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Cushion|Lab Grown|IGI

4.09ct F VS1 Cushion Lab Grown Diamond

EX • F/VS1 • IGI LG833631311

Shape and cutting style on the report: Rectangular cushion mixed cut

Certificate IGI LG833631311

Diamond specifications and retailer prices

From €925 EUR
$1,038 USD
As of October 31, 2026
Save €2,277 EUR (71%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €3,202 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 4.09ct lab-grown cushion diamond

This 4.09ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG833631311 or 833631311. Listed at 14 retailers as of October 31, 2026, with prices from €925 to €3,202, a €2,277 spread on the same certified stone. MOH London lists it at €3,202. 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

4.09
Carat
F
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.4°
Pavilion angle42.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG833631311
Dimensions11.47 × 7.84 × 4.78 mm
L/W Ratio1.46
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.47 mm7.84 mm4.09 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG833631311
Side View
Table 55.0%Crown 32.4°Girdle: STK-VTKPavilion 42.1°Culet: LargeDepth 61.0%

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: Oct 31
Current: €3,202 EUR|Low: €846 EUR|High: €11,221 EUR|Avg: €2,888 EUR|-61.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 2, 2026
Retailer 6€846 EUR
Retailer 5€925 EUR
Retailer 12€1,030 EUR
Retailer 8€1,301 EUR
Retailer 14€1,377 EUR
Retailer 9€1,400 EUR
Retailer 13€1,502 EUR
Retailer 11€1,818 EUR
Retailer 10€1,831 EUR
Retailer 2€1,902 EUR
Retailer 15€2,652 EUR
Retailer 3€2,713 EUR
Retailer 4€2,959 EUR
MOH London€3,202 EUR
Retailer 7€5,557 EUR

27 data points across 15 retailers

14 retailers€925 EUR to €3,202 EUR

Retailer 1
-
€846 EUR
$949 USD
Price last confirmed 21 days ago
A
Retailer 2
-
€925 EUR
$1,038 USD
View
Final sale: no returns
A
Retailer 3
-
€1,030 EUR
$1,155 USD
View
A
Retailer 4
-
€1,301 EUR
£1,149 GBP
View
A
Retailer 5
-
€1,377 EUR
$1,544 USD
View
A
Retailer 6
-
€1,400 EUR
View
B+
Retailer 7
-
€1,502 EUR
$1,685 USD
View
B+
Retailer 8
-
€1,818 EUR
ZAR 32,950 ZAR
View
B+
Retailer 9
-
€1,831 EUR
A$3,159 AUD
View
B+
Retailer 10
-
€1,902 EUR
$2,133 USD
View
B
Retailer 11
-
€2,652 EUR
$2,975 USD
View
B
Retailer 12
-
€2,713 EUR
$3,043 USD
View
B
Retailer 13
-
€2,959 EUR
$3,319 USD
View
Most Expensive
B
MOH London
LG833631311 · Nov 1
€3,202 EUR
£2,828 GBP
View
13 more retailers have this diamond
Prices start from €925 EURSave up to €2,277 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
4.09ct Cushion
€925 EUR