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Marquise|Lab Grown|IGI

1.00ct I VS1 Marquise Lab Grown Diamond

ID • I/VS1 • IGI LG499125610

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG499125610

Diamond specifications and retailer prices

From €515 EUR
As of November 4, 2026
Save €3,472 EUR (87%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €3,987 EUR at MOH London · As of November 3, 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 I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG499125610 or 499125610. Listed at 12 retailers as of November 3, 2026, with prices from €515 to €3,987, a €3,472 spread on the same certified stone. MOH London lists it at €3,987. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
I
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle37°
Pavilion angle36.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG499125610
Dimensions10.49 × 5.14 × 2.96 mm
L/W Ratio2.04
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
10.49 mm5.14 mm1.00 ctI / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG499125610
Side View
Table 62.0%Crown 37°Girdle: STK-VTKPavilion 36.2°Culet: NoneDepth 57.6%

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: Nov 4
Current: €3,987 EUR|Low: €515 EUR|High: €4,035 EUR|Avg: €1,859 EUR
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 3, 2026
Retailer 6€515 EUR
Retailer 5€797 EUR
Retailer 7€1,069 EUR
Retailer 11€1,164 EUR
Retailer 8€1,241 EUR
Retailer 3€1,393 EUR
Retailer 4€1,737 EUR
Retailer 9€1,968 EUR
Retailer 2€2,283 EUR
Retailer 10€2,326 EUR
Retailer 13€2,377 EUR
Retailer 12€3,003 EUR
MOH London€3,987 EUR

22 data points across 13 retailers

12 retailers€515 EUR to €3,987 EUR

A
Cheapest Retailer
-
€515 EUR
B
Retailer 2
-
€1,069 EUR
View
B
Retailer 3
-
€1,164 EUR
View
B
Retailer 4
-
€1,241 EUR
View
Retailer 5
-
€1,241 EUR
View
Price last confirmed 24 days ago
B
Retailer 6
-
€1,393 EUR
View
B
Retailer 7
-
€1,968 EUR
View
B
Retailer 8
-
€2,283 EUR
View
B
Retailer 9
-
€2,326 EUR
View
B
Retailer 10
-
€2,377 EUR
View
B
Retailer 11
-
€3,003 EUR
View
Most Expensive
B
MOH London
LG499125610 · Nov 3
€3,987 EUR
£3,537 GBP
View
11 more retailers have this diamond
Prices start from €515 EURSave up to €3,472 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
€515 EUR