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Cushion|Lab Grown|IGI

1.28ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG607301792

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG607301792

Diamond specifications and retailer prices

From $550 NZD
As of November 2, 2026
Save $2,679 NZD (83%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $3,229 NZD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.28ct lab-grown cushion diamond

This 1.28ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG607301792 or 607301792. Listed at 8 retailers as of November 2, 2026, with prices from $550 to $3,229, a $2,679 spread on the same certified stone. Do Amore Diamonds lists it at $3,229. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG607301792
Dimensions6.33 × 6.25 × 4.17 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
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
6.33 mm6.25 mm1.28 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG607301792
Side View
Table 61.0%Crown 34.9°Girdle: THN-MEDPavilion 39.6°Culet: NoneDepth 66.7%

Caratlytics Score

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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 2
Current: $3,229 NZD|Low: $550 NZD|High: $3,229 NZD|Avg: $1,536 NZD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 3$550 NZD
Retailer 7$732 NZD
Retailer 2$803 NZD
Retailer 6$1,126 NZD
Retailer 5$1,263 NZD
Retailer 8$1,459 NZD
Retailer 9$1,761 NZD
Retailer 4$2,150 NZD
Do Amore Diamonds$3,229 NZD

22 data points across 9 retailers

8 retailers$550 NZD to $3,229 NZD

A
Cheapest Retailer
-
$550 NZD
A
Retailer 2
-
$732 NZD
View
A
Retailer 3
-
$803 NZD
View
Retailer 4
-
$1,126 NZD
View
Price last confirmed 11 days ago
B+
Retailer 5
-
$1,263 NZD
View
B+
Retailer 6
-
$1,459 NZD
View
B
Retailer 7
-
$2,150 NZD
View
Most Expensive
B
Do Amore Diamonds
27-CD17CD6D9 · Nov 2
$3,229 NZD
$1,790 USD
View
7 more retailers have this diamond
Prices start from $550 NZDSave up to $2,679 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
1.28ct Cushion
$550 NZD