Marquise|Lab Grown|IGI

1.55ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG812621506

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG812621506

Diamond specifications and retailer prices

From €617 EUR
$692 USD
As of November 1, 2026
Save €2,349 EUR (79%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: €2,966 EUR at MOH London · As of November 1, 2026
View at MOH London

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 LG812621506 or 812621506. Listed at 25 retailers as of November 1, 2026, with prices from €617 to €2,966, a €2,349 spread on the same certified stone. MOH London lists it at €2,966. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG812621506
Dimensions11.73 × 6.06 × 3.71 mm
L/W Ratio1.94
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
11.73 mm6.06 mm1.55 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG812621506
Side View
Table 61.0%Crown 34.6°Girdle: MediumPavilion 39.7°Culet: NoneDepth 61.2%

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 1
Current: €2,966 EUR|Low: €534 EUR|High: €2,981 EUR|Avg: €1,400 EUR|+9.1%
MOH London
Retailer 2
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Retailer 20
Retailer 21
November 2, 2026
Retailer 9€556 EUR
Retailer 3€617 EUR
Retailer 10€690 EUR
Retailer 11€690 EUR
Retailer 15€789 EUR
Retailer 5€936 EUR
Retailer 4€961 EUR
Retailer 20€1,047 EUR
Retailer 7€1,048 EUR
Retailer 13€1,070 EUR
Retailer 2€1,174 EUR
Retailer 16€1,467 EUR
Retailer 17€1,591 EUR
Retailer 12€1,631 EUR
Retailer 14€2,011 EUR
Retailer 21€2,058 EUR
Retailer 8€2,158 EUR
Retailer 6€2,207 EUR
Retailer 19€2,253 EUR
Retailer 18€2,496 EUR
MOH London€2,966 EUR

39 data points across 21 retailers

25 retailers€617 EUR to €2,966 EUR

Retailer 1
-
€556 EUR
$624 USD
Price last confirmed 25 days ago
A
Retailer 2
-
€617 EUR
$692 USD
View
Final sale: no returns
Retailer 3
-
€623 EUR
$699 USD
View
Price last confirmed 34 days ago
Retailer 4
-
€681 EUR
$764 USD
View
Price last confirmed 38 days ago
Retailer 5
-
€690 EUR
$774 USD
View
Price last confirmed 30 days ago
Retailer 6
-
€690 EUR
$774 USD
View
Price last confirmed 21 days ago
A
Retailer 7
-
€789 EUR
$885 USD
View
A
Retailer 8
-
€936 EUR
$1,050 USD
View
A
Retailer 9
-
€961 EUR
$1,078 USD
View
A
Retailer 10
-
€1,047 EUR
$1,174 USD
View
Retailer 11
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€1,048 EUR
View
Price last confirmed 8 days ago
A
Retailer 12
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€1,070 EUR
£945 GBP
View
A
Retailer 13
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€1,174 EUR
ZAR 21,274 ZAR
View
A
Retailer 14
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€1,467 EUR
$1,645 USD
View
B+
Retailer 15
-
€1,591 EUR
A$2,746 AUD
View
Retailer 16
-
€1,631 EUR
$1,829 USD
View
Price last confirmed 9 days ago
Retailer 17
-
€1,814 EUR
$2,035 USD
View
Price last confirmed 33 days ago
Retailer 18
-
€2,011 EUR
£1,776 GBP
View
Price last confirmed 22 days ago
B+
Retailer 19
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€2,058 EUR
$2,308 USD
View
B+
Retailer 20
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€2,158 EUR
$2,420 USD
View
B+
Retailer 21
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€2,201 EUR
$2,469 USD
View
B+
Retailer 22
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€2,207 EUR
$2,475 USD
View
B+
Retailer 23
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€2,253 EUR
$2,527 USD
View
B+
Retailer 24
-
€2,496 EUR
$2,800 USD
View
Most Expensive
B
MOH London
LG812621506 · Nov 1
€2,966 EUR
£2,619 GBP
View
24 more retailers have this diamond
Prices start from €617 EURSave up to €2,349 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
€617 EUR