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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 $427 CAD
£240 GBP
As of November 2, 2026
Save $2,075 CAD (83%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $2,501 CAD 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 $427 to $2,501, a $2,075 spread on the same certified stone. Do Amore Diamonds lists it at $2,501. 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
Color
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: $2,501 CAD|Low: $427 CAD|High: $2,501 CAD|Avg: $1,190 CAD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 3$427 CAD
Retailer 7$567 CAD
Retailer 2$622 CAD
Retailer 6$872 CAD
Retailer 5$978 CAD
Retailer 8$1,131 CAD
Retailer 9$1,364 CAD
Retailer 4$1,666 CAD
Do Amore Diamonds$2,501 CAD

22 data points across 9 retailers

8 retailers$427 CAD to $2,501 CAD

A
Cheapest Retailer
-
$427 CAD
£240 GBP
A
Retailer 2
-
$567 CAD
$406 USD
View
A
Retailer 3
-
$622 CAD
$445 USD
View
B+
Retailer 4
-
$872 CAD
A$960 AUD
View
B+
Retailer 5
-
$978 CAD
$700 USD
View
B+
Retailer 6
-
$1,131 CAD
$810 USD
View
B
Retailer 7
-
$1,666 CAD
£939 GBP
View
Most Expensive
B
Do Amore Diamonds
27-CD17CD6D9 · Nov 2
$2,501 CAD
$1,790 USD
View
7 more retailers have this diamond
Prices start from $427 CADSave up to $2,075 CAD

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
$427 CAD