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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 €253 EUR
$283 USD
As of October 30, 2026
Save €1,540 EUR (86%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €1,794 EUR 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
Colour
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: €532 EUR|Low: €251 EUR|High: €1,794 EUR|Avg: €711 EUR|+2.7%
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
Yadav Diamonds
November 1, 2026
Retailer 3€253 EUR
Retailer 5€331 EUR
Retailer 6€405 EUR
Retailer 10€425 EUR
Retailer 1€532 EUR
Retailer 12€564 EUR
Retailer 2€576 EUR
Retailer 7€603 EUR
Retailer 9€685 EUR
Retailer 4€869 EUR
Retailer 13€951 EUR
Retailer 11€1,129 EUR
Retailer 8€1,208 EUR
Yadav Diamonds€1,794 EUR

40 data points across 14 retailers

16 retailers€253 EUR to €1,794 EUR

A
Cheapest Retailer
-
€253 EUR
$283 USD
Final sale: no returns
B+
Retailer 2
-
€331 EUR
$370 USD
View
A
Retailer 3
-
€405 EUR
View
A
Retailer 4
-
€425 EUR
$475 USD
View
A
Retailer 5
-
€532 EUR
£468 GBP
View
A
Retailer 6
-
€564 EUR
$630 USD
View
A
Retailer 7
-
€576 EUR
$643 USD
View
B+
Retailer 8
-
€603 EUR
$674 USD
View
B+
Retailer 9
-
€685 EUR
A$1,177 AUD
View
B+
Retailer 10
-
€869 EUR
SGD 1,312 SGD
View
B
Retailer 11
-
€951 EUR
$1,062 USD
View
B+
Retailer 12
-
€1,129 EUR
£993 GBP
View
B
Retailer 13
-
€1,208 EUR
$1,350 USD
View
B
Retailer 14
-
€1,794 EUR
$2,004 USD
View
Retailer 15
-
€1,794 EUR
$2,004 USD
View
Price last confirmed 27 days ago
Most Expensive
Yadav Diamonds
13316896 · Oct 19
€1,794 EUR
$2,004 USD
View
Price last confirmed 13 days ago
15 more retailers have this diamond
Prices start from €253 EURSave up to €1,540 EUR

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
€253 EUR