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 $819 USD
As of October 30, 2026
Save $2,747 USD (77%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $3,566 USD at MOH London · As of October 25, 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 October 25, 2026, with prices from $819 to $3,566, a $2,747 spread on the same certified stone. MOH London lists it at $3,566. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $3,566 USD|Low: $659 USD|High: $3,621 USD|Avg: $2,149 USD|-1.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 8$819 USD
Retailer 6$891 USD
Retailer 9$917 USD
Retailer 2$950 USD
Retailer 4$1,927 USD
Retailer 3$2,460 USD
Retailer 11$2,656 USD
Retailer 7$2,775 USD
Retailer 10$2,896 USD
Retailer 5$2,948 USD
MOH London$3,566 USD

19 data points across 11 retailers

9 retailers$819 USD to $3,566 USD

A
Cheapest Retailer
-
$819 USD
B+
Retailer 2
-
$891 USD
View
B+
Retailer 3
-
$917 USD
View
Final sale: no returns
B+
Retailer 4
-
$950 USD
View
B+
Retailer 5
-
$1,927 USD
ZAR 31,132 ZAR
View
B
Retailer 6
-
$2,775 USD
View
B
Retailer 7
-
$2,896 USD
£2,280 GBP
View
B
Retailer 8
-
$2,948 USD
View
Most Expensive
B
MOH London
6525139609 · Oct 25
$3,566 USD
£2,808 GBP
View
8 more retailers have this diamond
Prices start from $819 USDSave up to $2,747 USD

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
$819 USD