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Marquise|Lab Grown|IGI

1.45ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG790698711

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG790698711

Diamond specifications and retailer prices

From €423 EUR
As of November 4, 2026
Save €3,384 EUR (89%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: €3,808 EUR at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

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 LG790698711 or 790698711. Listed at 25 retailers as of November 4, 2026, with prices from €423 to €3,808, a €3,384 spread on the same certified stone. Brilliant Earth lists it at €3,808. 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 angle34.2°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790698711
Dimensions11.66 × 5.93 × 3.74 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
11.66 mm5.93 mm1.45 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790698711
Side View
Table 55.0%Crown 34.2°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 63.1%

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: €3,808 EUR|Low: €406 EUR|High: €3,808 EUR|Avg: €1,318 EUR
Brilliant Earth
Retailer 2
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Retailer 19
November 4, 2026
Retailer 4€423 EUR
Retailer 14€474 EUR
Retailer 11€475 EUR
Retailer 7€525 EUR
Retailer 17€652 EUR
Retailer 6€779 EUR
Retailer 10€782 EUR
Retailer 18€842 EUR
Retailer 12€890 EUR
Retailer 19€903 EUR
Retailer 15€1,000 EUR
Retailer 9€1,526 EUR
Retailer 8€1,626 EUR
Retailer 3€1,691 EUR
Retailer 13€1,988 EUR
Retailer 16€2,420 EUR
Retailer 5€2,490 EUR
Retailer 2€3,257 EUR
Brilliant Earth€3,808 EUR

37 data points across 19 retailers

25 retailers€423 EUR to €3,808 EUR

A
Cheapest Retailer
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€423 EUR
A
Retailer 2
-
€474 EUR
View
Final sale: no returns
A
Retailer 3
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€475 EUR
View
A
Retailer 4
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€525 EUR
View
Retailer 5
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€525 EUR
View
Price last confirmed 19 days ago
A
Retailer 6
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€587 EUR
View
A
Retailer 7
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€652 EUR
View
A
Retailer 8
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€779 EUR
View
A
Retailer 9
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€782 EUR
View
Retailer 10
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€842 EUR
View
Price last confirmed 8 days ago
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Retailer 11
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€890 EUR
View
A
Retailer 12
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€903 EUR
View
A
Retailer 13
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€1,000 EUR
View
B+
Retailer 14
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€1,290 EUR
View
B+
Retailer 15
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€1,511 EUR
View
B+
Retailer 16
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€1,526 EUR
View
B+
Retailer 17
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€1,626 EUR
View
B+
Retailer 18
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€1,691 EUR
View
B+
Retailer 19
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€1,834 EUR
View
B+
Retailer 20
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€1,988 EUR
View
B
Retailer 21
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€2,256 EUR
View
B
Retailer 22
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€2,420 EUR
View
B
Retailer 23
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€2,490 EUR
View
B
Retailer 24
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€3,257 EUR
View
Most Expensive
B
Brilliant Earth
21575407Y · Nov 4
€3,808 EUR
$4,290 USD
View
24 more retailers have this diamond
Prices start from €423 EURSave up to €3,384 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
€423 EUR