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Marquise|Lab Grown|IGI

1.55ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG790611664

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG790611664

Diamond specifications and retailer prices

From €821 EUR
As of November 4, 2026
Save €3,615 EUR (81%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €4,437 EUR at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.55ct lab-grown marquise diamond

This 1.55ct lab-grown marquise sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG790611664 or 790611664. Listed at 23 retailers as of November 4, 2026, with prices from €821 to €4,437, a €3,615 spread on the same certified stone. Brilliant Earth lists it at €4,437. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790611664
Dimensions11.69 × 6.12 × 3.79 mm
L/W Ratio1.91
Girdle conditionFaceted
Culet sizePointed
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
11.69 mm6.12 mm1.55 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790611664
Side View
Table 58.0%Crown 34.5°Girdle: MediumPavilion 39.9°Culet: NoneDepth 61.9%

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: €4,437 EUR|Low: €821 EUR|High: €4,437 EUR|Avg: €1,944 EUR
Brilliant Earth
Retailer 2
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Retailer 22
November 5, 2026
Retailer 15€821 EUR
Retailer 5€894 EUR
Retailer 11€919 EUR
Retailer 4€952 EUR
Retailer 20€952 EUR
Retailer 19€1,106 EUR
Retailer 17€1,109 EUR
Retailer 3€1,132 EUR
Retailer 9€1,141 EUR
Retailer 2€1,453 EUR
Retailer 18€1,513 EUR
Retailer 10€1,528 EUR
Retailer 13€1,752 EUR
Retailer 22€2,120 EUR
Retailer 8€2,634 EUR
Retailer 21€2,679 EUR
Retailer 6€2,981 EUR
Retailer 12€3,116 EUR
Retailer 14€3,197 EUR
Retailer 16€3,231 EUR
Retailer 7€3,313 EUR
Brilliant Earth€4,437 EUR

40 data points across 22 retailers

23 retailers€821 EUR to €4,437 EUR

A
Cheapest Retailer
-
€821 EUR
A
Retailer 2
-
€894 EUR
View
A
Retailer 3
-
€919 EUR
View
Final sale: no returns
A
Retailer 4
-
€952 EUR
View
Retailer 5
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€952 EUR
View
Price last confirmed 19 days ago
A
Retailer 6
-
€1,106 EUR
View
A
Retailer 7
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€1,109 EUR
View
A
Retailer 8
-
€1,132 EUR
View
A
Retailer 9
-
€1,141 EUR
View
A
Retailer 10
-
€1,453 EUR
View
Retailer 11
-
€1,513 EUR
View
Price last confirmed 9 days ago
A
Retailer 12
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€1,528 EUR
View
B+
Retailer 13
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€1,752 EUR
View
B+
Retailer 14
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€2,120 EUR
View
B
Retailer 15
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€2,634 EUR
View
B
Retailer 16
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€2,679 EUR
View
B+
Retailer 17
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€2,829 EUR
View
B
Retailer 18
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€2,981 EUR
View
B
Retailer 19
-
€3,116 EUR
View
B+
Retailer 20
-
€3,197 EUR
View
B
Retailer 21
-
€3,231 EUR
View
B
Retailer 22
-
€3,313 EUR
View
Most Expensive
B
Brilliant Earth
19074327A · Nov 4
€4,437 EUR
$4,980 USD
View
22 more retailers have this diamond
Prices start from €821 EURSave up to €3,615 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
1.55ct Marquise
€821 EUR