Cushion|Lab Grown|IGI

1.28ct E VVS1 Cushion Lab Grown Diamond

ID • E/VVS1 • IGI LG689562843

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

Certificate IGI LG689562843

Diamond specifications and retailer prices

From $650 USD
As of October 26, 2026
8 retailers carry this diamond
Most expensive: $2,004 USD at Yadav Diamonds · As of October 5, 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 LG689562843 or 689562843. Listed at 8 retailers as of October 26, 2026. 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 angle35.5°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689562843
Dimensions6.30 × 6.26 × 4.20 mm
L/W Ratio1.01
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
6.30 mm6.26 mm1.28 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689562843
Side View
Table 63.0%Crown 35.5°Girdle: MediumPavilion 41.5°Culet: NoneDepth 67.1%

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 26
Current: $515 USD|Low: $217 USD|High: $1,830 USD|Avg: $779 USD|+2.1%
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
Retailer 15
October 8, 2026
Retailer 4$280 USD
Retailer 12$312 USD
Retailer 2$370 USD
Retailer 13$405 USD
Retailer 1$515 USD
Retailer 9$579 USD
Retailer 15$641 USD
Retailer 14$646 USD
Retailer 8$650 USD
Retailer 5$757 USD
Retailer 6$965 USD
Retailer 3$1,053 USD
Retailer 7$1,189 USD
Retailer 11$1,264 USD
Retailer 10$1,370 USD

19 data points across 15 retailers

8 retailers

B+
Retailer 1
-
$370 USD
Price last confirmed 25 days ago
A
Retailer 2
-
$646 USD
View
Price last confirmed 23 days ago
B+
Retailer 3
-
$650 USD
View
B+
Retailer 4
-
$965 USD
SGD 1,304 SGD
View
Price last confirmed 24 days ago
B
Retailer 5
-
$1,053 USD
View
Price last confirmed 23 days ago
B
Retailer 6
-
$1,264 USD
£995 GBP
View
Price last confirmed 23 days ago
B
Retailer 7
-
$1,370 USD
View
Price last confirmed 23 days ago
Most Expensive
B
Yadav Diamonds
13004967 · Oct 5
$2,004 USD
View
Price last confirmed 24 days ago
7 more retailers have this diamond
Prices start from $650 USD

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
$650 USD