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Round|Lab Grown|IGI

0.91ct J SI2 Round Lab Grown Diamond

ID • J/SI2 • IGI LG538270915

Shape and cutting style on the report: Round brilliant

Certificate IGI LG538270915

Diamond specifications and retailer prices

From £215 GBP
$288 USD
As of October 30, 2026
Save £814 GBP (79%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £1,029 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 0.91ct lab-grown round diamond

This 0.91ct lab-grown round sits in the just-under-one-carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG538270915 or 538270915. Listed at 4 retailers as of October 29, 2026, with prices from £215 to £1,029, a £814 spread on the same certified stone. MOH London lists it at £1,029. 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

0.91
Carat
J
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG538270915
Dimensions6.26 × 6.23 × 3.86 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.26 mm6.23 mm0.91 ctJ / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG538270915
Side View
Table 56.0%Crown 34.7°Girdle: MediumPavilion 41.2°Culet: NoneDepth 61.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £1,029 GBP|Low: £196 GBP|High: £1,036 GBP|Avg: £397 GBP|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 29, 2026
Retailer 3£215 GBP
Retailer 2£246 GBP
Retailer 5£255 GBP
Retailer 4£293 GBP
MOH London£1,029 GBP

12 data points across 5 retailers

4 retailers£215 GBP to £1,029 GBP

A
Cheapest Retailer
-
£215 GBP
$288 USD
A
Retailer 2
-
£246 GBP
$330 USD
View
A
Retailer 3
-
£293 GBP
$393 USD
View
Most Expensive
B
MOH London
LG538270915 · Oct 29
£1,029 GBP
View
3 more retailers have this diamond
Prices start from £215 GBPSave up to £814 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
0.91ct Round
£215 GBP