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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 $267 SGD
As of November 4, 2026
Save $1,204 SGD (82%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,471 SGD at Reve Diamonds · As of November 4, 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 4, 2026, with prices from $267 to $1,471, a $1,204 spread on the same certified stone. Reve Diamonds lists it at $1,471. 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
Colour
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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Price History

Last verified: Nov 4
Current: $531 SGD|Low: $254 SGD|High: $1,471 SGD|Avg: $729 SGD|+7.8%
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 5, 2026
Retailer 7$267 SGD
Retailer 6$285 SGD
Retailer 13$496 SGD
Retailer 11$511 SGD
Retailer 3$521 SGD
Retailer 1$531 SGD
Retailer 14$557 SGD
Retailer 9$722 SGD
Retailer 8$773 SGD
Retailer 5$830 SGD
Retailer 10$843 SGD
Retailer 2$856 SGD
Retailer 4$1,021 SGD
Retailer 12$1,383 SGD
Reve Diamonds$1,471 SGD

35 data points across 15 retailers

15 retailers$267 SGD to $1,471 SGD

A
Cheapest Retailer
-
$267 SGD
Final sale: no returns
Retailer 2
-
$285 SGD
View
Price last confirmed 11 days ago
A
Retailer 3
-
$496 SGD
View
A
Retailer 4
-
$511 SGD
View
A
Retailer 5
-
$521 SGD
View
A
Retailer 6
-
$531 SGD
View
A
Retailer 7
-
$557 SGD
View
B+
Retailer 8
-
$722 SGD
View
B+
Retailer 9
-
$773 SGD
View
Retailer 10
-
$830 SGD
View
Price last confirmed 9 days ago
B+
Retailer 11
-
$843 SGD
View
B+
Retailer 12
-
$856 SGD
View
B
Retailer 13
-
$1,021 SGD
View
B
Retailer 14
-
$1,383 SGD
View
Most Expensive
B
Reve Diamonds
FBC391584 · Nov 4
$1,471 SGD
$1,152 USD
View
14 more retailers have this diamond
Prices start from $267 SGDSave up to $1,204 SGD

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
$267 SGD