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Cushion|Lab Grown|IGI

4.06ct F SI1 Cushion Lab Grown Diamond

GD • F/SI1 • IGI LG839637112

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG839637112

Diamond specifications and retailer prices

From $528 USD
£416 GBP
As of November 2, 2026
Save $2,028 USD (79%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $2,557 USD at MOH London · As of November 1, 2026
View at MOH London

About this 4.06ct lab-grown cushion diamond

This 4.06ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG839637112 or 839637112. Listed at 5 retailers as of November 1, 2026, with prices from $528 to $2,557, a $2,028 spread on the same certified stone. MOH London lists it at $2,557. 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

4.06
Carat
F
Color
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839637112
Dimensions11.78 × 8.03 × 5.44 mm
L/W Ratio1.47
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.78 mm8.03 mm4.06 ctF / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839637112
Side View
Table 63.0%Crown 35.6°Girdle: MED-STKPavilion 35.4°Culet: NoneDepth 67.7%

Caratlytics Score

How it works →
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: $2,557 USD|Low: $527 USD|High: $2,569 USD|Avg: $1,376 USD|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 2$528 USD
Retailer 3$933 USD
Retailer 5$1,022 USD
Retailer 4$2,140 USD
MOH London$2,557 USD

30 data points across 5 retailers

5 retailers$528 USD to $2,557 USD

A
Cheapest Retailer
-
$528 USD
£416 GBP
B+
Retailer 2
-
$933 USD
€889 EUR
View
B+
Retailer 3
-
$1,022 USD
View
B
Retailer 4
-
$2,140 USD
View
Most Expensive
B
MOH London
LG839637112 · Nov 1
$2,557 USD
£2,013 GBP
View
4 more retailers have this diamond
Prices start from $528 USDSave up to $2,028 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
4.06ct Cushion
$528 USD