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Cushion|Lab Grown|IGI

4.06ct H VS1 Cushion Lab Grown Diamond

ID • H/VS1 • IGI LG499125835

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG499125835

Diamond specifications and retailer prices

From €857 EUR
$958 USD
As of November 1, 2026
Save €3,904 EUR (82%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €4,762 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 4.06ct lab-grown cushion diamond

This 4.06ct 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 LG499125835 or 499125835. Listed at 14 retailers as of October 31, 2026, with prices from €857 to €4,762, a €3,904 spread on the same certified stone. Brilliant Earth lists it at €4,762. 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

4.06
Carat
H
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle31.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG499125835
Dimensions9.29 × 8.87 × 5.65 mm
L/W Ratio1.05
Girdle conditionFaceted
Culet sizePointed
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
9.29 mm8.87 mm4.06 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG499125835
Side View
Table 63.5%Crown 35.5°Girdle: STK-VTKPavilion 31.6°Culet: NoneDepth 63.7%

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: Nov 1
Current: €4,762 EUR|Low: €780 EUR|High: €4,905 EUR|Avg: €2,083 EUR|-2.9%
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
October 31, 2026
Retailer 3€857 EUR
Retailer 10€889 EUR
Retailer 6€1,047 EUR
Retailer 13€1,187 EUR
Retailer 11€1,226 EUR
Retailer 9€1,429 EUR
Retailer 7€1,892 EUR
Retailer 2€1,905 EUR
Retailer 12€2,455 EUR
Retailer 4€2,806 EUR
Retailer 5€3,083 EUR
Retailer 8€3,350 EUR
Brilliant Earth€4,762 EUR

25 data points across 13 retailers

14 retailers€857 EUR to €4,762 EUR

A
Cheapest Retailer
-
€857 EUR
$958 USD
Final sale: no returns
Retailer 2
-
€889 EUR
$993 USD
View
Price last confirmed 16 days ago
A
Retailer 3
-
€1,047 EUR
$1,170 USD
View
A
Retailer 4
-
€1,187 EUR
$1,326 USD
View
A
Retailer 5
-
€1,226 EUR
$1,370 USD
View
A
Retailer 6
-
€1,429 EUR
$1,597 USD
View
A
Retailer 7
-
€1,892 EUR
ZAR 34,150 ZAR
View
B+
Retailer 8
-
€1,905 EUR
A$3,274 AUD
View
B+
Retailer 9
-
€2,455 EUR
£2,160 GBP
View
B
Retailer 10
-
€2,806 EUR
$3,135 USD
View
B
Retailer 11
-
€2,967 EUR
HK$25,900 HKD
View
B
Retailer 12
-
€3,083 EUR
$3,444 USD
View
B
Retailer 13
-
€3,350 EUR
£2,947 GBP
View
Most Expensive
B
Brilliant Earth
17972198A · Oct 31
€4,762 EUR
$5,320 USD
View
13 more retailers have this diamond
Prices start from €857 EURSave up to €3,904 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
4.06ct Cushion
€857 EUR