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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 $831 SGD
$650 USD
As of October 30, 2026
8 retailers carry this diamond
Most expensive: $2,562 SGD 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 30, 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
Colour
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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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 30
Current: $658 SGD|Low: $277 SGD|High: $2,339 SGD|Avg: $994 SGD|+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$358 SGD
Retailer 12$399 SGD
Retailer 2$473 SGD
Retailer 13$518 SGD
Retailer 1$658 SGD
Retailer 9$740 SGD
Retailer 15$819 SGD
Retailer 14$826 SGD
Retailer 8$831 SGD
Retailer 5$967 SGD
Retailer 6$1,234 SGD
Retailer 3$1,346 SGD
Retailer 7$1,520 SGD
Retailer 11$1,615 SGD
Retailer 10$1,751 SGD

18 data points across 15 retailers

8 retailers

Retailer 1
-
$473 SGD
$370 USD
Price last confirmed 27 days ago
Retailer 2
-
$826 SGD
$646 USD
View
Price last confirmed 25 days ago
B+
Retailer 3
-
$831 SGD
$650 USD
View
Retailer 4
-
$1,234 SGD
View
Price last confirmed 26 days ago
Retailer 5
-
$1,346 SGD
$1,053 USD
View
Price last confirmed 25 days ago
Retailer 6
-
$1,615 SGD
£995 GBP
View
Price last confirmed 25 days ago
Retailer 7
-
$1,751 SGD
$1,370 USD
View
Price last confirmed 24 days ago
Most Expensive
Yadav Diamonds
13004967 · Oct 5
$2,562 SGD
$2,004 USD
View
Price last confirmed 26 days ago
7 more retailers have this diamond
Prices start from $831 SGD

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.

B+
1.28ct Cushion
$831 SGD