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Cushion|Lab Grown|IGI

3.03ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG668409647

Shape and cutting style on the report: Cushion modified brilliant cut

Certificate IGI LG668409647

Diamond specifications and retailer prices

From €321 EUR
$359 USD
As of October 31, 2026
Save €2,919 EUR (90%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €3,240 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.03ct lab-grown cushion diamond

This 3.03ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG668409647 or 668409647. Listed at 10 retailers as of October 31, 2026, with prices from €321 to €3,240, a €2,919 spread on the same certified stone. Brilliant Earth lists it at €3,240. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.03
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.1°
Pavilion angle32.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG668409647
Dimensions9.18 × 7.52 × 5.18 mm
L/W Ratio1.22
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.18 mm7.52 mm3.03 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG668409647
Side View
Table 59.0%Crown 38.1°Girdle: STK-VTKPavilion 32.8°Culet: NoneDepth 68.9%

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 31
Current: €3,240 EUR|Low: €321 EUR|High: €3,321 EUR|Avg: €904 EUR|-1.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 10€321 EUR
Retailer 9€366 EUR
Retailer 8€555 EUR
Retailer 6€584 EUR
Retailer 2€636 EUR
Retailer 3€640 EUR
Retailer 5€645 EUR
Retailer 4€873 EUR
Retailer 7€1,476 EUR
Brilliant Earth€3,240 EUR

41 data points across 10 retailers

10 retailers€321 EUR to €3,240 EUR

A
Cheapest Retailer
-
€321 EUR
$359 USD
Final sale: no returns
A
Retailer 2
-
€366 EUR
$409 USD
View
A
Retailer 3
-
€555 EUR
$620 USD
View
B+
Retailer 4
-
€584 EUR
$653 USD
View
A
Retailer 5
-
€636 EUR
View
A
Retailer 6
-
€640 EUR
£563 GBP
View
A
Retailer 7
-
€645 EUR
$721 USD
View
A
Retailer 8
-
€873 EUR
$975 USD
View
B+
Retailer 9
-
€1,476 EUR
£1,298 GBP
View
Most Expensive
B
Brilliant Earth
13161186A · Oct 31
€3,240 EUR
$3,620 USD
View
9 more retailers have this diamond
Prices start from €321 EURSave up to €2,919 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
3.03ct Cushion
€321 EUR