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Cushion|Lab Grown|IGI

4.03ct I VS1 Cushion Lab Grown Diamond

ID • I/VS1 • IGI LG12583709

Certificate IGI LG12583709

Diamond specifications and retailer prices

From €3,580 EUR
$4,000 USD
As of October 31, 2026
1 retailer carries this diamond
Only listing: €3,580 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 I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG12583709 or 12583709. 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. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.03
Carat
I
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG12583709
Dimensions9.40 × 9.19 × 6.07 mm
L/W Ratio1.02
Top View
9.40 mm9.19 mm4.03 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG12583709
Side View
Table 60.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 66.0%

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: €3,580 EUR|Low: €3,580 EUR|High: €3,580 EUR|Avg: €3,580 EUR
December 30, 2025
Brilliant Earth€3,580 EUR

4 data points across 1 retailer

1 retailer

B
Brilliant Earth
4864764B · Oct 31
€3,580 EUR
$4,000 USD
View

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B
4.03ct Cushion
€3,580 EUR