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Cushion|Lab Grown|IGI

1.21ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG779643097

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

Certificate IGI LG779643097

Diamond specifications and retailer prices

From $309 CAD
$221 USD
As of October 30, 2026
Save $1,349 CAD (81%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,658 CAD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.21ct lab-grown cushion diamond

This 1.21ct lab-grown cushion sits in the classic one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG779643097 or 779643097. Listed at 19 retailers as of October 30, 2026, with prices from $309 to $1,658, a $1,349 spread on the same certified stone. Reve Diamonds lists it at $1,658. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
D
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle33.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG779643097
Dimensions6.08 × 6.08 × 3.78 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.08 mm6.08 mm1.21 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG779643097
Side View
Table 66.0%Crown 35.3°Girdle: STK-THKPavilion 33.8°Culet: NoneDepth 62.2%

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: $827 CAD|Low: $309 CAD|High: $1,621 CAD|Avg: $839 CAD|+3.9%
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
October 31, 2026
Retailer 2$309 CAD
Retailer 5$342 CAD
Retailer 6$459 CAD
Retailer 8$579 CAD
Retailer 11$589 CAD
Retailer 7$627 CAD
Retailer 1$827 CAD
Retailer 13$838 CAD
Retailer 10$1,013 CAD
Retailer 12$1,049 CAD
Retailer 3$1,327 CAD
Retailer 4$1,341 CAD
Retailer 9$1,611 CAD

34 data points across 13 retailers

19 retailers$309 CAD to $1,658 CAD

A
Cheapest Retailer
-
$309 CAD
$221 USD
Final sale: no returns
A
Retailer 2
-
$342 CAD
$245 USD
View
A
Retailer 3
-
$459 CAD
£259 GBP
View
B+
Retailer 4
-
$464 CAD
$332 USD
View
A
Retailer 5
-
$579 CAD
€395 EUR
View
A
Retailer 6
-
$589 CAD
ZAR 6,808 ZAR
View
A
Retailer 7
-
$627 CAD
£354 GBP
View
A
Retailer 8
-
$650 CAD
$465 USD
View
A
Retailer 9
-
$684 CAD
$490 USD
View
B+
Retailer 10
-
$827 CAD
$592 USD
View
B+
Retailer 11
-
$838 CAD
A$923 AUD
View
B+
Retailer 12
-
$1,013 CAD
$725 USD
View
B+
Retailer 13
-
$1,049 CAD
A$1,155 AUD
View
B+
Retailer 14
-
$1,121 CAD
SGD 1,084 SGD
View
B
Retailer 15
-
$1,177 CAD
$842 USD
View
B
Retailer 16
-
$1,327 CAD
$950 USD
View
B
Retailer 17
-
$1,341 CAD
£756 GBP
View
B
Retailer 18
-
$1,611 CAD
£908 GBP
View
Most Expensive
B
Reve Diamonds
227E444CF · Oct 30
$1,658 CAD
$1,187 USD
View
18 more retailers have this diamond
Prices start from $309 CADSave up to $1,349 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
1.21ct Cushion
$309 CAD