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Cushion|Lab Grown|IGI

1.21ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG749577139

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

Certificate IGI LG749577139

Diamond specifications and retailer prices

From $806 NZD
As of November 6, 2026
Save $1,707 NZD (68%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,513 NZD at Taylor and Hart · As of November 6, 2026
View at Taylor and Hart

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 LG749577139 or 749577139. Listed at 11 retailers as of November 6, 2026, with prices from $806 to $2,513, a $1,707 spread on the same certified stone. Taylor and Hart lists it at $2,513. 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 angle35.5°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG749577139
Dimensions6.43 × 6.14 × 3.91 mm
L/W Ratio1.05
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.43 mm6.14 mm1.21 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG749577139
Side View
Table 63.0%Crown 35.5°Girdle: STK-THKPavilion 38.1°Culet: NoneDepth 63.7%

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: $826 NZD|Low: $788 NZD|High: $2,417 NZD|Avg: $1,304 NZD|+2.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 1$826 NZD
Retailer 8$833 NZD
Retailer 4$882 NZD
Retailer 2$895 NZD
Retailer 3$1,192 NZD
Retailer 6$1,245 NZD
Retailer 7$1,605 NZD
Retailer 9$1,950 NZD
Retailer 5$1,964 NZD

44 data points across 9 retailers

11 retailers$806 NZD to $2,513 NZD

A
Cheapest Retailer
-
$806 NZD
A
Retailer 2
-
$826 NZD
View
A
Retailer 3
-
$833 NZD
View
A
Retailer 4
-
$882 NZD
View
A
Retailer 5
-
$895 NZD
View
B+
Retailer 6
-
$1,192 NZD
View
B+
Retailer 7
-
$1,245 NZD
View
Retailer 8
-
$1,605 NZD
View
Price last confirmed 30 days ago
B
Retailer 9
-
$1,950 NZD
View
Retailer 10
-
$1,964 NZD
View
Price last confirmed 9 days ago
Most Expensive
B
Taylor and Hart
B9Y3OZB · Nov 6
$2,513 NZD
$1,393 USD
View
10 more retailers have this diamond
Prices start from $806 NZDSave up to $1,707 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
$806 NZD