Cushion|Lab Grown|IGI

3.04ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG743547298

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG743547298

Diamond specifications and retailer prices

From £1,031 GBP
$1,382 USD
As of October 31, 2026
Save £4,312 GBP (81%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £5,344 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.04ct lab-grown cushion diamond

This 3.04ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG743547298 or 743547298. Listed at 19 retailers as of October 31, 2026, with prices from £1,031 to £5,344, a £4,312 spread on the same certified stone. Brilliant Earth lists it at £5,344. 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

3.04
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.2°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG743547298
Dimensions8.41 × 8.38 × 5.67 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
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
8.41 mm8.38 mm3.04 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG743547298
Side View
Table 60.0%Crown 38.2°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 67.7%

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: Oct 31
Current: £5,344 GBP|Low: £1,031 GBP|High: £5,344 GBP|Avg: £2,404 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 11
Retailer 12
Retailer 13
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Retailer 17
Retailer 18
November 1, 2026
Retailer 14£1,031 GBP
Retailer 9£1,068 GBP
Retailer 17£1,190 GBP
Retailer 5£1,308 GBP
Retailer 12£1,551 GBP
Retailer 18£1,606 GBP
Retailer 11£1,703 GBP
Retailer 13£1,902 GBP
Retailer 3£2,272 GBP
Retailer 2£2,412 GBP
Retailer 15£2,480 GBP
Retailer 6£2,582 GBP
Retailer 7£2,762 GBP
Retailer 4£3,065 GBP
Retailer 10£3,353 GBP
Retailer 16£3,450 GBP
Retailer 8£3,746 GBP
Brilliant Earth£5,344 GBP

36 data points across 18 retailers

19 retailers£1,031 GBP to £5,344 GBP

A
Cheapest Retailer
-
£1,031 GBP
$1,382 USD
Final sale: no returns
Retailer 2
-
£1,068 GBP
$1,431 USD
View
Price last confirmed 19 days ago
A
Retailer 3
-
£1,190 GBP
$1,595 USD
View
A
Retailer 4
-
£1,308 GBP
$1,752 USD
View
A
Retailer 5
-
£1,551 GBP
View
A
Retailer 6
-
£1,606 GBP
$2,152 USD
View
A
Retailer 7
-
£1,703 GBP
€2,173 EUR
View
A
Retailer 8
-
£1,902 GBP
$2,548 USD
View
A
Retailer 9
-
£2,272 GBP
$3,044 USD
View
A
Retailer 10
-
£2,412 GBP
A$4,972 AUD
View
A
Retailer 11
-
£2,480 GBP
ZAR 53,688 ZAR
View
Retailer 12
-
£2,582 GBP
View
Price last confirmed 20 days ago
A
Retailer 13
-
£2,762 GBP
$3,700 USD
View
A
Retailer 14
-
£2,933 GBP
$3,930 USD
View
A
Retailer 15
-
£3,065 GBP
$4,107 USD
View
B+
Retailer 16
-
£3,353 GBP
$4,493 USD
View
B+
Retailer 17
-
£3,450 GBP
View
B+
Retailer 18
-
£3,746 GBP
$5,019 USD
View
Most Expensive
B
Brilliant Earth
16915356A · Oct 31
£5,344 GBP
$7,160 USD
View
18 more retailers have this diamond
Prices start from £1,031 GBPSave up to £4,312 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
3.04ct Cushion
£1,031 GBP