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Cushion|Lab Grown|IGI

1.51ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG821606794

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG821606794

Diamond specifications and retailer prices

From $341 CAD
$244 USD
As of October 30, 2026
Save $2,711 CAD (89%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,051 CAD at Queensmith · As of October 27, 2026
View at Queensmith

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 LG821606794 or 821606794. Listed at 15 retailers as of October 27, 2026, with prices from $341 to $3,051, a $2,711 spread on the same certified stone. Queensmith lists it at $3,051. 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 angle33.3°
Pavilion angle32.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821606794
Dimensions7.69 × 6.04 × 3.75 mm
L/W Ratio1.27
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.69 mm6.04 mm1.51 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821606794
Side View
Table 64.0%Crown 33.3°Girdle: MED-THKPavilion 32.3°Culet: NoneDepth 62.1%

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: Oct 30
Current: $697 CAD|Low: $341 CAD|High: $1,749 CAD|Avg: $1,000 CAD|+1.9%
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
October 31, 2026
Retailer 14$341 CAD
Retailer 11$379 CAD
Retailer 3$648 CAD
Retailer 9$650 CAD
Retailer 1$697 CAD
Retailer 7$697 CAD
Retailer 6$722 CAD
Retailer 10$883 CAD
Retailer 4$1,290 CAD
Retailer 8$1,408 CAD
Retailer 12$1,519 CAD
Retailer 2$1,539 CAD
Retailer 13$1,544 CAD
Retailer 5$1,749 CAD

42 data points across 14 retailers

15 retailers$341 CAD to $3,051 CAD

A
Cheapest Retailer
-
$341 CAD
$244 USD
Final sale: no returns
A
Retailer 2
-
$379 CAD
$271 USD
View
A
Retailer 3
-
$648 CAD
$464 USD
View
A
Retailer 4
-
$650 CAD
ZAR 7,516 ZAR
View
A
Retailer 5
-
$697 CAD
€475 EUR
View
A
Retailer 6
-
$697 CAD
£393 GBP
View
A
Retailer 7
-
$722 CAD
$517 USD
View
A
Retailer 8
-
$883 CAD
A$973 AUD
View
B+
Retailer 9
-
$1,290 CAD
$923 USD
View
B+
Retailer 10
-
$1,408 CAD
A$1,551 AUD
View
B+
Retailer 11
-
$1,519 CAD
£856 GBP
View
B
Retailer 12
-
$1,539 CAD
$1,102 USD
View
Retailer 13
-
$1,544 CAD
$1,105 USD
View
Price last confirmed 14 days ago
B
Retailer 14
-
$1,749 CAD
$1,252 USD
View
Most Expensive
B
Queensmith
LG821606794 · Oct 27
$3,051 CAD
£1,720 GBP
View
14 more retailers have this diamond
Prices start from $341 CADSave up to $2,711 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
$341 CAD