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Round|Lab Grown|IGI

1.43ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG621481894

Shape and cutting style on the report: Round brilliant

Certificate IGI LG621481894

Diamond specifications and retailer prices

From $1,381 AUD
$970 USD
As of October 29, 2026
1 retailer carries this diamond
Only listing: $1,381 AUD at Brilliant Earth
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 Brilliant Earth

About this 1.43ct lab-grown round diamond

This 1.43ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG621481894 or 621481894. Listed at a single retailer as of October 29, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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

1.43
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG621481894
Dimensions7.27 × 7.24 × 4.44 mm
L/W Ratio1.00
Girdle conditionFaceted
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
7.27 mm7.24 mm1.43 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG621481894
Side View
Table 58.0%Crown 34.3°Girdle: MediumPavilion 41°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 29
Current: $1,381 AUD|Low: $927 AUD|High: $1,381 AUD|Avg: $1,179 AUD
Brilliant Earth
Retailer 2
December 30, 2025
Retailer 2$927 AUD
Brilliant Earth$1,381 AUD

5 data points across 2 retailers

1 retailer

B
Brilliant Earth
15281750Y · Oct 29
$1,381 AUD
$970 USD
View

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B
1.43ct Round
$1,381 AUD