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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 €397 EUR
$445 USD
As of November 2, 2026
Save €3,125 EUR (89%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €3,522 EUR at Do Amore Diamonds · As of November 2, 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 November 2, 2026, with prices from €397 to €3,522, a €3,125 spread on the same certified stone. Do Amore Diamonds lists it at €3,522. 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
Colour
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: Nov 2
Current: €3,522 EUR|Low: €397 EUR|High: €4,850 EUR|Avg: €1,457 EUR|-27.4%
Do Amore Diamonds
Retailer 2
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Retailer 22
November 3, 2026
Retailer 3€397 EUR
Retailer 11€444 EUR
Retailer 5€492 EUR
Retailer 22€620 EUR
Retailer 9€770 EUR
Retailer 8€772 EUR
Retailer 12€772 EUR
Retailer 2€903 EUR
Retailer 16€937 EUR
Retailer 21€1,077 EUR
Retailer 13€1,255 EUR
Retailer 20€1,265 EUR
Retailer 6€1,428 EUR
Retailer 4€1,841 EUR
Retailer 10€1,874 EUR
Retailer 7€1,903 EUR
Retailer 15€2,055 EUR
Retailer 18€2,142 EUR
Retailer 14€2,174 EUR
Retailer 19€2,211 EUR
Retailer 17€2,267 EUR
Do Amore Diamonds€3,522 EUR

35 data points across 22 retailers

23 retailers€397 EUR to €3,522 EUR

A
Cheapest Retailer
-
€397 EUR
$445 USD
A
Retailer 2
-
€444 EUR
$498 USD
View
Final sale: no returns
A
Retailer 3
-
€492 EUR
$552 USD
View
A
Retailer 4
-
€620 EUR
$695 USD
View
A
Retailer 5
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€770 EUR
$864 USD
View
A
Retailer 6
-
€772 EUR
$866 USD
View
A
Retailer 7
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€772 EUR
$866 USD
View
A
Retailer 8
-
€903 EUR
£798 GBP
View
A
Retailer 9
-
€937 EUR
ZAR 16,972 ZAR
View
A
Retailer 10
-
€1,077 EUR
A$1,858 AUD
View
A
Retailer 11
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€1,255 EUR
$1,408 USD
View
A
Retailer 12
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€1,265 EUR
A$2,182 AUD
View
A
Retailer 13
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€1,428 EUR
$1,602 USD
View
Retailer 14
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€1,619 EUR
$1,816 USD
View
Price last confirmed 33 days ago
B+
Retailer 15
-
€1,841 EUR
$2,065 USD
View
B+
Retailer 16
-
€1,874 EUR
$2,102 USD
View
B+
Retailer 17
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€1,903 EUR
SGD 2,884 SGD
View
Retailer 18
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€2,055 EUR
$2,305 USD
View
Price last confirmed 26 days ago
B+
Retailer 19
-
€2,142 EUR
A$3,696 AUD
View
Retailer 20
-
€2,174 EUR
£1,920 GBP
View
Price last confirmed 26 days ago
B+
Retailer 21
-
€2,211 EUR
$2,480 USD
View
B+
Retailer 22
-
€2,267 EUR
£2,002 GBP
View
Most Expensive
B
Do Amore Diamonds
27-15F516BD4 · Nov 2
€3,522 EUR
$3,950 USD
View
22 more retailers have this diamond
Prices start from €397 EURSave up to €3,125 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
€397 EUR