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Cushion|Lab Grown|IGI

1.28ct E VVS1 Cushion Lab Grown Diamond

EX • E/VVS1 • IGI LG723540900

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG723540900

Diamond specifications and retailer prices

From €238 EUR
$266 USD
As of October 30, 2026
Save €1,346 EUR (85%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €1,584 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 LG723540900 or 723540900. Listed at 16 retailers as of October 30, 2026, with prices from €238 to €1,584, a €1,346 spread on the same certified stone. Brilliant Earth lists it at €1,584. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.5°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG723540900
Dimensions5.80 × 5.80 × 3.99 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
5.80 mm5.80 mm1.28 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG723540900
Side View
Table 63.0%Crown 31.5°Girdle: MED-STKPavilion 38.6°Culet: NoneDepth 68.8%

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 30
Current: €1,584 EUR|Low: €238 EUR|High: €1,584 EUR|Avg: €612 EUR|+10.6%
Brilliant Earth
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
November 1, 2026
Retailer 5€238 EUR
Retailer 3€264 EUR
Retailer 2€324 EUR
Retailer 13€356 EUR
Retailer 9€454 EUR
Retailer 8€477 EUR
Retailer 4€481 EUR
Retailer 7€496 EUR
Retailer 6€559 EUR
Retailer 10€645 EUR
Retailer 12€676 EUR
Retailer 14€850 EUR
Retailer 11€1,065 EUR
Brilliant Earth€1,584 EUR

41 data points across 14 retailers

16 retailers€238 EUR to €1,584 EUR

A
Cheapest Retailer
-
€238 EUR
$266 USD
Final sale: no returns
A
Retailer 2
-
€264 EUR
$295 USD
View
A
Retailer 3
-
€324 EUR
£285 GBP
View
A
Retailer 4
-
€356 EUR
$398 USD
View
A
Retailer 5
-
€454 EUR
ZAR 8,197 ZAR
View
A
Retailer 6
-
€477 EUR
View
A
Retailer 7
-
€481 EUR
$537 USD
View
A
Retailer 8
-
€496 EUR
£436 GBP
View
A
Retailer 9
-
€559 EUR
$624 USD
View
B+
Retailer 10
-
€645 EUR
A$1,108 AUD
View
B+
Retailer 11
-
€676 EUR
$755 USD
View
Retailer 12
-
€850 EUR
$950 USD
View
Price last confirmed 27 days ago
B+
Retailer 13
-
€896 EUR
$1,001 USD
View
B
Retailer 14
-
€1,065 EUR
£937 GBP
View
B
Retailer 15
-
€1,177 EUR
$1,315 USD
View
Most Expensive
B
Brilliant Earth
21313249A · Oct 31
€1,584 EUR
$1,770 USD
View
15 more retailers have this diamond
Prices start from €238 EURSave up to €1,346 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
€238 EUR