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0.91ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG532237952

Shape and cutting style on the report: Round brilliant

Certificate IGI LG532237952

Diamond specifications and retailer prices

From $859 AUD
£475 GBP
As of October 28, 2026
2 retailers carry this diamond
Only listing: $859 AUD 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 0.91ct lab-grown round diamond

This 0.91ct lab-grown round sits in the just-under-one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG532237952 or 532237952. Listed at 2 retailers as of October 28, 2026. 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
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG532237952
Dimensions6.25 × 6.22 × 3.82 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.25 mm6.22 mm0.91 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG532237952
Side View
Table 58.0%Crown 34.9°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.2%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 28
Current: $859 AUD|Low: $135 AUD|High: $10,339 AUD|Avg: $1,688 AUD
Diamond Quarter
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
June 26, 2026
Retailer 7$237 AUD
Retailer 2$296 AUD
Retailer 4$414 AUD
Retailer 3$575 AUD
Retailer 5$581 AUD
Retailer 8$612 AUD
Retailer 6$704 AUD
Diamond Quarter$859 AUD
Retailer 9$10,339 AUD

71 data points across 9 retailers

2 retailers

B
Diamond Quarter
0.91SI1ELG34E62BN · Oct 28
$859 AUD
£475 GBP
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B
0.91ct Round
$859 AUD