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Marquise|Lab Grown|IGI

1.21ct E FL Marquise Lab Grown Diamond

EX • E/FL • IGI LG823694876

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG823694876

Diamond specifications and retailer prices

From €501 EUR
As of November 4, 2026
Save €2,195 EUR (81%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €2,695 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 1.21ct lab-grown marquise diamond

This 1.21ct 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 LG823694876 or 823694876. Listed at 22 retailers as of November 1, 2026, with prices from €501 to €2,695, a €2,195 spread on the same certified stone. MOH London lists it at €2,695. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
E
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823694876
Dimensions10.56 × 5.67 × 3.56 mm
L/W Ratio1.86
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
10.56 mm5.67 mm1.21 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823694876
Side View
Table 57.0%Crown 35.7°Girdle: MED-STKPavilion 40°Culet: NoneDepth 62.8%

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: €2,695 EUR|Low: €481 EUR|High: €2,728 EUR|Avg: €1,237 EUR
MOH London
Retailer 2
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Retailer 20
November 4, 2026
Retailer 7€501 EUR
Retailer 10€561 EUR
Retailer 4€620 EUR
Retailer 19€620 EUR
Retailer 9€682 EUR
Retailer 14€737 EUR
Retailer 3€793 EUR
Retailer 12€801 EUR
Retailer 15€943 EUR
Retailer 8€956 EUR
Retailer 2€959 EUR
Retailer 13€1,070 EUR
Retailer 20€1,540 EUR
Retailer 18€1,632 EUR
Retailer 11€1,961 EUR
Retailer 16€2,006 EUR
Retailer 5€2,012 EUR
Retailer 17€2,028 EUR
Retailer 6€2,090 EUR
MOH London€2,695 EUR

44 data points across 20 retailers

22 retailers€501 EUR to €2,695 EUR

A
Cheapest Retailer
-
€501 EUR
A
Retailer 2
-
€560 EUR
View
Final sale: no returns
A
Retailer 3
-
€561 EUR
View
Retailer 4
-
€620 EUR
View
Price last confirmed 19 days ago
A
Retailer 5
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€620 EUR
View
B+
Retailer 6
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€682 EUR
View
B+
Retailer 7
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€737 EUR
View
B+
Retailer 8
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€793 EUR
View
B+
Retailer 9
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€801 EUR
View
Retailer 10
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€943 EUR
View
Price last confirmed 8 days ago
B+
Retailer 11
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€956 EUR
View
B+
Retailer 12
-
€959 EUR
View
B+
Retailer 13
-
€1,070 EUR
View
B
Retailer 14
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€1,540 EUR
View
B
Retailer 15
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€1,632 EUR
View
B
Retailer 16
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€1,812 EUR
View
B
Retailer 17
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€1,961 EUR
View
B
Retailer 18
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€2,006 EUR
View
B
Retailer 19
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€2,012 EUR
View
B
Retailer 20
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€2,028 EUR
View
B
Retailer 21
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€2,090 EUR
View
Most Expensive
B
MOH London
LG823694876 · Nov 1
€2,695 EUR
£2,391 GBP
View
21 more retailers have this diamond
Prices start from €501 EURSave up to €2,195 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
1.21ct Marquise
€501 EUR