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Cushion|Lab Grown|IGI

4.03ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG709532928

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG709532928

Diamond specifications and retailer prices

From £2,364 GBP
$3,168 USD
As of October 30, 2026
Save £5,738 GBP (71%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £8,102 GBP at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 4.03ct lab-grown cushion diamond

This 4.03ct 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 LG709532928 or 709532928. Listed at 21 retailers as of October 30, 2026, with prices from £2,364 to £8,102, a £5,738 spread on the same certified stone. Taylor and Hart lists it at £8,102. 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

4.03
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle28°
OriginLab Grown
Grading LabIGI
CertificateIGI LG709532928
Dimensions10.53 × 8.13 × 5.28 mm
L/W Ratio1.30
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.53 mm8.13 mm4.03 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG709532928
Side View
Table 59.0%Crown 36.2°Girdle: MED-STKPavilion 28°Culet: NoneDepth 64.9%

Caratlytics Score

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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 30
Current: £3,686 GBP|Low: £2,243 GBP|High: £9,189 GBP|Avg: £4,618 GBP|-14.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Taylor and Hart
October 31, 2026
Retailer 10£2,324 GBP
Retailer 6£2,364 GBP
Retailer 3£2,444 GBP
Retailer 19£2,456 GBP
Retailer 4£2,694 GBP
Retailer 2£3,108 GBP
Retailer 12£3,139 GBP
Retailer 15£3,321 GBP
Retailer 1£3,686 GBP
Retailer 9£4,004 GBP
Retailer 8£4,172 GBP
Retailer 13£4,947 GBP
Retailer 16£4,986 GBP
Retailer 5£5,780 GBP
Retailer 18£5,906 GBP
Retailer 14£6,256 GBP
Retailer 11£6,491 GBP
Retailer 17£7,292 GBP
Retailer 7£7,792 GBP
Taylor and Hart£8,102 GBP

31 data points across 20 retailers

21 retailers£2,364 GBP to £8,102 GBP

Retailer 1
-
£2,324 GBP
$3,114 USD
Price last confirmed 19 days ago
A
Retailer 2
-
£2,364 GBP
$3,168 USD
View
A
Retailer 3
-
£2,444 GBP
$3,275 USD
View
A
Retailer 4
-
£2,456 GBP
$3,291 USD
View
Final sale: no returns
A
Retailer 5
-
£2,694 GBP
HK$28,200 HKD
View
A
Retailer 6
-
£3,108 GBP
$4,164 USD
View
A
Retailer 7
-
£3,139 GBP
View
A
Retailer 8
-
£3,321 GBP
$4,450 USD
View
A
Retailer 9
-
£3,686 GBP
€4,704 EUR
View
A
Retailer 10
-
£4,004 GBP
View
A
Retailer 11
-
£4,172 GBP
$5,590 USD
View
A
Retailer 12
-
£4,947 GBP
ZAR 107,077 ZAR
View
Retailer 13
-
£4,986 GBP
A$10,279 AUD
View
Price last confirmed 9 days ago
Retailer 14
-
£5,605 GBP
$7,510 USD
View
Price last confirmed 33 days ago
A
Retailer 15
-
£5,780 GBP
$7,744 USD
View
A
Retailer 16
-
£5,906 GBP
$7,914 USD
View
A
Retailer 17
-
£6,256 GBP
View
B+
Retailer 18
-
£6,491 GBP
$8,697 USD
View
B+
Retailer 19
-
£7,292 GBP
$9,770 USD
View
B+
Retailer 20
-
£7,792 GBP
SGD 14,108 SGD
View
Most Expensive
B+
Taylor and Hart
2Z978ZY · Oct 31
£8,102 GBP
$10,856 USD
View
20 more retailers have this diamond
Prices start from £2,364 GBPSave up to £5,738 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
4.03ct Cushion
£2,364 GBP