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Marquise|Lab Grown|IGI

1.22ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG780662423

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG780662423

Diamond specifications and retailer prices

From €433 EUR
As of November 4, 2026
Save €1,948 EUR (82%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €2,381 EUR at MOH London · As of November 3, 2026
View at MOH London

About this 1.22ct lab-grown marquise diamond

This 1.22ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG780662423 or 780662423. Listed at 14 retailers as of November 3, 2026, with prices from €433 to €2,381, a €1,948 spread on the same certified stone. MOH London lists it at €2,381. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.22
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780662423
Dimensions11.11 × 5.63 × 3.51 mm
L/W Ratio1.97
Girdle conditionFaceted
Culet sizePointed
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
11.11 mm5.63 mm1.22 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780662423
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.3%

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: €2,381 EUR|Low: €433 EUR|High: €2,922 EUR|Avg: €1,395 EUR|-16.2%
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
November 5, 2026
Retailer 8€433 EUR
Retailer 10€535 EUR
Retailer 7€670 EUR
Retailer 2€723 EUR
Retailer 6€756 EUR
Retailer 12€861 EUR
Retailer 3€877 EUR
Retailer 14€983 EUR
Retailer 4€1,012 EUR
Retailer 13€1,251 EUR
Retailer 11€1,444 EUR
Retailer 9€2,058 EUR
Retailer 5€2,143 EUR
MOH London€2,381 EUR

41 data points across 14 retailers

14 retailers€433 EUR to €2,381 EUR

A
Cheapest Retailer
-
€433 EUR
A
Retailer 2
-
€535 EUR
View
A
Retailer 3
-
€670 EUR
View
B+
Retailer 4
-
€723 EUR
View
B+
Retailer 5
-
€756 EUR
View
B+
Retailer 6
-
€861 EUR
View
Retailer 7
-
€877 EUR
View
Price last confirmed 7 days ago
B+
Retailer 8
-
€983 EUR
View
B+
Retailer 9
-
€1,012 EUR
View
B+
Retailer 10
-
€1,251 EUR
View
B+
Retailer 11
-
€1,444 EUR
View
B
Retailer 12
-
€2,058 EUR
View
Retailer 13
-
€2,143 EUR
View
Price last confirmed 8 days ago
Most Expensive
B
MOH London
LG780662423 · Nov 3
€2,381 EUR
£2,104 GBP
View
13 more retailers have this diamond
Prices start from €433 EURSave up to €1,948 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
1.22ct Marquise
€433 EUR