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Marquise|Lab Grown|IGI

0.57ct E SI1 Marquise Lab Grown Diamond

ID • E/SI1 • IGI LG760552171

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG760552171

Diamond specifications and retailer prices

From £62 GBP
$83 USD
As of October 30, 2026
Save £506 GBP (89%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £568 GBP at MOH London · As of October 29, 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 LG760552171 or 760552171. Listed at 12 retailers as of October 29, 2026, with prices from £62 to £568, a £506 spread on the same certified stone. MOH London lists it at £568. 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 angle30.9°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG760552171
Dimensions8.88 × 4.59 × 2.52 mm
L/W Ratio1.93
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.88 mm4.59 mm0.57 ctE / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG760552171
Side View
Table 62.0%Crown 30.9°Girdle: THN-STKPavilion 37.7°Culet: NoneDepth 54.9%

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: £568 GBP|Low: £60 GBP|High: £577 GBP|Avg: £194 GBP|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 10£62 GBP
Retailer 8£72 GBP
Retailer 9£82 GBP
Retailer 11£82 GBP
Retailer 2£138 GBP
Retailer 6£155 GBP
Retailer 4£166 GBP
Retailer 5£186 GBP
Retailer 12£247 GBP
Retailer 3£253 GBP
Retailer 7£275 GBP
MOH London£568 GBP

43 data points across 12 retailers

12 retailers£62 GBP to £568 GBP

A
Cheapest Retailer
-
£62 GBP
$83 USD
A
Retailer 2
-
£72 GBP
$96 USD
View
A
Retailer 3
-
£82 GBP
$110 USD
View
Retailer 4
-
£82 GBP
$110 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
£138 GBP
View
A
Retailer 6
-
£155 GBP
€198 EUR
View
A
Retailer 7
-
£166 GBP
$222 USD
View
B+
Retailer 8
-
£186 GBP
View
B+
Retailer 9
-
£247 GBP
$331 USD
View
B
Retailer 10
-
£253 GBP
$339 USD
View
B
Retailer 11
-
£275 GBP
$369 USD
View
Most Expensive
B
MOH London
LG760552171 · Oct 29
£568 GBP
View
11 more retailers have this diamond
Prices start from £62 GBPSave up to £506 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
0.57ct Marquise
£62 GBP