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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 $283 USD
As of October 28, 2026
Save $1,721 USD (86%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,004 USD 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 28, 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $456 USD|Low: $217 USD|High: $2,004 USD|Avg: $799 USD|-9.6%
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 29, 2026
Retailer 2$283 USD
Retailer 5$370 USD
Retailer 1$456 USD
Retailer 9$475 USD
Retailer 7$595 USD
Retailer 11$630 USD
Retailer 13$643 USD
Retailer 4$714 USD
Retailer 8$765 USD
Retailer 3$971 USD
Retailer 12$1,062 USD
Retailer 10$1,261 USD
Retailer 6$1,350 USD
Yadav Diamonds$2,004 USD

39 data points across 14 retailers

16 retailers$283 USD to $2,004 USD

A
Cheapest Retailer
-
$283 USD
Final sale: no returns
B+
Retailer 2
-
$370 USD
View
A
Retailer 3
-
$456 USD
€434 EUR
View
A
Retailer 4
-
$475 USD
View
A
Retailer 5
-
$595 USD
£469 GBP
View
A
Retailer 6
-
$630 USD
View
A
Retailer 7
-
$643 USD
View
B+
Retailer 8
-
$714 USD
View
B+
Retailer 9
-
$765 USD
A$1,177 AUD
View
B+
Retailer 10
-
$971 USD
SGD 1,312 SGD
View
B
Retailer 11
-
$1,062 USD
View
B+
Retailer 12
-
$1,261 USD
£993 GBP
View
B
Retailer 13
-
$1,350 USD
View
B
Retailer 14
-
$2,004 USD
View
B
Retailer 15
-
$2,004 USD
View
Price last confirmed 24 days ago
Most Expensive
B
Yadav Diamonds
13316896 · Oct 19
$2,004 USD
View
Price last confirmed 10 days ago
15 more retailers have this diamond
Prices start from $283 USDSave up to $1,721 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
$283 USD