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Marquise|Lab Grown|IGI

1.53ct H VS1 Marquise Lab Grown Diamond

EX • H/VS1 • IGI LG822630957

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG822630957

Diamond specifications and retailer prices

From £676 GBP
As of November 2, 2026
1 retailer carries this diamond
Only listing: £676 GBP at Diamond Quarter
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Diamond Quarter

About this 1.53ct lab-grown marquise diamond

This 1.53ct 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 LG822630957 or 822630957. Listed at a single retailer as of November 2, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.53
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG822630957
Dimensions11.47 × 6.07 × 3.79 mm
L/W Ratio1.89
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.47 mm6.07 mm1.53 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG822630957
Side View
Table 59.0%Crown 33.4°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 2
Current: £676 GBP|Low: £218 GBP|High: £1,289 GBP|Avg: £594 GBP
Diamond Quarter
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
August 12, 2026
Retailer 6£218 GBP
Retailer 8£238 GBP
Retailer 5£374 GBP
Retailer 4£633 GBP
Retailer 7£667 GBP
Diamond Quarter£676 GBP
Retailer 3£770 GBP
Retailer 2£1,289 GBP

7 data points across 8 retailers

1 retailer

B+
Diamond Quarter
1.53VS1HLG88409BN · Nov 2
£676 GBP
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B+
1.53ct Marquise
£676 GBP