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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 £510 GBP
$685 USD
As of November 2, 2026
Save £1,837 GBP (78%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £2,347 GBP at Brilliant Earth · As of November 2, 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 November 2, 2026, with prices from £510 to £2,347, a £1,837 spread on the same certified stone. Brilliant Earth lists it at £2,347. 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
Colour
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: £2,347 GBP|Low: £349 GBP|High: £4,426 GBP|Avg: £1,021 GBP|-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£349 GBP
Retailer 6£403 GBP
Retailer 5£510 GBP
Retailer 10£634 GBP
Retailer 4£653 GBP
Retailer 2£660 GBP
Retailer 9£712 GBP
Retailer 7£847 GBP
Retailer 3£1,480 GBP
Brilliant Earth£2,347 GBP

36 data points across 10 retailers

9 retailers£510 GBP to £2,347 GBP

Retailer 1
-
£403 GBP
$541 USD
Price last confirmed 8 days ago
A
Retailer 2
-
£510 GBP
$685 USD
View
B+
Retailer 3
-
£634 GBP
$851 USD
View
A
Retailer 4
-
£653 GBP
€835 EUR
View
A
Retailer 5
-
£660 GBP
View
A
Retailer 6
-
£712 GBP
$956 USD
View
A
Retailer 7
-
£847 GBP
$1,137 USD
View
B+
Retailer 8
-
£1,480 GBP
View
Most Expensive
B
Brilliant Earth
8838366A · Nov 2
£2,347 GBP
$3,150 USD
View
8 more retailers have this diamond
Prices start from £510 GBPSave up to £1,837 GBP

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
£510 GBP