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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 €854 EUR
$958 USD
As of November 1, 2026
Save €3,889 EUR (82%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €4,743 EUR at Brilliant Earth · As of November 2, 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 November 1, 2026, with prices from €854 to €4,743, a €3,889 spread on the same certified stone. Brilliant Earth lists it at €4,743. 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
Colour
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

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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: €4,743 EUR|Low: €777 EUR|High: €4,886 EUR|Avg: €2,080 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€854 EUR
Retailer 10€885 EUR
Retailer 6€1,043 EUR
Retailer 13€1,182 EUR
Retailer 11€1,221 EUR
Retailer 9€1,424 EUR
Retailer 7€1,885 EUR
Retailer 2€1,897 EUR
Retailer 12€2,446 EUR
Retailer 4€2,795 EUR
Retailer 5€3,071 EUR
Retailer 8€3,337 EUR
Brilliant Earth€4,743 EUR

24 data points across 13 retailers

14 retailers€854 EUR to €4,743 EUR

A
Cheapest Retailer
-
€854 EUR
$958 USD
Final sale: no returns
Retailer 2
-
€885 EUR
$993 USD
View
Price last confirmed 17 days ago
A
Retailer 3
-
€1,043 EUR
$1,170 USD
View
A
Retailer 4
-
€1,182 EUR
$1,326 USD
View
A
Retailer 5
-
€1,221 EUR
$1,370 USD
View
A
Retailer 6
-
€1,424 EUR
$1,597 USD
View
A
Retailer 7
-
€1,885 EUR
ZAR 34,150 ZAR
View
B+
Retailer 8
-
€1,897 EUR
A$3,274 AUD
View
B+
Retailer 9
-
€2,446 EUR
£2,160 GBP
View
B
Retailer 10
-
€2,795 EUR
$3,135 USD
View
B
Retailer 11
-
€2,956 EUR
HK$25,900 HKD
View
B
Retailer 12
-
€3,071 EUR
$3,444 USD
View
B
Retailer 13
-
€3,337 EUR
£2,947 GBP
View
Most Expensive
B
Brilliant Earth
17972198A · Nov 2
€4,743 EUR
$5,320 USD
View
13 more retailers have this diamond
Prices start from €854 EURSave up to €3,889 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
€854 EUR