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Cushion|Lab Grown|IGI

4.09ct F VS1 Cushion Lab Grown Diamond

VG • F/VS1 • IGI LG849659608

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG849659608

Diamond specifications and retailer prices

From €539 EUR
£476 GBP
As of November 2, 2026
Save €6,113 EUR (92%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €6,651 EUR at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

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 very-good cut grade and certified by IGI LG849659608 or 849659608. Listed at 17 retailers as of November 2, 2026, with prices from €539 to €6,651, a €6,113 spread on the same certified stone. Brilliant Earth lists it at €6,651. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

4.09
Carat
F
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG849659608
Dimensions9.54 × 9.19 × 5.84 mm
L/W Ratio1.04
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.54 mm9.19 mm4.09 ctF / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG849659608
Side View
Table 68.0%Crown 35.3°Girdle: MED-THKPavilion 40.6°Culet: NoneDepth 63.5%

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 2
Current: €1,284 EUR|Low: €539 EUR|High: €2,816 EUR|Avg: €1,552 EUR|-0.0%
Retailer 1
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
Retailer 16
November 2, 2026
Retailer 9€539 EUR
Retailer 16€762 EUR
Retailer 7€865 EUR
Retailer 2€926 EUR
Retailer 12€967 EUR
Retailer 10€1,008 EUR
Retailer 1€1,284 EUR
Retailer 15€1,293 EUR
Retailer 14€1,368 EUR
Retailer 5€1,430 EUR
Retailer 4€1,954 EUR
Retailer 3€2,037 EUR
Retailer 8€2,089 EUR
Retailer 13€2,677 EUR
Retailer 6€2,697 EUR
Retailer 11€2,801 EUR

7 data points across 16 retailers

17 retailers€539 EUR to €6,651 EUR

A
Cheapest Retailer
-
€539 EUR
£476 GBP
A
Retailer 2
-
€762 EUR
$855 USD
View
B+
Retailer 3
-
€865 EUR
$970 USD
View
A
Retailer 4
-
€926 EUR
$1,039 USD
View
A
Retailer 5
-
€967 EUR
View
A
Retailer 6
-
€1,008 EUR
£891 GBP
View
A
Retailer 7
-
€1,284 EUR
ZAR 23,267 ZAR
View
A
Retailer 8
-
€1,293 EUR
A$2,231 AUD
View
B+
Retailer 9
-
€1,368 EUR
$1,534 USD
View
B+
Retailer 10
-
€1,430 EUR
$1,604 USD
View
B+
Retailer 11
-
€1,954 EUR
$2,192 USD
View
B+
Retailer 12
-
€2,037 EUR
SGD 3,088 SGD
View
B+
Retailer 13
-
€2,089 EUR
$2,343 USD
View
B
Retailer 14
-
€2,677 EUR
A$4,620 AUD
View
B
Retailer 15
-
€2,697 EUR
$3,025 USD
View
B
Retailer 16
-
€2,801 EUR
£2,474 GBP
View
Most Expensive
B
Brilliant Earth
22402208A · Nov 2
€6,651 EUR
$7,460 USD
View
16 more retailers have this diamond
Prices start from €539 EURSave up to €6,113 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
€539 EUR