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Cushion|Lab Grown|IGI

1.21ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG781605696

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG781605696

Diamond specifications and retailer prices

From $402 USD
As of November 6, 2026
Save $658 USD (62%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,060 USD 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 top-tier cut grade and certified by IGI LG781605696 or 781605696. Listed at 7 retailers as of November 5, 2026, with prices from $402 to $1,060, a $658 spread on the same certified stone. MOH London lists it at $1,060. 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 angle34.3°
Pavilion angle43.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781605696
Dimensions6.58 × 5.51 × 4.09 mm
L/W Ratio1.19
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.58 mm5.51 mm1.21 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781605696
Side View
Table 66.0%Crown 34.3°Girdle: STK-VTKPavilion 43.3°Culet: NoneDepth 74.2%

Caratlytics Score

How it works →
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 6
Current: $1,060 USD|Low: $377 USD|High: $1,076 USD|Avg: $613 USD|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 4$402 USD
Retailer 2$406 USD
Retailer 6$435 USD
Retailer 5$549 USD
Retailer 3$670 USD
Retailer 7$784 USD
MOH London$1,060 USD

42 data points across 7 retailers

7 retailers$402 USD to $1,060 USD

A
Cheapest Retailer
-
$402 USD
A
Retailer 2
-
$406 USD
View
A
Retailer 3
-
$435 USD
View
B+
Retailer 4
-
$549 USD
View
B+
Retailer 5
-
$670 USD
View
B
Retailer 6
-
$784 USD
View
Most Expensive
B
MOH London
LG781605696 · Nov 5
$1,060 USD
£835 GBP
View
6 more retailers have this diamond
Prices start from $402 USDSave up to $658 USD

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
$402 USD