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Marquise|Lab Grown|IGI

1.03ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG818682430

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818682430

Diamond specifications and retailer prices

From €157 EUR
As of November 4, 2026
Save €755 EUR (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €912 EUR at MOH London · As of November 2, 2026
View at MOH London

About this 1.03ct lab-grown marquise diamond

This 1.03ct lab-grown marquise sits in the classic one-carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818682430 or 818682430. Listed at 19 retailers as of November 2, 2026, with prices from €157 to €912, a €755 spread on the same certified stone. MOH London lists it at €912. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818682430
Dimensions10.64 × 5.04 × 3.23 mm
L/W Ratio2.11
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.64 mm5.04 mm1.03 ctG / VS1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818682430
Side View
Table 59.0%Crown 33.1°Girdle: STK-THKPavilion 41.1°Culet: NoneDepth 64.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: €912 EUR|Low: €151 EUR|High: €925 EUR|Avg: €426 EUR|-1.2%
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
November 5, 2026
Retailer 5€157 EUR
Retailer 13€175 EUR
Retailer 12€183 EUR
Retailer 6€238 EUR
Retailer 8€336 EUR
Retailer 2€347 EUR
Retailer 11€347 EUR
Retailer 10€462 EUR
Retailer 9€476 EUR
Retailer 7€501 EUR
Retailer 4€533 EUR
Retailer 3€675 EUR
MOH London€912 EUR

32 data points across 13 retailers

19 retailers€157 EUR to €912 EUR

A
Cheapest Retailer
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€157 EUR
A
Retailer 2
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€175 EUR
View
Final sale: no returns
A
Retailer 3
-
€183 EUR
View
Retailer 4
-
€195 EUR
View
Price last confirmed 11 days ago
A
Retailer 5
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€195 EUR
View
A
Retailer 6
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€238 EUR
View
A
Retailer 7
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€298 EUR
View
A
Retailer 8
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€336 EUR
View
A
Retailer 9
-
€347 EUR
View
A
Retailer 10
-
€347 EUR
View
B+
Retailer 11
-
€462 EUR
View
B+
Retailer 12
-
€476 EUR
View
B+
Retailer 13
-
€501 EUR
View
B+
Retailer 14
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€533 EUR
View
B+
Retailer 15
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€586 EUR
View
B
Retailer 16
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€627 EUR
View
B
Retailer 17
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€654 EUR
View
B
Retailer 18
-
€675 EUR
View
Most Expensive
B
MOH London
LG818682430 · Nov 2
€912 EUR
£809 GBP
View
18 more retailers have this diamond
Prices start from €157 EURSave up to €755 EUR

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
1.03ct Marquise
€157 EUR