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Cushion|Lab Grown|IGI

4.08ct H VS1 Cushion Lab Grown Diamond

EX • H/VS1 • IGI LG811658214

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG811658214

Diamond specifications and retailer prices

From €435 EUR
$488 USD
As of November 1, 2026
Save €2,070 EUR (83%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: €2,505 EUR at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 4.08ct lab-grown cushion diamond

This 4.08ct 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 LG811658214 or 811658214. Listed at 4 retailers as of November 1, 2026, with prices from €435 to €2,505, a €2,070 spread on the same certified stone. Brilliant Earth lists it at €2,505. 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

4.08
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811658214
Dimensions11.40 × 8.25 × 5.55 mm
L/W Ratio1.38
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.40 mm8.25 mm4.08 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811658214
Side View
Table 62.0%Crown 35.1°Girdle: MED-THKPavilion 35.7°Culet: NoneDepth 67.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: €2,505 EUR|Low: €435 EUR|High: €2,978 EUR|Avg: €1,623 EUR|-3.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
November 2, 2026
Retailer 3€435 EUR
Retailer 2€821 EUR
Retailer 4€1,970 EUR
Brilliant Earth€2,505 EUR

38 data points across 4 retailers

4 retailers€435 EUR to €2,505 EUR

A
Cheapest Retailer
-
€435 EUR
$488 USD
Final sale: no returns
A
Retailer 2
-
€821 EUR
£725 GBP
View
Retailer 3
-
€1,970 EUR
$2,210 USD
View
Price last confirmed 19 days ago
Most Expensive
B+
Brilliant Earth
21263515A · Nov 2
€2,505 EUR
$2,810 USD
View
3 more retailers have this diamond
Prices start from €435 EURSave up to €2,070 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
4.08ct Cushion
€435 EUR