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Marquise|Lab Grown|IGI

1.00ct H VS1 Marquise Lab Grown Diamond

ID • H/VS1 • IGI LG603343098

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG603343098

Diamond specifications and retailer prices

From €206 EUR
As of November 4, 2026
Save €818 EUR (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €1,023 EUR at MOH London · As of November 2, 2026
View at MOH London

About this 1ct lab-grown marquise diamond

This 1ct lab-grown marquise sits in the classic one-carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG603343098 or 603343098. Listed at 13 retailers as of November 2, 2026, with prices from €206 to €1,023, a €818 spread on the same certified stone. MOH London lists it at €1,023. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG603343098
Dimensions11.02 × 5.21 × 3.01 mm
L/W Ratio2.12
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
11.02 mm5.21 mm1.00 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG603343098
Side View
Table 64.0%Crown 32.7°Girdle: MED-STKPavilion 39.3°Culet: NoneDepth 57.8%

Caratlytics Score

How it works →
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 4
Current: €1,023 EUR|Low: €198 EUR|High: €1,036 EUR|Avg: €562 EUR|+2.1%
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 16
November 2, 2026
Retailer 11€206 EUR
Retailer 16€239 EUR
Retailer 3€256 EUR
Retailer 13€256 EUR
Retailer 15€433 EUR
Retailer 2€441 EUR
Retailer 7€443 EUR
Retailer 4€461 EUR
Retailer 12€559 EUR
Retailer 9€623 EUR
Retailer 6€666 EUR
Retailer 8€669 EUR
Retailer 14€821 EUR
Retailer 10€825 EUR
Retailer 5€974 EUR
MOH London€1,023 EUR

26 data points across 16 retailers

13 retailers€206 EUR to €1,023 EUR

A
Cheapest Retailer
-
€206 EUR
A
Retailer 2
-
€239 EUR
View
Retailer 3
-
€256 EUR
View
Price last confirmed 11 days ago
A
Retailer 4
-
€256 EUR
View
A
Retailer 5
-
€433 EUR
View
A
Retailer 6
-
€441 EUR
View
A
Retailer 7
-
€443 EUR
View
A
Retailer 8
-
€461 EUR
View
A
Retailer 9
-
€559 EUR
View
Retailer 10
-
€623 EUR
View
Price last confirmed 9 days ago
B+
Retailer 11
-
€821 EUR
View
B+
Retailer 12
-
€825 EUR
View
Most Expensive
B+
MOH London
LG603343098 · Nov 2
€1,023 EUR
£908 GBP
View
12 more retailers have this diamond
Prices start from €206 EURSave up to €818 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
1.00ct Marquise
€206 EUR