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Cushion|Lab Grown|IGI

1.21ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG825623179

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

Certificate IGI LG825623179

Diamond specifications and retailer prices

From $359 NZD
As of November 6, 2026
Save $1,497 NZD (81%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,856 NZD 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 LG825623179 or 825623179. Listed at 12 retailers as of November 5, 2026, with prices from $359 to $1,856, a $1,497 spread on the same certified stone. MOH London lists it at $1,856. 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 angle33.8°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825623179
Dimensions6.18 × 5.88 × 3.97 mm
L/W Ratio1.05
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.18 mm5.88 mm1.21 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825623179
Side View
Table 63.0%Crown 33.8°Girdle: STK-THKPavilion 38.4°Culet: NoneDepth 67.5%

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: Nov 6
Current: $1,856 NZD|Low: $359 NZD|High: $1,998 NZD|Avg: $876 NZD|-6.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 3$359 NZD
Retailer 4$422 NZD
Retailer 5$473 NZD
Retailer 2$673 NZD
Retailer 9$676 NZD
Retailer 6$704 NZD
Retailer 10$705 NZD
Retailer 11$781 NZD
Retailer 7$969 NZD
Retailer 8$1,200 NZD
Retailer 12$1,376 NZD
MOH London$1,856 NZD

36 data points across 12 retailers

12 retailers$359 NZD to $1,856 NZD

A
Cheapest Retailer
-
$359 NZD
Final sale: no returns
Retailer 2
-
$422 NZD
View
Price last confirmed 13 days ago
A
Retailer 3
-
$473 NZD
View
A
Retailer 4
-
$673 NZD
View
A
Retailer 5
-
$676 NZD
View
A
Retailer 6
-
$704 NZD
View
A
Retailer 7
-
$705 NZD
View
A
Retailer 8
-
$781 NZD
View
A
Retailer 9
-
$969 NZD
View
B+
Retailer 10
-
$1,200 NZD
View
B+
Retailer 11
-
$1,376 NZD
View
Most Expensive
B
MOH London
LG825623179 · Nov 5
$1,856 NZD
£810 GBP
View
11 more retailers have this diamond
Prices start from $359 NZDSave up to $1,497 NZD

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
$359 NZD