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Cushion|Lab Grown|IGI

4.04ct F SI1 Cushion Lab Grown Diamond

ID • F/SI1 • IGI LG610350111

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG610350111

Diamond specifications and retailer prices

From $685 USD
As of November 2, 2026
Save $2,465 USD (78%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $3,150 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 4.04ct lab-grown cushion diamond

This 4.04ct 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 LG610350111 or 610350111. Listed at 9 retailers as of October 31, 2026, with prices from $685 to $3,150, a $2,465 spread on the same certified stone. Brilliant Earth lists it at $3,150. 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

4.04
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.2°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG610350111
Dimensions10.85 × 8.43 × 5.77 mm
L/W Ratio1.29
Girdle conditionFaceted
Culet sizePointed
Top View
10.85 mm8.43 mm4.04 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG610350111
Side View
Table 66.0%Crown 31.2°Girdle: MED-THKPavilion 41.2°Culet: NoneDepth 68.4%

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: $3,150 USD|Low: $469 USD|High: $5,940 USD|Avg: $1,365 USD|-47.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 8$469 USD
Retailer 6$541 USD
Retailer 5$685 USD
Retailer 10$851 USD
Retailer 4$877 USD
Retailer 2$886 USD
Retailer 9$956 USD
Retailer 7$1,137 USD
Retailer 3$1,986 USD
Brilliant Earth$3,150 USD

37 data points across 10 retailers

9 retailers$685 USD to $3,150 USD

Retailer 1
-
$541 USD
Price last confirmed 8 days ago
A
Retailer 2
-
$685 USD
View
B+
Retailer 3
-
$851 USD
View
A
Retailer 4
-
$877 USD
€835 EUR
View
A
Retailer 5
-
$886 USD
£697 GBP
View
A
Retailer 6
-
$956 USD
View
A
Retailer 7
-
$1,137 USD
View
B+
Retailer 8
-
$1,986 USD
£1,564 GBP
View
Most Expensive
B
Brilliant Earth
8838366A · Oct 31
$3,150 USD
View
8 more retailers have this diamond
Prices start from $685 USDSave up to $2,465 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
4.04ct Cushion
$685 USD