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Cushion|Lab Grown|IGI

3.04ct E SI1 Cushion Lab Grown Diamond

EX • E/SI1 • IGI LG687530944

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG687530944

Diamond specifications and retailer prices

From €432 EUR
$483 USD
As of October 31, 2026
Save €2,468 EUR (85%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €2,900 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.04ct lab-grown cushion diamond

This 3.04ct 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 LG687530944 or 687530944. Listed at 12 retailers as of October 31, 2026, with prices from €432 to €2,900, a €2,468 spread on the same certified stone. Brilliant Earth lists it at €2,900. 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

3.04
Carat
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG687530944
Dimensions9.76 × 7.80 × 5.32 mm
L/W Ratio1.25
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.76 mm7.80 mm3.04 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG687530944
Side View
Table 60.0%Crown 32.8°Girdle: THN-MEDPavilion 39.8°Culet: NoneDepth 68.2%

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: €2,900 EUR|Low: €423 EUR|High: €2,981 EUR|Avg: €1,040 EUR|-2.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 6€432 EUR
Retailer 10€469 EUR
Retailer 5€600 EUR
Retailer 11€622 EUR
Retailer 3€739 EUR
Retailer 4€767 EUR
Retailer 2€777 EUR
Retailer 9€1,113 EUR
Retailer 7€1,732 EUR
Retailer 8€1,772 EUR
Brilliant Earth€2,900 EUR

43 data points across 11 retailers

12 retailers€432 EUR to €2,900 EUR

A
Cheapest Retailer
-
€432 EUR
$483 USD
Final sale: no returns
A
Retailer 2
-
€469 EUR
$524 USD
View
A
Retailer 3
-
€600 EUR
$670 USD
View
B+
Retailer 4
-
€622 EUR
$695 USD
View
A
Retailer 5
-
€739 EUR
$826 USD
View
A
Retailer 6
-
€767 EUR
£674 GBP
View
A
Retailer 7
-
€777 EUR
View
A
Retailer 8
-
€907 EUR
$1,013 USD
View
B+
Retailer 9
-
€1,113 EUR
$1,244 USD
View
B+
Retailer 10
-
€1,732 EUR
£1,524 GBP
View
B
Retailer 11
-
€1,772 EUR
$1,980 USD
View
Most Expensive
B
Brilliant Earth
20628169A · Oct 31
€2,900 EUR
$3,240 USD
View
11 more retailers have this diamond
Prices start from €432 EURSave up to €2,468 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
3.04ct Cushion
€432 EUR