Cushion|Lab Grown|IGI

1.21ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG828658173

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG828658173

Diamond specifications and retailer prices

From $458 CAD
$328 USD
As of October 30, 2026
Save $2,168 CAD (83%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,626 CAD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore 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 LG828658173 or 828658173. Listed at 10 retailers as of October 30, 2026, with prices from $458 to $2,626, a $2,168 spread on the same certified stone. Do Amore Diamonds lists it at $2,626. 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 angle38.8°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828658173
Dimensions7.67 × 5.44 × 3.47 mm
L/W Ratio1.41
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.67 mm5.44 mm1.21 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828658173
Side View
Table 66.0%Crown 38.8°Girdle: MED-STKPavilion 35.8°Culet: NoneDepth 63.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $2,626 CAD|Low: $384 CAD|High: $2,626 CAD|Avg: $921 CAD
Do Amore Diamonds
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 30, 2026
Retailer 11$458 CAD
Retailer 4$466 CAD
Retailer 14$478 CAD
Retailer 2$502 CAD
Retailer 10$517 CAD
Retailer 7$610 CAD
Retailer 13$766 CAD
Retailer 6$985 CAD
Retailer 3$985 CAD
Retailer 5$1,003 CAD
Retailer 8$1,079 CAD
Retailer 12$1,230 CAD
Retailer 9$1,503 CAD
Do Amore Diamonds$2,626 CAD

8 data points across 14 retailers

10 retailers$458 CAD to $2,626 CAD

B+
Cheapest Retailer
-
$458 CAD
$328 USD
A
Retailer 2
-
$502 CAD
£283 GBP
View
Retailer 3
-
$517 CAD
$370 USD
View
Price last confirmed 9 days ago
A
Retailer 4
-
$610 CAD
€416 EUR
View
B+
Retailer 5
-
$766 CAD
$548 USD
View
Retailer 6
-
$1,003 CAD
$718 USD
View
Price last confirmed 51 days ago
B+
Retailer 7
-
$1,079 CAD
A$1,188 AUD
View
B
Retailer 8
-
$1,230 CAD
$880 USD
View
B
Retailer 9
-
$1,503 CAD
£847 GBP
View
Most Expensive
B
Do Amore Diamonds
27-86CAAC5FE · Oct 31
$2,626 CAD
$1,880 USD
View
9 more retailers have this diamond
Prices start from $458 CADSave up to $2,168 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
$458 CAD