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Marquise|Lab Grown|IGI

4.57ct E VS1 Marquise Lab Grown Diamond

VG • E/VS1 • IGI LG830648454

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG830648454

Diamond specifications and retailer prices

From £803 GBP
$1,078 USD
As of November 1, 2026
Save £5,568 GBP (87%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £6,371 GBP at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

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 LG830648454 or 830648454. Listed at 16 retailers as of November 1, 2026, with prices from £803 to £6,371, a £5,568 spread on the same certified stone. Do Amore Diamonds lists it at £6,371. 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 angle34.3°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830648454
Dimensions17.58 × 8.58 × 5.31 mm
L/W Ratio2.05
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.58 mm8.58 mm4.57 ctE / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830648454
Side View
Table 58.0%Crown 34.3°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 61.9%

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: £6,371 GBP|Low: £797 GBP|High: £6,371 GBP|Avg: £2,269 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
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Retailer 5
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Retailer 7
Retailer 8
Retailer 9
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Retailer 11
Retailer 12
Retailer 13
Retailer 14
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Retailer 17
November 2, 2026
Retailer 7£797 GBP
Retailer 4£803 GBP
Retailer 14£961 GBP
Retailer 15£1,173 GBP
Retailer 3£1,206 GBP
Retailer 2£1,330 GBP
Retailer 17£1,794 GBP
Retailer 12£1,955 GBP
Retailer 10£1,968 GBP
Retailer 8£2,533 GBP
Retailer 16£2,553 GBP
Retailer 5£2,580 GBP
Retailer 11£2,776 GBP
Retailer 6£3,132 GBP
Retailer 9£3,208 GBP
Retailer 13£4,043 GBP
Do Amore Diamonds£6,371 GBP

43 data points across 17 retailers

16 retailers£803 GBP to £6,371 GBP

A
Cheapest Retailer
-
£803 GBP
$1,078 USD
Final sale: no returns
A
Retailer 2
-
£961 GBP
$1,290 USD
View
A
Retailer 3
-
£1,173 GBP
$1,574 USD
View
A
Retailer 4
-
£1,206 GBP
$1,619 USD
View
A
Retailer 5
-
£1,330 GBP
View
B+
Retailer 6
-
£1,794 GBP
$2,407 USD
View
B+
Retailer 7
-
£1,955 GBP
ZAR 42,386 ZAR
View
B+
Retailer 8
-
£1,968 GBP
A$4,063 AUD
View
B
Retailer 9
-
£2,533 GBP
View
B+
Retailer 10
-
£2,553 GBP
$3,426 USD
View
B
Retailer 11
-
£2,580 GBP
$3,462 USD
View
B
Retailer 12
-
£2,776 GBP
A$5,731 AUD
View
B
Retailer 13
-
£3,132 GBP
View
B
Retailer 14
-
£3,208 GBP
$4,305 USD
View
B
Retailer 15
-
£4,043 GBP
$5,425 USD
View
Most Expensive
B
Do Amore Diamonds
27-21DBF6ED2 · Nov 2
£6,371 GBP
$8,550 USD
View
15 more retailers have this diamond
Prices start from £803 GBPSave up to £5,568 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
£803 GBP