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Cushion|Lab Grown|IGI

4.03ct G SI1 Cushion Lab Grown Diamond

ID • G/SI1 • IGI LG598338524

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG598338524

Diamond specifications and retailer prices

From €3,545 EUR
$3,960 USD
As of October 31, 2026
1 retailer carries this diamond
Only listing: €3,545 EUR at Brilliant Earth
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Brilliant Earth

About this 4.03ct lab-grown cushion diamond

This 4.03ct lab-grown cushion sits in the three to five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG598338524 or 598338524. Listed at a single retailer as of October 31, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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

4.03
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG598338524
Dimensions10.52 × 8.60 × 5.88 mm
L/W Ratio1.22
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
10.52 mm8.60 mm4.03 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG598338524
Side View
Table 62.0%Crown 33.7°Girdle: Slightly ThickPavilion 39°Culet: NoneDepth 68.4%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 31
Current: €3,545 EUR|Low: €2,738 EUR|High: €4,182 EUR|Avg: €3,223 EUR
Brilliant Earth
Retailer 2
Retailer 3
February 22, 2026
Retailer 3€2,738 EUR
Brilliant Earth€3,545 EUR
Retailer 2€4,182 EUR

13 data points across 3 retailers

1 retailer

B
Brilliant Earth
8414004A · Oct 31
€3,545 EUR
$3,960 USD
View

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.

B
4.03ct Cushion
€3,545 EUR