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Cushion|Lab Grown|IGI

1.21ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG801634581

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

Certificate IGI LG801634581

Diamond specifications and retailer prices

From $698 NZD
As of November 6, 2026
Save $1,251 NZD (64%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,950 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 LG801634581 or 801634581. Listed at 13 retailers as of November 5, 2026, with prices from $698 to $1,950, a $1,251 spread on the same certified stone. MOH London lists it at $1,950. 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 angle32.4°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801634581
Dimensions6.20 × 6.13 × 4.14 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
6.20 mm6.13 mm1.21 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG801634581
Side View
Table 59.0%Crown 32.4°Girdle: THK-VTKPavilion 40.1°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: $1,950 NZD|Low: $399 NZD|High: $1,954 NZD|Avg: $1,008 NZD|+6.8%
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 4$402 NZD
Retailer 2$698 NZD
Retailer 5$707 NZD
Retailer 11$736 NZD
Retailer 6$750 NZD
Retailer 9$787 NZD
Retailer 7$1,091 NZD
Retailer 3$1,173 NZD
Retailer 8$1,191 NZD
Retailer 10$1,209 NZD
Retailer 12$1,441 NZD
MOH London$1,950 NZD

43 data points across 12 retailers

13 retailers$698 NZD to $1,950 NZD

Retailer 1
-
$402 NZD
Price last confirmed 13 days ago
A
Retailer 2
-
$698 NZD
View
A
Retailer 3
-
$707 NZD
View
A
Retailer 4
-
$736 NZD
View
A
Retailer 5
-
$750 NZD
View
A
Retailer 6
-
$787 NZD
View
B+
Retailer 7
-
$1,091 NZD
View
Retailer 8
-
$1,173 NZD
View
Price last confirmed 10 days ago
B+
Retailer 9
-
$1,191 NZD
View
B+
Retailer 10
-
$1,209 NZD
View
B
Retailer 11
-
$1,441 NZD
View
Retailer 12
-
$1,587 NZD
View
Price last confirmed 36 days ago
Most Expensive
B
MOH London
LG801634581 · Nov 5
$1,950 NZD
£851 GBP
View
12 more retailers have this diamond
Prices start from $698 NZDSave up to $1,251 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
$698 NZD