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Marquise|Lab Grown|IGI

1.18ct E VVS1 Marquise Lab Grown Diamond

EX • E/VVS1 • IGI LG811680962

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG811680962

Diamond specifications and retailer prices

From £171 GBP
$228 USD
As of October 30, 2026
Save £689 GBP (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £860 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.18ct lab-grown marquise diamond

This 1.18ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG811680962 or 811680962. Listed at 17 retailers as of October 29, 2026, with prices from £171 to £860, a £689 spread on the same certified stone. MOH London lists it at £860. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.18
Carat
E
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811680962
Dimensions11.29 × 5.54 × 3.32 mm
L/W Ratio2.04
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.29 mm5.54 mm1.18 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811680962
Side View
Table 61.0%Crown 35.8°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 59.9%

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: £860 GBP|Low: £163 GBP|High: £860 GBP|Avg: £399 GBP|+1.1%
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
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Retailer 17
October 30, 2026
Retailer 11£171 GBP
Retailer 10£191 GBP
Retailer 5£200 GBP
Retailer 15£212 GBP
Retailer 4£213 GBP
Retailer 12£260 GBP
Retailer 2£360 GBP
Retailer 16£367 GBP
Retailer 3£369 GBP
Retailer 9£393 GBP
Retailer 13£396 GBP
Retailer 7£407 GBP
Retailer 17£521 GBP
Retailer 8£686 GBP
Retailer 6£689 GBP
Retailer 14£720 GBP
MOH London£860 GBP

29 data points across 17 retailers

17 retailers£171 GBP to £860 GBP

A
Cheapest Retailer
-
£171 GBP
$228 USD
A
Retailer 2
-
£191 GBP
$255 USD
View
Final sale: no returns
A
Retailer 3
-
£200 GBP
$266 USD
View
A
Retailer 4
-
£212 GBP
$282 USD
View
A
Retailer 5
-
£213 GBP
$284 USD
View
A
Retailer 6
-
£260 GBP
View
A
Retailer 7
-
£360 GBP
$479 USD
View
A
Retailer 8
-
£367 GBP
ZAR 7,892 ZAR
View
A
Retailer 9
-
£369 GBP
€468 EUR
View
B+
Retailer 10
-
£393 GBP
$524 USD
View
B+
Retailer 11
-
£396 GBP
View
B+
Retailer 12
-
£407 GBP
$542 USD
View
B+
Retailer 13
-
£521 GBP
A$1,067 AUD
View
B
Retailer 14
-
£686 GBP
$914 USD
View
B
Retailer 15
-
£689 GBP
$917 USD
View
B
Retailer 16
-
£720 GBP
$959 USD
View
Most Expensive
B
MOH London
LG811680962 · Oct 29
£860 GBP
View
16 more retailers have this diamond
Prices start from £171 GBPSave up to £689 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
1.18ct Marquise
£171 GBP