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Marquise|Lab Grown|IGI

1.55ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG818682574

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818682574

Diamond specifications and retailer prices

From €226 EUR
As of November 4, 2026
Save €919 EUR (80%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €1,145 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 E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818682574 or 818682574. Listed at 22 retailers as of November 4, 2026, with prices from €226 to €1,145, a €919 spread on the same certified stone. Brilliant Earth lists it at €1,145. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818682574
Dimensions12.04 × 6.09 × 3.80 mm
L/W Ratio1.98
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.04 mm6.09 mm1.55 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818682574
Side View
Table 60.0%Crown 35°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.4%

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: €1,145 EUR|Low: €226 EUR|High: €1,846 EUR|Avg: €621 EUR|-38.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
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Retailer 13
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Retailer 19
Retailer 20
Retailer 21
November 5, 2026
Retailer 11€226 EUR
Retailer 12€252 EUR
Retailer 7€263 EUR
Retailer 4€280 EUR
Retailer 6€280 EUR
Retailer 13€327 EUR
Retailer 3€422 EUR
Retailer 21€469 EUR
Retailer 8€484 EUR
Retailer 18€484 EUR
Retailer 2€526 EUR
Retailer 20€582 EUR
Retailer 15€657 EUR
Retailer 17€722 EUR
Retailer 9€876 EUR
Retailer 19€881 EUR
Retailer 5€902 EUR
Retailer 14€903 EUR
Retailer 10€947 EUR
Retailer 16€1,125 EUR
Brilliant Earth€1,145 EUR

29 data points across 21 retailers

22 retailers€226 EUR to €1,145 EUR

A
Cheapest Retailer
-
€226 EUR
A
Retailer 2
-
€252 EUR
View
Final sale: no returns
A
Retailer 3
-
€263 EUR
View
Retailer 4
-
€280 EUR
View
Price last confirmed 11 days ago
A
Retailer 5
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€280 EUR
View
A
Retailer 6
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€327 EUR
View
A
Retailer 7
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€422 EUR
View
A
Retailer 8
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€469 EUR
View
A
Retailer 9
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€484 EUR
View
A
Retailer 10
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€484 EUR
View
A
Retailer 11
-
€526 EUR
View
A
Retailer 12
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€582 EUR
View
B+
Retailer 13
-
€657 EUR
View
B+
Retailer 14
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€722 EUR
View
B+
Retailer 15
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€876 EUR
View
Retailer 16
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€881 EUR
View
Price last confirmed 7 days ago
B+
Retailer 17
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€902 EUR
View
B+
Retailer 18
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€903 EUR
View
B
Retailer 19
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€947 EUR
View
B
Retailer 20
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€1,104 EUR
View
B
Retailer 21
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€1,125 EUR
View
Most Expensive
B
Brilliant Earth
21636411A · Nov 4
€1,145 EUR
$1,290 USD
View
21 more retailers have this diamond
Prices start from €226 EURSave up to €919 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
€226 EUR