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Cushion|Lab Grown|IGI

1.21ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG828685827

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

Certificate IGI LG828685827

Diamond specifications and retailer prices

From $335 CAD
$240 USD
As of November 1, 2026
Save $1,274 CAD (79%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,610 CAD at Reve Diamonds · As of November 1, 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 F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG828685827 or 828685827. Listed at 15 retailers as of November 1, 2026, with prices from $335 to $1,610, a $1,274 spread on the same certified stone. Reve Diamonds lists it at $1,610. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828685827
Dimensions6.30 × 6.19 × 4.06 mm
L/W Ratio1.02
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.30 mm6.19 mm1.21 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828685827
Side View
Table 62.0%Crown 33.1°Girdle: MED-THKPavilion 39.2°Culet: NoneDepth 65.6%

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: Nov 1
Current: $587 CAD|Low: $272 CAD|High: $1,610 CAD|Avg: $800 CAD|+8.6%
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
Reve Diamonds
November 3, 2026
Retailer 6$312 CAD
Retailer 10$335 CAD
Retailer 13$543 CAD
Retailer 11$559 CAD
Retailer 3$570 CAD
Retailer 1$587 CAD
Retailer 14$609 CAD
Retailer 8$790 CAD
Retailer 7$845 CAD
Retailer 5$909 CAD
Retailer 9$922 CAD
Retailer 2$936 CAD
Retailer 4$1,117 CAD
Retailer 12$1,514 CAD
Reve Diamonds$1,610 CAD

35 data points across 15 retailers

15 retailers$335 CAD to $1,610 CAD

Retailer 1
-
$312 CAD
$223 USD
Price last confirmed 9 days ago
A
Retailer 2
-
$335 CAD
$240 USD
View
Final sale: no returns
A
Retailer 3
-
$543 CAD
€370 EUR
View
A
Retailer 4
-
$559 CAD
ZAR 6,464 ZAR
View
A
Retailer 5
-
$570 CAD
$408 USD
View
A
Retailer 6
-
$587 CAD
£331 GBP
View
A
Retailer 7
-
$609 CAD
$436 USD
View
B+
Retailer 8
-
$790 CAD
A$870 AUD
View
B+
Retailer 9
-
$845 CAD
$605 USD
View
B+
Retailer 10
-
$909 CAD
A$1,001 AUD
View
B+
Retailer 11
-
$922 CAD
$660 USD
View
B+
Retailer 12
-
$936 CAD
$670 USD
View
B
Retailer 13
-
$1,117 CAD
$799 USD
View
B
Retailer 14
-
$1,514 CAD
£853 GBP
View
Most Expensive
B
Reve Diamonds
FBC391584 · Nov 1
$1,610 CAD
$1,152 USD
View
14 more retailers have this diamond
Prices start from $335 CADSave up to $1,274 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
$335 CAD