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Cushion|Lab Grown|IGI

4.04ct E FL Cushion Lab Grown Diamond

ID • E/FL • IGI LG804664734

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG804664734

Diamond specifications and retailer prices

From £3,293 GBP
$4,412 USD
As of October 30, 2026
Save £14,994 GBP (82%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £18,287 GBP at With Clarity · As of October 31, 2026
View at With Clarity

About this 4.04ct lab-grown cushion diamond

This 4.04ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG804664734 or 804664734. Listed at 12 retailers as of October 30, 2026, with prices from £3,293 to £18,287, a £14,994 spread on the same certified stone. With Clarity lists it at £18,287. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.04
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.8°
Pavilion angle36.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804664734
Dimensions10.26 × 8.73 × 5.71 mm
L/W Ratio1.18
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
10.26 mm8.73 mm4.04 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804664734
Side View
Table 61.0%Crown 37.8°Girdle: MED-STKPavilion 36.4°Culet: NoneDepth 65.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £4,553 GBP|Low: £3,293 GBP|High: £22,205 GBP|Avg: £7,826 GBP|-18.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
With Clarity
October 31, 2026
Retailer 8£3,293 GBP
Retailer 2£4,328 GBP
Retailer 10£4,529 GBP
Retailer 1£4,553 GBP
Retailer 11£5,314 GBP
Retailer 5£5,688 GBP
Retailer 7£5,840 GBP
Retailer 6£7,467 GBP
Retailer 4£8,254 GBP
Retailer 9£9,287 GBP
Retailer 3£12,304 GBP
With Clarity£18,287 GBP

42 data points across 12 retailers

12 retailers£3,293 GBP to £18,287 GBP

A
Cheapest Retailer
-
£3,293 GBP
$4,412 USD
A
Retailer 2
-
£4,328 GBP
HK$45,300 HKD
View
A
Retailer 3
-
£4,529 GBP
$6,069 USD
View
A
Retailer 4
-
£4,553 GBP
View
A
Retailer 5
-
£5,314 GBP
$7,120 USD
View
A
Retailer 6
-
£5,688 GBP
€7,259 EUR
View
Retailer 7
-
£5,840 GBP
$7,825 USD
View
Price last confirmed 9 days ago
B+
Retailer 8
-
£7,467 GBP
View
B+
Retailer 9
-
£8,254 GBP
$11,060 USD
View
B+
Retailer 10
-
£9,287 GBP
$12,443 USD
View
B+
Retailer 11
-
£12,304 GBP
$16,486 USD
View
Most Expensive
B
With Clarity
804664734 · Oct 31
£18,287 GBP
$24,502 USD
View
11 more retailers have this diamond
Prices start from £3,293 GBPSave up to £14,994 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
£3,293 GBP