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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 €440 EUR
$493 USD
As of October 31, 2026
Save €604 EUR (58%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €1,044 EUR 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 26, 2026, with prices from €440 to €1,044, a €604 spread on the same certified stone. MOH London lists it at €1,044. 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
Colour
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

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: Oct 31
Current: €1,044 EUR|Low: €433 EUR|High: €1,044 EUR|Avg: €640 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 31, 2026
Retailer 3€433 EUR
Retailer 6€440 EUR
Retailer 2€448 EUR
Retailer 5€551 EUR
Retailer 4€807 EUR
Retailer 7€883 EUR
MOH London€1,044 EUR

6 data points across 7 retailers

7 retailers€440 EUR to €1,044 EUR

Retailer 1
-
€433 EUR
Price last confirmed 8 days ago
A
Retailer 2
-
€440 EUR
$493 USD
View
A
Retailer 3
-
€448 EUR
$502 USD
View
A
Retailer 4
-
€551 EUR
$618 USD
View
Retailer 5
-
€807 EUR
$905 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
€883 EUR
$991 USD
View
Most Expensive
B
MOH London
LG848646844 · Oct 26
€1,044 EUR
£922 GBP
View
6 more retailers have this diamond
Prices start from €440 EURSave up to €604 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
1.51ct Marquise
€440 EUR