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Cushion|Lab Grown|IGI

4.03ct H VS1 Cushion Lab Grown Diamond

EX • H/VS1 • IGI LG805625363

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG805625363

Diamond specifications and retailer prices

From €431 EUR
$483 USD
As of November 1, 2026
Save €2,048 EUR (83%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: €2,479 EUR at Brilliant Earth · As of October 31, 2026
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 H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG805625363 or 805625363. Listed at 4 retailers as of October 31, 2026, with prices from €431 to €2,479, a €2,048 spread on the same certified stone. Brilliant Earth lists it at €2,479. 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
H
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805625363
Dimensions11.28 × 8.12 × 5.47 mm
L/W Ratio1.39
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.28 mm8.12 mm4.03 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG805625363
Side View
Table 61.0%Crown 36.1°Girdle: STK-THKPavilion 35.1°Culet: NoneDepth 67.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: €2,479 EUR|Low: €431 EUR|High: €2,933 EUR|Avg: €1,246 EUR|-15.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 3€431 EUR
Retailer 6€789 EUR
Retailer 7€792 EUR
Retailer 2€811 EUR
Retailer 9€847 EUR
Retailer 10€1,007 EUR
Retailer 5€1,091 EUR
Retailer 8€1,699 EUR
Retailer 4€1,957 EUR
Brilliant Earth€2,479 EUR

38 data points across 10 retailers

4 retailers€431 EUR to €2,479 EUR

A
Cheapest Retailer
-
€431 EUR
$483 USD
Final sale: no returns
A
Retailer 2
-
€811 EUR
£716 GBP
View
Retailer 3
-
€1,957 EUR
$2,195 USD
View
Price last confirmed 35 days ago
Most Expensive
B
Brilliant Earth
20084459A · Oct 31
€2,479 EUR
$2,780 USD
View
3 more retailers have this diamond
Prices start from €431 EURSave up to €2,048 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
4.03ct Cushion
€431 EUR