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 $604 USD
£476 GBP
As of November 1, 2026
Save $6,856 USD (92%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $7,460 USD 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 $604 to $7,460, a $6,856 spread on the same certified stone. Brilliant Earth lists it at $7,460. 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

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $3,142 USD|Low: $604 USD|High: $3,158 USD|Avg: $1,744 USD|-0.5%
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 1, 2026
Retailer 9$604 USD
Retailer 15$855 USD
Retailer 7$970 USD
Retailer 16$1,039 USD
Retailer 11$1,085 USD
Retailer 10$1,122 USD
Retailer 3$1,441 USD
Retailer 14$1,450 USD
Retailer 13$1,534 USD
Retailer 5$1,604 USD
Retailer 4$2,192 USD
Retailer 2$2,285 USD
Retailer 8$2,343 USD
Retailer 12$3,003 USD
Retailer 6$3,025 USD
Retailer 1$3,142 USD

6 data points across 16 retailers

17 retailers$604 USD to $7,460 USD

A
Cheapest Retailer
-
$604 USD
£476 GBP
A
Retailer 2
-
$855 USD
View
B+
Retailer 3
-
$970 USD
View
A
Retailer 4
-
$1,039 USD
View
A
Retailer 5
-
$1,085 USD
€1,033 EUR
View
A
Retailer 6
-
$1,122 USD
£883 GBP
View
A
Retailer 7
-
$1,441 USD
ZAR 23,277 ZAR
View
A
Retailer 8
-
$1,450 USD
A$2,231 AUD
View
B+
Retailer 9
-
$1,534 USD
View
B+
Retailer 10
-
$1,604 USD
View
B+
Retailer 11
-
$2,192 USD
View
B+
Retailer 12
-
$2,285 USD
SGD 3,088 SGD
View
B+
Retailer 13
-
$2,343 USD
View
B
Retailer 14
-
$3,003 USD
A$4,620 AUD
View
B
Retailer 15
-
$3,025 USD
View
B
Retailer 16
-
$3,142 USD
£2,474 GBP
View
Most Expensive
B
Brilliant Earth
22402208A · Oct 31
$7,460 USD
View
16 more retailers have this diamond
Prices start from $604 USDSave up to $6,856 USD

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
$604 USD