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Cushion|Lab Grown|IGI

4.06ct F SI1 Cushion Lab Grown Diamond

ID • F/SI1 • IGI LG602366583

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG602366583

Diamond specifications and retailer prices

From €613 EUR
$685 USD
As of November 2, 2026
Save €2,215 EUR (78%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €2,828 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 top-tier cut grade and certified by IGI LG602366583 or 602366583. Listed at 8 retailers as of October 31, 2026, with prices from €613 to €2,828, a €2,215 spread on the same certified stone. Brilliant Earth lists it at €2,828. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

4.06
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle29°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG602366583
Dimensions10.72 × 8.59 × 5.75 mm
L/W Ratio1.25
Girdle conditionFaceted
Culet sizePointed
Top View
10.72 mm8.59 mm4.06 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG602366583
Side View
Table 66.0%Crown 29°Girdle: MED-THKPavilion 39.3°Culet: NoneDepth 66.9%

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: €2,828 EUR|Low: €422 EUR|High: €5,344 EUR|Avg: €1,252 EUR|-47.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 7€422 EUR
Retailer 10€486 EUR
Retailer 5€613 EUR
Retailer 9€765 EUR
Retailer 4€789 EUR
Retailer 2€797 EUR
Retailer 8€858 EUR
Retailer 6€1,028 EUR
Retailer 3€1,787 EUR
Brilliant Earth€2,828 EUR

36 data points across 10 retailers

8 retailers€613 EUR to €2,828 EUR

A
Cheapest Retailer
-
€613 EUR
$685 USD
B+
Retailer 2
-
€765 EUR
$855 USD
View
A
Retailer 3
-
€789 EUR
View
A
Retailer 4
-
€797 EUR
£701 GBP
View
A
Retailer 5
-
€858 EUR
$959 USD
View
A
Retailer 6
-
€1,028 EUR
$1,148 USD
View
B+
Retailer 7
-
€1,787 EUR
£1,572 GBP
View
Most Expensive
B
Brilliant Earth
8386158A · Oct 31
€2,828 EUR
$3,160 USD
View
7 more retailers have this diamond
Prices start from €613 EURSave up to €2,215 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
4.06ct Cushion
€613 EUR