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Marquise|Lab Grown|GIA

1.22ct E IF Marquise Lab Grown Diamond

ID • E/IF • GIA 6525139609

Certificate GIA 6525139609

Diamond specifications and retailer prices

From €725 EUR
As of November 4, 2026
Save €2,416 EUR (77%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €3,141 EUR at MOH London · As of November 5, 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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6525139609. Listed at 9 retailers as of November 4, 2026, with prices from €725 to €3,141, a €2,416 spread on the same certified stone. MOH London lists it at €3,141. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.22
Carat
E
Colour
IF
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 6525139609
Dimensions11.28 × 5.67 × 3.46 mm
L/W Ratio1.99
Cert comments
This is a man-made diamond.
Key to symbols
Minor Details of Polish
Top View
11.28 mm5.67 mm1.22 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6525139609
Side View
Table 57.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 61.1%

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: €3,141 EUR|Low: €725 EUR|High: €3,214 EUR|Avg: €1,880 EUR|-2.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 2€725 EUR
Retailer 6€789 EUR
Retailer 7€811 EUR
Retailer 8€841 EUR
Retailer 9€1,709 EUR
Retailer 3€2,183 EUR
Retailer 11€2,356 EUR
Retailer 5€2,459 EUR
Retailer 10€2,569 EUR
Retailer 4€2,612 EUR
MOH London€3,141 EUR

20 data points across 11 retailers

9 retailers€725 EUR to €3,141 EUR

A
Cheapest Retailer
-
€725 EUR
B+
Retailer 2
-
€789 EUR
View
B+
Retailer 3
-
€811 EUR
View
Final sale: no returns
B+
Retailer 4
-
€841 EUR
View
B+
Retailer 5
-
€1,709 EUR
View
B
Retailer 6
-
€2,459 EUR
View
B
Retailer 7
-
€2,569 EUR
View
B
Retailer 8
-
€2,612 EUR
View
Most Expensive
B
MOH London
6525139609 · Nov 5
€3,141 EUR
£2,787 GBP
View
8 more retailers have this diamond
Prices start from €725 EURSave up to €2,416 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
€725 EUR