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Marquise|Lab Grown|IGI

4.53ct E IF Marquise Lab Grown Diamond

VG • E/IF • IGI LG818696568

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818696568

Diamond specifications and retailer prices

From £3,404 GBP
As of October 30, 2026
Save £11,183 GBP (77%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £14,587 GBP at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 4.53ct lab-grown marquise diamond

This 4.53ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG818696568 or 818696568. Listed at 21 retailers as of October 30, 2026, with prices from £3,404 to £14,587, a £11,183 spread on the same certified stone. Taylor and Hart lists it at £14,587. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

4.53
Carat
E
Colour
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.6°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818696568
Dimensions18.05 × 8.55 × 5.03 mm
L/W Ratio2.11
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.05 mm8.55 mm4.53 ctE / IF
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818696568
Side View
Table 61.0%Crown 39.6°Girdle: MED-STKPavilion 39.1°Culet: NoneDepth 58.8%

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: £3,404 GBP|Low: £3,373 GBP|High: £14,039 GBP|Avg: £6,306 GBP|-1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 11
Retailer 12
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Retailer 19
October 30, 2026
Retailer 1£3,404 GBP
Retailer 4£3,513 GBP
Retailer 8£3,682 GBP
Retailer 5£3,934 GBP
Retailer 6£4,075 GBP
Retailer 9£4,075 GBP
Retailer 2£4,097 GBP
Retailer 7£5,092 GBP
Retailer 18£5,204 GBP
Retailer 13£5,284 GBP
Retailer 11£5,755 GBP
Retailer 15£5,954 GBP
Retailer 16£7,347 GBP
Retailer 3£7,645 GBP
Retailer 14£8,482 GBP
Retailer 12£8,673 GBP
Retailer 17£8,943 GBP
Retailer 19£11,326 GBP
Retailer 10£14,039 GBP

43 data points across 19 retailers

21 retailers£3,404 GBP to £14,587 GBP

A
Cheapest Retailer
-
£3,404 GBP
A
Retailer 2
-
£3,513 GBP
$4,707 USD
View
A
Retailer 3
-
£3,682 GBP
$4,933 USD
View
A
Retailer 4
-
£3,934 GBP
$5,271 USD
View
Final sale: no returns
Retailer 5
-
£4,075 GBP
$5,460 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
£4,075 GBP
$5,460 USD
View
A
Retailer 7
-
£4,097 GBP
$5,490 USD
View
A
Retailer 8
-
£5,092 GBP
$6,823 USD
View
A
Retailer 9
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£5,204 GBP
$6,973 USD
View
A
Retailer 10
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£5,221 GBP
$6,995 USD
View
A
Retailer 11
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£5,284 GBP
View
A
Retailer 12
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£5,755 GBP
View
A
Retailer 13
-
£5,954 GBP
$7,978 USD
View
A
Retailer 14
-
£7,347 GBP
€9,376 EUR
View
A
Retailer 15
-
£7,645 GBP
$10,244 USD
View
A
Retailer 16
-
£8,482 GBP
View
A
Retailer 17
-
£8,673 GBP
ZAR 187,730 ZAR
View
Retailer 18
-
£8,943 GBP
A$18,434 AUD
View
Price last confirmed 8 days ago
B+
Retailer 19
-
£11,326 GBP
$15,176 USD
View
B+
Retailer 20
-
£14,039 GBP
SGD 25,419 SGD
View
Most Expensive
B
Taylor and Hart
B186UO5 · Oct 30
£14,587 GBP
$19,545 USD
View
20 more retailers have this diamond
Prices start from £3,404 GBPSave up to £11,183 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
4.53ct Marquise
£3,404 GBP