Cushion|Lab Grown|IGI

4.02ct H VS1 Cushion Lab Grown Diamond

ID • H/VS1 • IGI LG592359592

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG592359592

Diamond specifications and retailer prices

From €543 EUR
$609 USD
As of November 1, 2026
Save €4,138 EUR (88%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €4,681 EUR at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 4.02ct lab-grown cushion diamond

This 4.02ct 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 LG592359592 or 592359592. Listed at 19 retailers as of October 29, 2026, with prices from €543 to €4,681, a €4,138 spread on the same certified stone. Brilliant Earth lists it at €4,681. 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

4.02
Carat
H
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG592359592
Dimensions9.60 × 9.19 × 6.10 mm
L/W Ratio1.04
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
9.60 mm9.19 mm4.02 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG592359592
Side View
Table 62.0%Crown 33°Girdle: THN-MEDPavilion 40.5°Culet: NoneDepth 66.4%

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: €4,681 EUR|Low: €506 EUR|High: €4,681 EUR|Avg: €1,426 EUR|+0.2%
Brilliant Earth
Retailer 2
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Retailer 19
Retailer 20
November 2, 2026
Retailer 3€543 EUR
Retailer 10€568 EUR
Retailer 9€655 EUR
Retailer 14€662 EUR
Retailer 4€807 EUR
Retailer 18€833 EUR
Retailer 13€1,004 EUR
Retailer 20€1,108 EUR
Retailer 2€1,196 EUR
Retailer 16€1,205 EUR
Retailer 12€1,246 EUR
Retailer 15€1,325 EUR
Retailer 11€1,725 EUR
Retailer 6€1,753 EUR
Retailer 8€1,904 EUR
Retailer 5€1,947 EUR
Retailer 7€1,951 EUR
Retailer 17€2,523 EUR
Retailer 19€2,639 EUR
Brilliant Earth€4,681 EUR

39 data points across 20 retailers

19 retailers€543 EUR to €4,681 EUR

A
Cheapest Retailer
-
€543 EUR
$609 USD
Final sale: no returns
Retailer 2
-
€568 EUR
$637 USD
View
Price last confirmed 17 days ago
A
Retailer 3
-
€655 EUR
$735 USD
View
A
Retailer 4
-
€662 EUR
£585 GBP
View
B+
Retailer 5
-
€807 EUR
$905 USD
View
A
Retailer 6
-
€833 EUR
HK$7,300 HKD
View
A
Retailer 7
-
€1,004 EUR
View
A
Retailer 8
-
€1,108 EUR
$1,243 USD
View
A
Retailer 9
-
€1,196 EUR
ZAR 21,678 ZAR
View
A
Retailer 10
-
€1,205 EUR
A$2,079 AUD
View
A
Retailer 11
-
€1,325 EUR
$1,486 USD
View
B+
Retailer 12
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€1,753 EUR
£1,548 GBP
View
B+
Retailer 13
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€1,904 EUR
$2,135 USD
View
B+
Retailer 14
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€1,947 EUR
$2,184 USD
View
B+
Retailer 15
-
€1,951 EUR
$2,189 USD
View
B+
Retailer 16
-
€2,280 EUR
CA$3,552 CAD
View
B
Retailer 17
-
€2,523 EUR
£2,228 GBP
View
B+
Retailer 18
-
€2,639 EUR
$2,960 USD
View
Most Expensive
B
Brilliant Earth
16058137A · Oct 29
€4,681 EUR
$5,250 USD
View
18 more retailers have this diamond
Prices start from €543 EURSave up to €4,138 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
4.02ct Cushion
€543 EUR