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Cushion|Lab Grown|IGI

4.01ct I VS1 Cushion Lab Grown Diamond

ID • I/VS1 • IGI LG414096909

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG414096909

Diamond specifications and retailer prices

From €605 EUR
£532 GBP
As of November 1, 2026
Save €1,857 EUR (75%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €2,461 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 4.01ct lab-grown cushion diamond

This 4.01ct 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 LG414096909 or 414096909. Listed at 12 retailers as of October 31, 2026, with prices from €605 to €2,461, a €1,857 spread on the same certified stone. Brilliant Earth lists it at €2,461. 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

4.01
Carat
I
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle33.9°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG414096909
Dimensions8.97 × 8.90 × 5.79 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD) Type IIa
Top View
8.97 mm8.90 mm4.01 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG414096909
Side View
Table 65.0%Crown 33.9°Girdle: STK-VTKPavilion 34.4°Culet: NoneDepth 65.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €2,461 EUR|Low: €522 EUR|High: €4,019 EUR|Avg: €1,432 EUR|-38.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 1, 2026
Retailer 3€522 EUR
Retailer 7€605 EUR
Retailer 13€667 EUR
Retailer 10€718 EUR
Retailer 8€800 EUR
Retailer 9€906 EUR
Retailer 14€1,038 EUR
Retailer 11€1,064 EUR
Retailer 5€1,405 EUR
Retailer 12€1,763 EUR
Retailer 6€2,077 EUR
Retailer 4€2,114 EUR
Retailer 2€2,256 EUR
Brilliant Earth€2,461 EUR

35 data points across 14 retailers

12 retailers€605 EUR to €2,461 EUR

Retailer 1
-
€522 EUR
$583 USD
Price last confirmed 15 days ago
A
Retailer 2
-
€605 EUR
£532 GBP
View
A
Retailer 3
-
€667 EUR
$745 USD
View
B+
Retailer 4
-
€718 EUR
$802 USD
View
A
Retailer 5
-
€800 EUR
View
A
Retailer 6
-
€906 EUR
$1,012 USD
View
A
Retailer 7
-
€1,038 EUR
ZAR 18,730 ZAR
View
A
Retailer 8
-
€1,064 EUR
$1,189 USD
View
B+
Retailer 9
-
€1,763 EUR
$1,969 USD
View
Retailer 10
-
€2,114 EUR
SGD 3,191 SGD
View
Price last confirmed 19 days ago
B
Retailer 11
-
€2,256 EUR
£1,985 GBP
View
Most Expensive
B
Brilliant Earth
20461050A · Oct 31
€2,461 EUR
$2,750 USD
View
11 more retailers have this diamond
Prices start from €605 EURSave up to €1,857 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
4.01ct Cushion
€605 EUR