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Marquise|Lab Grown|IGI

1.22ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG787623241

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG787623241

Diamond specifications and retailer prices

From €433 EUR
As of November 4, 2026
Save €1,625 EUR (79%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €2,143 EUR at Rare Carat · As of October 28, 2026
View at Rare Carat

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 LG787623241 or 787623241. Listed at 14 retailers as of November 4, 2026, with a 375% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle34.3°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787623241
Dimensions10.94 × 5.56 × 3.49 mm
L/W Ratio1.97
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
10.94 mm5.56 mm1.22 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787623241
Side View
Table 60.0%Crown 34.3°Girdle: MED-STKPavilion 40.3°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: €2,143 EUR|Low: €433 EUR|High: €2,922 EUR|Avg: €1,376 EUR|-1.4%
Rare Carat
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 9€433 EUR
Retailer 11€535 EUR
Retailer 7€670 EUR
Retailer 2€723 EUR
Retailer 5€756 EUR
Retailer 13€861 EUR
Retailer 4€877 EUR
Retailer 3€983 EUR
Retailer 6€1,012 EUR
Retailer 14€1,251 EUR
Retailer 12€1,444 EUR
Retailer 8€1,507 EUR
Retailer 10€2,058 EUR
Rare Carat€2,143 EUR

42 data points across 14 retailers

14 retailers€433 EUR to €2,058 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
-
€1,507 EUR
View
B
Retailer 13
-
€2,058 EUR
View
Most Expensive
Rare Carat
1106_l_787623241 · Oct 28
€2,143 EUR
$2,405 USD
View
Price last confirmed 8 days ago
13 more retailers have this diamond
Prices start from €433 EURSave up to €1,625 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