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Cushion|Lab Grown|IGI

4.06ct H VS1 Cushion Lab Grown Diamond

EX • H/VS1 • IGI LG817679918

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG817679918

Diamond specifications and retailer prices

From €435 EUR
$486 USD
As of November 1, 2026
Save €385 EUR (47%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: €820 EUR at 77 Diamonds · As of November 2, 2026
View at 77 Diamonds

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 LG817679918 or 817679918. Listed at 2 retailers as of November 1, 2026, with prices from €435 to €820, a €385 spread on the same certified stone. 77 Diamonds lists it at €820. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle35.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817679918
Dimensions11.26 × 8.22 × 5.52 mm
L/W Ratio1.37
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.26 mm8.22 mm4.06 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817679918
Side View
Table 63.0%Crown 33.8°Girdle: MED-STKPavilion 35.2°Culet: NoneDepth 67.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: €820 EUR|Low: €435 EUR|High: €1,677 EUR|Avg: €1,028 EUR|-6.1%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 2€435 EUR
Retailer 4€771 EUR
77 Diamonds€820 EUR
Retailer 3€949 EUR
Retailer 5€1,106 EUR
Retailer 6€1,677 EUR

38 data points across 6 retailers

2 retailers€435 EUR to €820 EUR

A
Cheapest Retailer
-
€435 EUR
$486 USD
Final sale: no returns
Most Expensive
A
77 Diamonds
CUSTVS7DMJ4QXZ · Nov 2
€820 EUR
£721 GBP
View
1 more retailer has this diamond
Prices start from €435 EURSave up to €385 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
€435 EUR