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Marquise|Lab Grown|IGI

1.45ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG799676878

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG799676878

Diamond specifications and retailer prices

From €421 EUR
As of November 4, 2026
Save €2,677 EUR (86%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €3,111 EUR at Rare Carat · As of October 7, 2026
View at Rare Carat

About this 1.45ct lab-grown marquise diamond

This 1.45ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG799676878 or 799676878. Listed at 22 retailers as of November 4, 2026, with a 636% 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

1.45
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799676878
Dimensions11.42 × 6.02 × 3.71 mm
L/W Ratio1.90
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
11.42 mm6.02 mm1.45 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799676878
Side View
Table 58.0%Crown 34°Girdle: MED-STKPavilion 40°Culet: NoneDepth 61.6%

Caratlytics Score

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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: €3,111 EUR|Low: €421 EUR|High: €3,948 EUR|Avg: €1,760 EUR|-1.1%
Rare Carat
Retailer 2
Retailer 3
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Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 12
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Retailer 22
November 4, 2026
Retailer 7€421 EUR
Retailer 9€471 EUR
Retailer 22€471 EUR
Retailer 20€521 EUR
Retailer 8€568 EUR
Retailer 18€648 EUR
Retailer 6€728 EUR
Retailer 19€793 EUR
Retailer 10€814 EUR
Retailer 2€856 EUR
Retailer 13€899 EUR
Retailer 3€1,009 EUR
Retailer 15€1,180 EUR
Retailer 12€1,401 EUR
Retailer 5€1,514 EUR
Retailer 14€1,652 EUR
Retailer 21€1,677 EUR
Retailer 4€1,701 EUR
Retailer 11€1,835 EUR
Retailer 16€1,914 EUR
Retailer 17€3,098 EUR
Rare Carat€3,111 EUR

43 data points across 22 retailers

22 retailers€421 EUR to €3,098 EUR

A
Cheapest Retailer
-
€421 EUR
A
Retailer 2
-
€471 EUR
View
Final sale: no returns
A
Retailer 3
-
€471 EUR
View
A
Retailer 4
-
€521 EUR
View
A
Retailer 5
-
€568 EUR
View
A
Retailer 6
-
€648 EUR
View
A
Retailer 7
-
€728 EUR
View
Retailer 8
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€793 EUR
View
Price last confirmed 8 days ago
A
Retailer 9
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€814 EUR
View
A
Retailer 10
-
€856 EUR
View
A
Retailer 11
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€899 EUR
View
B+
Retailer 12
-
€1,009 EUR
View
Retailer 13
-
€1,180 EUR
View
Price last confirmed 18 days ago
B+
Retailer 14
-
€1,401 EUR
View
B+
Retailer 15
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€1,514 EUR
View
B+
Retailer 16
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€1,652 EUR
View
B+
Retailer 17
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€1,677 EUR
View
B+
Retailer 18
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€1,701 EUR
View
B
Retailer 19
-
€1,835 EUR
View
B+
Retailer 20
-
€1,914 EUR
View
B
Retailer 21
-
€3,098 EUR
View
Most Expensive
Rare Carat
A11-24A · Oct 7
€3,111 EUR
$3,505 USD
View
Price last confirmed 28 days ago
21 more retailers have this diamond
Prices start from €421 EURSave up to €2,677 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
1.45ct Marquise
€421 EUR