Marquise|Lab Grown|IGI

1.51ct H VS1 Marquise Lab Grown Diamond

EX • H/VS1 • IGI LG848646844

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG848646844

Diamond specifications and retailer prices

From $486 USD
€463 EUR
As of October 25, 2026
Save $685 USD (58%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,171 USD at MOH London · As of October 26, 2026
View at MOH London

About this 1.51ct lab-grown marquise diamond

This 1.51ct lab-grown marquise sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG848646844 or 848646844. Listed at 7 retailers as of October 25, 2026, with prices from $486 to $1,171, a $685 spread on the same certified stone. MOH London lists it at $1,171. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
H
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG848646844
Dimensions11.89 × 6.03 × 3.64 mm
L/W Ratio1.97
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.89 mm6.03 mm1.51 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG848646844
Side View
Table 62.0%Crown 36.4°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 60.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 25
Current: $1,171 USD|Low: $486 USD|High: $1,171 USD|Avg: $711 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 28, 2026
Retailer 3$486 USD
Retailer 6$493 USD
Retailer 2$516 USD
Retailer 5$618 USD
Retailer 4$905 USD
Retailer 7$991 USD
MOH London$1,171 USD

5 data points across 7 retailers

7 retailers$486 USD to $1,171 USD

A
Cheapest Retailer
-
$486 USD
€463 EUR
Returns within 100 days
A
Retailer 2
-
$493 USD
View
Returns within 30 days
A
Retailer 3
-
$516 USD
View
Returns within 30 days
A
Retailer 4
-
$618 USD
View
Returns within 30 days
B+
Retailer 5
-
$905 USD
View
Returns within 30 days
B+
Retailer 6
-
$991 USD
View
Returns within 90 days
Most Expensive
B
MOH London
LG848646844 · Oct 26
$1,171 USD
£922 GBP
View
6 more retailers have this diamond
Prices start from $486 USDSave up to $685 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
1.51ct Marquise
$486 USD