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Marquise|Lab Grown|IGI

1.55ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG811619399

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG811619399

Diamond specifications and retailer prices

From €916 EUR
As of November 4, 2026
Save €3,530 EUR (79%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: €4,446 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 LG811619399 or 811619399. Listed at 25 retailers as of November 4, 2026, with prices from €916 to €4,446, a €3,530 spread on the same certified stone. Brilliant Earth lists it at €4,446. 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 angle32.9°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811619399
Dimensions9.35 × 6.66 × 4.01 mm
L/W Ratio1.40
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
9.35 mm6.66 mm1.55 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811619399
Side View
Table 60.0%Crown 32.9°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 60.2%

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: €4,446 EUR|Low: €879 EUR|High: €4,446 EUR|Avg: €1,925 EUR|+0.2%
Brilliant Earth
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
Retailer 15
Retailer 16
November 5, 2026
Retailer 5€916 EUR
Retailer 16€996 EUR
Retailer 3€1,062 EUR
Retailer 4€1,062 EUR
Retailer 10€1,197 EUR
Retailer 14€1,216 EUR
Retailer 11€1,499 EUR
Retailer 9€1,516 EUR
Retailer 7€1,519 EUR
Retailer 15€1,740 EUR
Retailer 12€1,954 EUR
Retailer 6€1,991 EUR
Retailer 13€2,049 EUR
Retailer 8€3,136 EUR
Retailer 2€3,592 EUR
Brilliant Earth€4,446 EUR

37 data points across 16 retailers

25 retailers€916 EUR to €4,446 EUR

A
Cheapest Retailer
-
€916 EUR
A
Retailer 2
-
€996 EUR
View
A
Retailer 3
-
€1,025 EUR
View
Final sale: no returns
A
Retailer 4
-
€1,062 EUR
View
Retailer 5
-
€1,062 EUR
View
Price last confirmed 19 days ago
A
Retailer 6
-
€1,163 EUR
View
A
Retailer 7
-
€1,197 EUR
View
A
Retailer 8
-
€1,216 EUR
View
A
Retailer 9
-
€1,243 EUR
View
B+
Retailer 10
-
€1,499 EUR
View
A
Retailer 11
-
€1,516 EUR
View
A
Retailer 12
-
€1,519 EUR
View
Retailer 13
-
€1,740 EUR
View
Price last confirmed 7 days ago
B+
Retailer 14
-
€1,954 EUR
View
B+
Retailer 15
-
€1,991 EUR
View
B+
Retailer 16
-
€2,049 EUR
View
B+
Retailer 17
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€2,220 EUR
View
B
Retailer 18
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€2,932 EUR
View
B
Retailer 19
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€3,136 EUR
View
B
Retailer 20
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€3,293 EUR
View
B
Retailer 21
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€3,417 EUR
View
B
Retailer 22
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€3,559 EUR
View
B
Retailer 23
-
€3,592 EUR
View
B
Retailer 24
-
€3,705 EUR
View
Most Expensive
B
Brilliant Earth
20637611A · Nov 4
€4,446 EUR
$4,990 USD
View
24 more retailers have this diamond
Prices start from €916 EURSave up to €3,530 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
€916 EUR