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Marquise|Lab Grown|IGI

1.55ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG837654815

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG837654815

Diamond specifications and retailer prices

From $253 USD
As of November 2, 2026
Save $1,003 USD (80%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,256 USD 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 F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG837654815 or 837654815. Listed at 22 retailers as of November 1, 2026, with prices from $253 to $1,256, a $1,003 spread on the same certified stone. MOH London lists it at $1,256. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837654815
Dimensions11.42 × 6.24 × 3.88 mm
L/W Ratio1.83
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.42 mm6.24 mm1.55 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837654815
Side View
Table 57.0%Crown 33.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.2%

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 2
Current: $1,256 USD|Low: $253 USD|High: $1,285 USD|Avg: $653 USD|-1.6%
MOH London
Retailer 2
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Retailer 11
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Retailer 20
November 2, 2026
Retailer 9$253 USD
Retailer 10$283 USD
Retailer 5$293 USD
Retailer 4$313 USD
Retailer 20$313 USD
Retailer 13$366 USD
Retailer 18$475 USD
Retailer 17$524 USD
Retailer 15$541 USD
Retailer 6$546 USD
Retailer 14$592 USD
Retailer 16$653 USD
Retailer 19$730 USD
Retailer 2$806 USD
Retailer 7$976 USD
Retailer 3$1,007 USD
Retailer 11$1,012 USD
Retailer 8$1,059 USD
Retailer 12$1,233 USD
MOH London$1,256 USD

26 data points across 20 retailers

22 retailers$253 USD to $1,256 USD

A
Cheapest Retailer
-
$253 USD
A
Retailer 2
-
$283 USD
View
Final sale: no returns
A
Retailer 3
-
$293 USD
View
A
Retailer 4
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$313 USD
View
Retailer 5
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$313 USD
View
Price last confirmed 8 days ago
A
Retailer 6
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$366 USD
£288 GBP
View
A
Retailer 7
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$475 USD
View
A
Retailer 8
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$524 USD
View
A
Retailer 9
-
$541 USD
ZAR 8,739 ZAR
View
A
Retailer 10
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$546 USD
View
A
Retailer 11
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$592 USD
£466 GBP
View
A
Retailer 12
-
$653 USD
View
A
Retailer 13
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$730 USD
A$1,123 AUD
View
A
Retailer 14
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$806 USD
View
Retailer 15
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$958 USD
A$1,474 AUD
View
Price last confirmed 28 days ago
B+
Retailer 16
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$976 USD
View
Retailer 17
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$1,000 USD
View
Price last confirmed 29 days ago
B+
Retailer 18
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$1,007 USD
View
B+
Retailer 19
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$1,012 USD
SGD 1,367 SGD
View
B+
Retailer 20
-
$1,059 USD
View
B
Retailer 21
-
$1,233 USD
View
Most Expensive
B+
MOH London
LG837654815 · Nov 1
$1,256 USD
£989 GBP
View
21 more retailers have this diamond
Prices start from $253 USDSave up to $1,003 USD

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
$253 USD