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Cushion|Lab Grown|IGI

1.28ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG700586850

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

Certificate IGI LG700586850

Diamond specifications and retailer prices

From $360 CAD
$258 USD
As of October 31, 2026
Save $1,442 CAD (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,802 CAD at Reve Diamonds · As of October 30, 2026
View at Reve 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 D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG700586850 or 700586850. Listed at 15 retailers as of October 30, 2026, with prices from $360 to $1,802, a $1,442 spread on the same certified stone. Reve Diamonds lists it at $1,802. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
D
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG700586850
Dimensions6.28 × 6.27 × 4.17 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.28 mm6.27 mm1.28 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG700586850
Side View
Table 61.0%Crown 36.1°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 66.5%

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: Oct 31
Current: $746 CAD|Low: $324 CAD|High: $1,914 CAD|Avg: $972 CAD|+17.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Reve Diamonds
October 31, 2026
Retailer 4$360 CAD
Retailer 13$535 CAD
Retailer 8$617 CAD
Retailer 5$676 CAD
Retailer 11$685 CAD
Retailer 2$729 CAD
Retailer 1$746 CAD
Retailer 14$844 CAD
Retailer 12$972 CAD
Retailer 10$1,013 CAD
Retailer 6$1,109 CAD
Retailer 3$1,355 CAD
Retailer 7$1,578 CAD
Retailer 9$1,607 CAD
Reve Diamonds$1,802 CAD

39 data points across 15 retailers

15 retailers$360 CAD to $1,802 CAD

A
Cheapest Retailer
-
$360 CAD
$258 USD
Final sale: no returns
Retailer 2
-
$535 CAD
£302 GBP
View
Price last confirmed 14 days ago
A
Retailer 3
-
$617 CAD
€421 EUR
View
A
Retailer 4
-
$676 CAD
$484 USD
View
A
Retailer 5
-
$685 CAD
ZAR 7,924 ZAR
View
A
Retailer 6
-
$729 CAD
$522 USD
View
B+
Retailer 7
-
$746 CAD
£421 GBP
View
B+
Retailer 8
-
$844 CAD
$604 USD
View
B+
Retailer 9
-
$972 CAD
A$1,071 AUD
View
B+
Retailer 10
-
$1,013 CAD
$725 USD
View
B+
Retailer 11
-
$1,109 CAD
$794 USD
View
B
Retailer 12
-
$1,355 CAD
$970 USD
View
B
Retailer 13
-
$1,578 CAD
$1,130 USD
View
B
Retailer 14
-
$1,607 CAD
£906 GBP
View
Most Expensive
B
Reve Diamonds
06581FF03 · Oct 30
$1,802 CAD
$1,290 USD
View
14 more retailers have this diamond
Prices start from $360 CADSave up to $1,442 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
$360 CAD