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Cushion|Lab Grown|IGI

1.21ct F VS1 Cushion Lab Grown Diamond

VG • F/VS1 • IGI LG579384441

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG579384441

Diamond specifications and retailer prices

From $439 SGD
As of November 5, 2026
Save $1,034 SGD (70%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,473 SGD at MOH London · As of November 5, 2026
View at MOH London

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 very-good cut grade and certified by IGI LG579384441 or 579384441. Listed at 8 retailers as of November 5, 2026, with prices from $439 to $1,473, a $1,034 spread on the same certified stone. MOH London lists it at $1,473. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.21
Carat
F
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG579384441
Dimensions7.06 × 5.60 × 3.91 mm
L/W Ratio1.26
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.06 mm5.60 mm1.21 ctF / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG579384441
Side View
Table 65.0%Crown 35.9°Girdle: MED-VTKPavilion 38°Culet: NoneDepth 69.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: $1,473 SGD|Low: $333 SGD|High: $1,494 SGD|Avg: $851 SGD|-1.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 3$333 SGD
Retailer 5$439 SGD
Retailer 7$576 SGD
Retailer 2$687 SGD
Retailer 4$740 SGD
Retailer 8$920 SGD
Retailer 6$1,402 SGD
MOH London$1,473 SGD

29 data points across 8 retailers

8 retailers$439 SGD to $1,473 SGD

Retailer 1
-
$333 SGD
Price last confirmed 11 days ago
A
Retailer 2
-
$439 SGD
View
A
Retailer 3
-
$576 SGD
View
B+
Retailer 4
-
$687 SGD
View
B+
Retailer 5
-
$740 SGD
View
Retailer 6
-
$920 SGD
View
Price last confirmed 31 days ago
B
Retailer 7
-
$1,402 SGD
View
Most Expensive
B
MOH London
LG579384441 · Nov 5
$1,473 SGD
£908 GBP
View
7 more retailers have this diamond
Prices start from $439 SGDSave up to $1,034 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
$439 SGD