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Marquise|Lab Grown|IGI

1.01ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG818682531

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818682531

Diamond specifications and retailer prices

From £134 GBP
$178 USD
As of October 30, 2026
Save £644 GBP (83%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £777 GBP at MOH London · As of October 26, 2026
View at MOH London

About this 1.01ct lab-grown marquise diamond

This 1.01ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818682531 or 818682531. Listed at 20 retailers as of October 26, 2026, with prices from £134 to £777, a £644 spread on the same certified stone. MOH London lists it at £777. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.01
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818682531
Dimensions11.02 × 5.17 × 3.18 mm
L/W Ratio2.13
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.02 mm5.17 mm1.01 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818682531
Side View
Table 61.0%Crown 32.9°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 61.5%

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: Oct 30
Current: £777 GBP|Low: £128 GBP|High: £787 GBP|Avg: £354 GBP|-1.0%
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
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Retailer 17
Retailer 18
October 30, 2026
Retailer 7£134 GBP
Retailer 4£149 GBP
Retailer 18£155 GBP
Retailer 10£166 GBP
Retailer 11£208 GBP
Retailer 8£243 GBP
Retailer 14£285 GBP
Retailer 13£295 GBP
Retailer 2£298 GBP
Retailer 12£402 GBP
Retailer 17£405 GBP
Retailer 6£451 GBP
Retailer 16£462 GBP
Retailer 9£533 GBP
Retailer 3£563 GBP
Retailer 5£574 GBP
Retailer 15£593 GBP
MOH London£777 GBP

28 data points across 18 retailers

20 retailers£134 GBP to £777 GBP

A
Cheapest Retailer
-
£134 GBP
$178 USD
A
Retailer 2
-
£149 GBP
$199 USD
View
Final sale: no returns
A
Retailer 3
-
£155 GBP
$207 USD
View
A
Retailer 4
-
£166 GBP
$221 USD
View
A
Retailer 5
-
£166 GBP
$221 USD
View
A
Retailer 6
-
£208 GBP
View
A
Retailer 7
-
£243 GBP
$323 USD
View
A
Retailer 8
-
£285 GBP
ZAR 6,131 ZAR
View
A
Retailer 9
-
£295 GBP
$393 USD
View
A
Retailer 10
-
£298 GBP
View
B+
Retailer 11
-
£402 GBP
$536 USD
View
B+
Retailer 12
-
£405 GBP
A$829 AUD
View
B+
Retailer 13
-
£451 GBP
SGD 812 SGD
View
B+
Retailer 14
-
£462 GBP
A$946 AUD
View
B
Retailer 15
-
£533 GBP
$710 USD
View
B
Retailer 16
-
£557 GBP
$742 USD
View
B
Retailer 17
-
£563 GBP
$750 USD
View
B
Retailer 18
-
£574 GBP
$765 USD
View
B
Retailer 19
-
£593 GBP
$790 USD
View
Most Expensive
B
MOH London
LG818682531 · Oct 26
£777 GBP
View
19 more retailers have this diamond
Prices start from £134 GBPSave up to £644 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
1.01ct Marquise
£134 GBP