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Marquise|Lab Grown|IGI

1.00ct E FL Marquise Lab Grown Diamond

ID • E/FL • IGI LG800679787

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG800679787

Diamond specifications and retailer prices

From €295 EUR
As of November 4, 2026
Save €711 EUR (71%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €1,005 EUR at MOH London · As of November 5, 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 E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG800679787 or 800679787. Listed at 10 retailers as of November 4, 2026, with prices from €295 to €1,005, a €711 spread on the same certified stone. MOH London lists it at €1,005. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800679787
Dimensions10.53 × 5.11 × 3.34 mm
L/W Ratio2.06
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
10.53 mm5.11 mm1.00 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800679787
Side View
Table 56.0%Crown 36.2°Girdle: MED-STKPavilion 41°Culet: NoneDepth 65.4%

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: €1,005 EUR|Low: €295 EUR|High: €1,868 EUR|Avg: €671 EUR|-46.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 5€295 EUR
Retailer 8€355 EUR
Retailer 4€422 EUR
Retailer 3€434 EUR
Retailer 2€465 EUR
Retailer 7€498 EUR
Retailer 6€547 EUR
Retailer 10€855 EUR
Retailer 9€917 EUR
MOH London€1,005 EUR

45 data points across 10 retailers

10 retailers€295 EUR to €1,005 EUR

A
Cheapest Retailer
-
€295 EUR
A
Retailer 2
-
€355 EUR
View
A
Retailer 3
-
€422 EUR
View
A
Retailer 4
-
€434 EUR
View
A
Retailer 5
-
€465 EUR
View
A
Retailer 6
-
€498 EUR
View
B+
Retailer 7
-
€547 EUR
View
B
Retailer 8
-
€855 EUR
View
B
Retailer 9
-
€917 EUR
View
Most Expensive
B
MOH London
LG800679787 · Nov 5
€1,005 EUR
£892 GBP
View
9 more retailers have this diamond
Prices start from €295 EURSave up to €711 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
€295 EUR