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Marquise|Lab Grown|IGI

0.57ct E SI1 Marquise Lab Grown Diamond

ID • E/SI1 • IGI LG841689263

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG841689263

Diamond specifications and retailer prices

From £123 GBP
$165 USD
As of October 30, 2026
Save £537 GBP (81%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £660 GBP at MOH London · As of October 26, 2026
View at MOH London

About this 0.57ct lab-grown marquise diamond

This 0.57ct lab-grown marquise sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG841689263 or 841689263. Listed at 5 retailers as of October 26, 2026, with prices from £123 to £660, a £537 spread on the same certified stone. MOH London lists it at £660. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.57
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle29.7°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841689263
Dimensions8.94 × 4.31 × 2.63 mm
L/W Ratio2.07
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.94 mm4.31 mm0.57 ctE / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG841689263
Side View
Table 54.0%Crown 29.7°Girdle: MED-THKPavilion 39.2°CuletDepth 61.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £660 GBP|Low: £123 GBP|High: £663 GBP|Avg: £287 GBP|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 30, 2026
Retailer 5£123 GBP
Retailer 2£172 GBP
Retailer 3£216 GBP
Retailer 4£332 GBP
MOH London£660 GBP

17 data points across 5 retailers

5 retailers£123 GBP to £660 GBP

B+
Cheapest Retailer
-
£123 GBP
$165 USD
B+
Retailer 2
-
£172 GBP
View
B+
Retailer 3
-
£216 GBP
View
B
Retailer 4
-
£332 GBP
$445 USD
View
Most Expensive
B
MOH London
LG841689263 · Oct 26
£660 GBP
View
4 more retailers have this diamond
Prices start from £123 GBPSave up to £537 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.

B+
0.57ct Marquise
£123 GBP