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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 €158 EUR
$177 USD
As of November 2, 2026
Save €758 EUR (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €916 EUR at MOH London · As of November 1, 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 18 retailers as of November 1, 2026, with prices from €158 to €916, a €758 spread on the same certified stone. MOH London lists it at €916. 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
Color
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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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: €916 EUR|Low: €152 EUR|High: €930 EUR|Avg: €419 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
Retailer 14
Retailer 15
November 2, 2026
Retailer 5€158 EUR
Retailer 15€176 EUR
Retailer 14€184 EUR
Retailer 2€240 EUR
Retailer 6€300 EUR
Retailer 9€338 EUR
Retailer 13€349 EUR
Retailer 8€352 EUR
Retailer 12€464 EUR
Retailer 11€478 EUR
Retailer 10€498 EUR
Retailer 4€536 EUR
Retailer 7€630 EUR
Retailer 3€679 EUR
MOH London€916 EUR

30 data points across 15 retailers

18 retailers€158 EUR to €916 EUR

A
Cheapest Retailer
-
€158 EUR
$177 USD
A
Retailer 2
-
€176 EUR
$197 USD
View
Final sale: no returns
A
Retailer 3
-
€184 EUR
$206 USD
View
Retailer 4
-
€196 EUR
$220 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
€196 EUR
$220 USD
View
A
Retailer 6
-
€240 EUR
£212 GBP
View
A
Retailer 7
-
€300 EUR
$336 USD
View
A
Retailer 8
-
€338 EUR
ZAR 6,131 ZAR
View
A
Retailer 9
-
€349 EUR
$391 USD
View
A
Retailer 10
-
€352 EUR
£311 GBP
View
B+
Retailer 11
-
€464 EUR
$520 USD
View
B+
Retailer 12
-
€478 EUR
$536 USD
View
B+
Retailer 13
-
€498 EUR
$558 USD
View
B+
Retailer 14
-
€536 EUR
SGD 812 SGD
View
B
Retailer 15
-
€630 EUR
$707 USD
View
B
Retailer 16
-
€657 EUR
$737 USD
View
B
Retailer 17
-
€679 EUR
$761 USD
View
Most Expensive
B
MOH London
LG818682430 · Nov 1
€916 EUR
£809 GBP
View
17 more retailers have this diamond
Prices start from €158 EURSave up to €758 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
€158 EUR