CaratHunter
Plans
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 €541 EUR
£476 GBP
As of November 2, 2026
Save €6,137 EUR (92%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €6,677 EUR at Brilliant Earth · As of October 31, 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 October 31, 2026, with prices from €541 to €6,677, a €6,137 spread on the same certified stone. Brilliant Earth lists it at €6,677. 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
Color
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

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 2
Current: €541 EUR|Low: €541 EUR|High: €2,827 EUR|Avg: €1,559 EUR|-0.3%
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 1€541 EUR
Retailer 15€765 EUR
Retailer 7€868 EUR
Retailer 16€930 EUR
Retailer 11€971 EUR
Retailer 9€1,012 EUR
Retailer 3€1,290 EUR
Retailer 14€1,298 EUR
Retailer 13€1,373 EUR
Retailer 5€1,436 EUR
Retailer 4€1,962 EUR
Retailer 2€2,045 EUR
Retailer 8€2,097 EUR
Retailer 12€2,688 EUR
Retailer 6€2,708 EUR
Retailer 10€2,812 EUR

7 data points across 16 retailers

17 retailers€541 EUR to €6,677 EUR

A
Cheapest Retailer
-
€541 EUR
£476 GBP
A
Retailer 2
-
€765 EUR
$855 USD
View
B+
Retailer 3
-
€868 EUR
$970 USD
View
A
Retailer 4
-
€930 EUR
$1,039 USD
View
A
Retailer 5
-
€971 EUR
View
A
Retailer 6
-
€1,012 EUR
£891 GBP
View
A
Retailer 7
-
€1,290 EUR
ZAR 23,277 ZAR
View
A
Retailer 8
-
€1,298 EUR
A$2,231 AUD
View
B+
Retailer 9
-
€1,373 EUR
$1,534 USD
View
B+
Retailer 10
-
€1,436 EUR
$1,604 USD
View
B+
Retailer 11
-
€1,962 EUR
$2,192 USD
View
B+
Retailer 12
-
€2,045 EUR
SGD 3,088 SGD
View
B+
Retailer 13
-
€2,097 EUR
$2,343 USD
View
B
Retailer 14
-
€2,688 EUR
A$4,620 AUD
View
B
Retailer 15
-
€2,708 EUR
$3,025 USD
View
B
Retailer 16
-
€2,812 EUR
£2,474 GBP
View
Most Expensive
B
Brilliant Earth
22402208A · Oct 31
€6,677 EUR
$7,460 USD
View
16 more retailers have this diamond
Prices start from €541 EURSave up to €6,137 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
€541 EUR