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Marquise|Lab Grown|IGI

4.57ct E VS1 Marquise Lab Grown Diamond

VG • E/VS1 • IGI LG733540197

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG733540197

Diamond specifications and retailer prices

From £586 GBP
$787 USD
As of October 30, 2026
Save £1,963 GBP (77%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £2,550 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 4.57ct lab-grown marquise diamond

This 4.57ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG733540197 or 733540197. Listed at 15 retailers as of October 30, 2026, with prices from £586 to £2,550, a £1,963 spread on the same certified stone. MOH London lists it at £2,550. 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

4.57
Carat
E
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG733540197
Dimensions17.45 × 8.59 × 5.33 mm
L/W Ratio2.03
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.45 mm8.59 mm4.57 ctE / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG733540197
Side View
Table 60.0%Crown 33.4°Girdle: STK-THKPavilion 41.1°Culet: NoneDepth 62.0%

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: £2,550 GBP|Low: £563 GBP|High: £4,573 GBP|Avg: £1,732 GBP
MOH London
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
November 1, 2026
Retailer 11£586 GBP
Retailer 3£657 GBP
Retailer 12£680 GBP
Retailer 5£698 GBP
Retailer 9£812 GBP
Retailer 2£1,043 GBP
Retailer 14£1,098 GBP
Retailer 8£1,447 GBP
Retailer 4£1,520 GBP
Retailer 10£1,617 GBP
Retailer 15£2,112 GBP
Retailer 13£2,299 GBP
MOH London£2,550 GBP
Retailer 6£3,577 GBP
Retailer 7£4,573 GBP

42 data points across 15 retailers

15 retailers£586 GBP to £2,550 GBP

A
Cheapest Retailer
-
£586 GBP
$787 USD
A
Retailer 2
-
£638 GBP
$856 USD
View
A
Retailer 3
-
£657 GBP
$881 USD
View
Final sale: no returns
A
Retailer 4
-
£680 GBP
$913 USD
View
Retailer 5
-
£680 GBP
$913 USD
View
Price last confirmed 16 days ago
A
Retailer 6
-
£812 GBP
$1,090 USD
View
A
Retailer 7
-
£1,043 GBP
View
A
Retailer 8
-
£1,098 GBP
$1,473 USD
View
A
Retailer 9
-
£1,447 GBP
ZAR 31,380 ZAR
View
B+
Retailer 10
-
£1,520 GBP
$2,040 USD
View
B+
Retailer 11
-
£1,617 GBP
$2,170 USD
View
B+
Retailer 12
-
£1,912 GBP
$2,566 USD
View
B
Retailer 13
-
£2,112 GBP
View
B
Retailer 14
-
£2,299 GBP
$3,085 USD
View
Most Expensive
B
MOH London
LG733540197 · Nov 1
£2,550 GBP
View
14 more retailers have this diamond
Prices start from £586 GBPSave up to £1,963 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
4.57ct Marquise
£586 GBP