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Cushion|Lab Grown|IGI

1.28ct E VVS1 Cushion Lab Grown Diamond

ID • E/VVS1 • IGI LG689562553

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

Certificate IGI LG689562553

Diamond specifications and retailer prices

From $395 CAD
$283 USD
As of October 30, 2026
Save $2,404 CAD (86%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,799 CAD at Yadav Diamonds · As of October 19, 2026
View at Yadav 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 E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG689562553 or 689562553. Listed at 16 retailers as of October 30, 2026, with a 608% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
E
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.8°
Pavilion angle42.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689562553
Dimensions6.23 × 6.23 × 4.30 mm
L/W Ratio1.00
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
6.23 mm6.23 mm1.28 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689562553
Side View
Table 63.0%Crown 37.8°Girdle: MED-STKPavilion 42.6°Culet: NoneDepth 69.0%

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: Oct 30
Current: $837 CAD|Low: $303 CAD|High: $2,799 CAD|Avg: $1,100 CAD|+3.6%
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
Yadav Diamonds
October 30, 2026
Retailer 2$395 CAD
Retailer 5$517 CAD
Retailer 6$637 CAD
Retailer 9$664 CAD
Retailer 1$837 CAD
Retailer 11$880 CAD
Retailer 13$898 CAD
Retailer 4$997 CAD
Retailer 8$1,069 CAD
Retailer 3$1,356 CAD
Retailer 12$1,483 CAD
Retailer 10$1,762 CAD
Retailer 7$1,886 CAD
Yadav Diamonds$2,799 CAD

40 data points across 14 retailers

16 retailers$395 CAD to $2,799 CAD

A
Cheapest Retailer
-
$395 CAD
$283 USD
Final sale: no returns
B+
Retailer 2
-
$517 CAD
$370 USD
View
A
Retailer 3
-
$637 CAD
€434 EUR
View
A
Retailer 4
-
$664 CAD
$475 USD
View
A
Retailer 5
-
$837 CAD
£472 GBP
View
A
Retailer 6
-
$880 CAD
$630 USD
View
A
Retailer 7
-
$898 CAD
$643 USD
View
B+
Retailer 8
-
$997 CAD
$714 USD
View
B+
Retailer 9
-
$1,069 CAD
A$1,177 AUD
View
B+
Retailer 10
-
$1,356 CAD
SGD 1,312 SGD
View
B
Retailer 11
-
$1,483 CAD
$1,062 USD
View
B+
Retailer 12
-
$1,762 CAD
£993 GBP
View
B
Retailer 13
-
$1,886 CAD
$1,350 USD
View
B
Retailer 14
-
$2,799 CAD
$2,004 USD
View
Retailer 15
-
$2,799 CAD
$2,004 USD
View
Price last confirmed 25 days ago
Most Expensive
Yadav Diamonds
13316896 · Oct 19
$2,799 CAD
$2,004 USD
View
Price last confirmed 11 days ago
15 more retailers have this diamond
Prices start from $395 CADSave up to $2,404 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
$395 CAD