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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 $685 USD
As of November 2, 2026
Save $2,475 USD (78%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $3,160 USD 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 $685 to $3,160, a $2,475 spread on the same certified stone. Brilliant Earth lists it at $3,160. 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: $3,160 USD|Low: $471 USD|High: $5,970 USD|Avg: $1,399 USD|-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$471 USD
Retailer 10$543 USD
Retailer 5$685 USD
Retailer 9$855 USD
Retailer 4$882 USD
Retailer 2$890 USD
Retailer 8$959 USD
Retailer 6$1,148 USD
Retailer 3$1,996 USD
Brilliant Earth$3,160 USD

36 data points across 10 retailers

8 retailers$685 USD to $3,160 USD

A
Cheapest Retailer
-
$685 USD
B+
Retailer 2
-
$855 USD
View
A
Retailer 3
-
$882 USD
€840 EUR
View
A
Retailer 4
-
$890 USD
£701 GBP
View
A
Retailer 5
-
$959 USD
View
A
Retailer 6
-
$1,148 USD
View
B+
Retailer 7
-
$1,996 USD
£1,572 GBP
View
Most Expensive
B
Brilliant Earth
8386158A · Oct 31
$3,160 USD
View
7 more retailers have this diamond
Prices start from $685 USDSave up to $2,475 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
$685 USD