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Marquise|Lab Grown|IGI

1.55ct E IF Marquise Lab Grown Diamond

EX • E/IF • IGI LG815649012

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG815649012

Diamond specifications and retailer prices

From €398 EUR
$445 USD
As of October 30, 2026
Save €3,137 EUR (89%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €3,536 EUR at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG815649012 or 815649012. Listed at 23 retailers as of October 30, 2026, with prices from €398 to €3,536, a €3,137 spread on the same certified stone. Do Amore Diamonds lists it at €3,536. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
E
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815649012
Dimensions12.16 × 6.06 × 3.78 mm
L/W Ratio2.01
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
12.16 mm6.06 mm1.55 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815649012
Side View
Table 58.0%Crown 35.2°Girdle: THN-MEDPavilion 40.2°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €3,536 EUR|Low: €398 EUR|High: €4,869 EUR|Avg: €1,468 EUR|-27.4%
Do Amore Diamonds
Retailer 2
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Retailer 22
October 31, 2026
Retailer 3€398 EUR
Retailer 11€446 EUR
Retailer 5€494 EUR
Retailer 21€622 EUR
Retailer 9€773 EUR
Retailer 8€775 EUR
Retailer 12€775 EUR
Retailer 2€899 EUR
Retailer 20€937 EUR
Retailer 19€1,081 EUR
Retailer 22€1,242 EUR
Retailer 17€1,270 EUR
Retailer 6€1,434 EUR
Retailer 4€1,848 EUR
Retailer 10€1,882 EUR
Retailer 7€1,910 EUR
Retailer 15€2,063 EUR
Retailer 13€2,150 EUR
Retailer 14€2,183 EUR
Retailer 16€2,220 EUR
Retailer 18€2,288 EUR
Do Amore Diamonds€3,536 EUR

32 data points across 22 retailers

23 retailers€398 EUR to €3,536 EUR

A
Cheapest Retailer
-
€398 EUR
$445 USD
A
Retailer 2
-
€446 EUR
$498 USD
View
Final sale: no returns
A
Retailer 3
-
€494 EUR
$552 USD
View
A
Retailer 4
-
€622 EUR
$695 USD
View
A
Retailer 5
-
€773 EUR
$864 USD
View
A
Retailer 6
-
€775 EUR
$866 USD
View
A
Retailer 7
-
€775 EUR
$866 USD
View
A
Retailer 8
-
€899 EUR
£791 GBP
View
A
Retailer 9
-
€937 EUR
ZAR 16,912 ZAR
View
A
Retailer 10
-
€1,081 EUR
A$1,858 AUD
View
A
Retailer 11
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€1,242 EUR
$1,388 USD
View
A
Retailer 12
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€1,270 EUR
A$2,182 AUD
View
A
Retailer 13
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€1,434 EUR
$1,602 USD
View
Retailer 14
-
€1,625 EUR
$1,816 USD
View
Price last confirmed 31 days ago
B+
Retailer 15
-
€1,848 EUR
$2,065 USD
View
B+
Retailer 16
-
€1,882 EUR
$2,102 USD
View
B+
Retailer 17
-
€1,910 EUR
SGD 2,884 SGD
View
Retailer 18
-
€2,063 EUR
$2,305 USD
View
Price last confirmed 24 days ago
B+
Retailer 19
-
€2,150 EUR
A$3,696 AUD
View
Retailer 20
-
€2,183 EUR
£1,920 GBP
View
Price last confirmed 24 days ago
B+
Retailer 21
-
€2,220 EUR
$2,480 USD
View
B+
Retailer 22
-
€2,288 EUR
£2,013 GBP
View
Most Expensive
B
Do Amore Diamonds
27-15F516BD4 · Oct 31
€3,536 EUR
$3,950 USD
View
22 more retailers have this diamond
Prices start from €398 EURSave up to €3,137 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
€398 EUR