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Oval|Lab Grown|IGI

1.53ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG830621675

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG830621675

Diamond specifications and retailer prices

From £240 GBP
$322 USD
As of October 30, 2026
Save £601 GBP (71%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £842 GBP at MOH London · As of October 26, 2026
View at MOH London

About this 1.53ct lab-grown oval diamond

This 1.53ct lab-grown oval sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG830621675 or 830621675. Listed at 5 retailers as of October 26, 2026, with prices from £240 to £842, a £601 spread on the same certified stone. MOH London lists it at £842. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.53
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.9°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830621675
Dimensions9.36 × 6.56 × 3.85 mm
L/W Ratio1.43
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.36 mm6.56 mm1.53 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830621675
Side View
Table 62.0%Crown 30.9°Girdle: STK-THKPavilion 39.4°Culet: NoneDepth 58.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £842 GBP|Low: £240 GBP|High: £842 GBP|Avg: £469 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 30, 2026
Retailer 3£240 GBP
Retailer 2£324 GBP
Retailer 5£345 GBP
Retailer 4£611 GBP
MOH London£842 GBP

6 data points across 5 retailers

5 retailers£240 GBP to £842 GBP

B+
Cheapest Retailer
-
£240 GBP
$322 USD
A
Retailer 2
-
£324 GBP
View
A
Retailer 3
-
£345 GBP
$462 USD
View
B+
Retailer 4
-
£611 GBP
$819 USD
View
Most Expensive
B
MOH London
LG830621675 · Oct 26
£842 GBP
View
4 more retailers have this diamond
Prices start from £240 GBPSave up to £601 GBP

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
1.53ct Oval
£240 GBP