Cushion|Lab Grown|IGI

4.52ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG737589073

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG737589073

Diamond specifications and retailer prices

From £3,120 GBP
$4,180 USD
As of November 1, 2026
Save £8,372 GBP (73%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £11,492 GBP at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 4.52ct lab-grown cushion diamond

This 4.52ct 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 LG737589073 or 737589073. Listed at 23 retailers as of October 31, 2026, with prices from £3,120 to £11,492, a £8,372 spread on the same certified stone. Taylor and Hart lists it at £11,492. 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

4.52
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42°
Pavilion angle27.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG737589073
Dimensions11.05 × 8.12 × 5.22 mm
L/W Ratio1.36
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.05 mm8.12 mm4.52 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG737589073
Side View
Table 69.0%Crown 42°Girdle: STK-THKPavilion 27.6°Culet: NoneDepth 64.3%

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: Nov 1
Current: £7,050 GBP|Low: £3,120 GBP|High: £12,404 GBP|Avg: £6,194 GBP|-0.2%
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
Retailer 20
Taylor and Hart
November 1, 2026
Retailer 6£3,120 GBP
Retailer 5£3,251 GBP
Retailer 8£3,299 GBP
Retailer 15£3,489 GBP
Retailer 13£3,821 GBP
Retailer 3£3,967 GBP
Retailer 12£4,255 GBP
Retailer 19£4,702 GBP
Retailer 9£4,955 GBP
Retailer 11£4,993 GBP
Retailer 14£5,236 GBP
Retailer 2£5,788 GBP
Retailer 17£6,919 GBP
Retailer 18£7,002 GBP
Retailer 1£7,050 GBP
Retailer 20£7,823 GBP
Retailer 10£8,210 GBP
Retailer 16£8,419 GBP
Retailer 7£9,027 GBP
Retailer 4£11,069 GBP
Taylor and Hart£11,492 GBP

35 data points across 21 retailers

23 retailers£3,120 GBP to £11,492 GBP

A
Cheapest Retailer
-
£3,120 GBP
$4,180 USD
Retailer 2
-
£3,251 GBP
$4,356 USD
View
Price last confirmed 19 days ago
A
Retailer 3
-
£3,299 GBP
$4,420 USD
View
A
Retailer 4
-
£3,489 GBP
$4,675 USD
View
Final sale: no returns
A
Retailer 5
-
£3,821 GBP
HK$40,000 HKD
View
A
Retailer 6
-
£3,967 GBP
$5,316 USD
View
A
Retailer 7
-
£4,255 GBP
View
A
Retailer 8
-
£4,702 GBP
$6,300 USD
View
A
Retailer 9
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£4,955 GBP
$6,639 USD
View
A
Retailer 10
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£4,993 GBP
View
A
Retailer 11
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£5,236 GBP
€6,682 EUR
View
Retailer 12
-
£5,788 GBP
$7,755 USD
View
Price last confirmed 13 days ago
Retailer 13
-
£5,889 GBP
$7,890 USD
View
Price last confirmed 34 days ago
A
Retailer 14
-
£6,919 GBP
ZAR 149,775 ZAR
View
A
Retailer 15
-
£7,002 GBP
View
B+
Retailer 16
-
£7,050 GBP
A$14,532 AUD
View
B+
Retailer 17
-
£7,823 GBP
$10,482 USD
View
B+
Retailer 18
-
£8,210 GBP
$11,000 USD
View
B+
Retailer 19
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£8,419 GBP
$11,280 USD
View
B+
Retailer 20
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£8,423 GBP
$11,286 USD
View
B+
Retailer 21
-
£9,027 GBP
$12,095 USD
View
B
Retailer 22
-
£11,069 GBP
SGD 20,043 SGD
View
Most Expensive
B
Taylor and Hart
UNZ1GD7 · Oct 31
£11,492 GBP
$15,398 USD
View
22 more retailers have this diamond
Prices start from £3,120 GBPSave up to £8,372 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
4.52ct Cushion
£3,120 GBP