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Marquise|Lab Grown|IGI

1.00ct I VS1 Marquise Lab Grown Diamond

ID • I/VS1 • IGI LG436046305

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG436046305

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)
13 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 LG436046305 or 436046305. Listed at 13 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
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle32.3°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436046305
Dimensions9.65 × 5.32 × 3.29 mm
L/W Ratio1.81
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.65 mm5.32 mm1.00 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG436046305
Side View
Table 59.5%Crown 32.3°Girdle: STK-THKPavilion 40.5°Culet: NoneDepth 61.8%

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: €1,896 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
Retailer 14
Retailer 15
Retailer 16
November 3, 2026
Retailer 9€515 EUR
Retailer 7€797 EUR
Retailer 10€1,069 EUR
Retailer 14€1,164 EUR
Retailer 16€1,198 EUR
Retailer 11€1,241 EUR
Retailer 15€1,241 EUR
Retailer 5€1,393 EUR
Retailer 6€1,737 EUR
Retailer 12€1,968 EUR
Retailer 2€2,283 EUR
Retailer 13€2,326 EUR
Retailer 4€2,377 EUR
Retailer 3€3,003 EUR
Retailer 8€3,553 EUR
MOH London€3,987 EUR

22 data points across 16 retailers

13 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
-
€1,198 EUR
View
Final sale: no returns
B
Retailer 5
-
€1,241 EUR
View
Retailer 6
-
€1,241 EUR
View
Price last confirmed 23 days ago
B
Retailer 7
-
€1,393 EUR
View
B
Retailer 8
-
€1,968 EUR
View
B
Retailer 9
-
€2,283 EUR
View
B
Retailer 10
-
€2,326 EUR
View
B
Retailer 11
-
€2,377 EUR
View
B
Retailer 12
-
€3,003 EUR
View
Most Expensive
B
MOH London
LG436046305 · Nov 3
€3,987 EUR
£3,537 GBP
View
12 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