|-23.1%
Brilliant Earth
Retailer 2
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Retailer 6
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Retailer 12
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Retailer 20
October 31, 2026
Retailer 10$328 CAD
Retailer 16$407 CAD
Retailer 11$411 CAD
Retailer 2$587 CAD
Retailer 20$616 CAD
Retailer 4$626 CAD
Retailer 18$669 CAD
Retailer 6$718 CAD
Retailer 8$721 CAD
Retailer 17$851 CAD
Retailer 13$933 CAD
Retailer 15$1,169 CAD
Retailer 9$1,246 CAD
Retailer 12$1,418 CAD
Retailer 14$1,444 CAD
Retailer 19$1,462 CAD
Retailer 7$1,485 CAD
Retailer 3$1,523 CAD
Retailer 5$1,714 CAD
Brilliant Earth$1,816 CAD

32 data points across 20 retailers

19 retailers$407 CAD to $1,816 CAD

A
Cheapest Retailer
-
$407 CAD
£229 GBP
A
Retailer 2
-
$411 CAD
HK$2,300 HKD
View
A
Retailer 3
-
$587 CAD
€400 EUR
View
Retailer 4
-
$616 CAD
ZAR 7,127 ZAR
View
Price last confirmed 9 days ago
Retailer 5
-
$626 CAD
$448 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
$669 CAD
£377 GBP
View
A
Retailer 7
-
$718 CAD
$514 USD
View
A
Retailer 8
-
$721 CAD
$516 USD
View
A
Retailer 9
-
$851 CAD
A$937 AUD
View
B+
Retailer 10
-
$933 CAD
$668 USD
View
B+
Retailer 11
-
$1,169 CAD
SGD 1,131 SGD
View
B+
Retailer 12
-
$1,246 CAD
$892 USD
View
Retailer 13
-
$1,418 CAD
A$1,562 AUD
View
Price last confirmed 32 days ago
B
Retailer 14
-
$1,444 CAD
$1,034 USD
View
Retailer 15
-
$1,462 CAD
£824 GBP
View
Price last confirmed 8 days ago
B
Retailer 16
-
$1,485 CAD
$1,063 USD
View
Retailer 17
-
$1,523 CAD
$1,090 USD
View
Price last confirmed 11 days ago
Retailer 18
-
$1,714 CAD
$1,227 USD
View
Price last confirmed 7 days ago
Most Expensive
B
Brilliant Earth
21274481A · Oct 31
$1,816 CAD
$1,300 USD
View
18 more retailers have this diamond
Prices start from $407 CADSave up to $1,409 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
1.51ct Cushion
$407 CAD