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Emerald|Lab Grown|IGI

0.71ct J SI1 Emerald Lab Grown Diamond

ID • J/SI1 • IGI LG389990170

Shape and cutting style on the report: Emerald cut

Certificate IGI LG389990170

Diamond specifications and retailer prices

From $612 AUD
$430 USD
As of October 30, 2026
1 retailer carries this diamond
Only listing: $612 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 0.71ct lab-grown emerald diamond

This 0.71ct lab-grown emerald sits in the half to three-quarter carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG389990170 or 389990170. Listed at a single retailer as of October 30, 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

0.71
Carat
J
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG389990170
Dimensions6.03 × 4.21 × 2.82 mm
L/W Ratio1.43
Culet sizeLarge
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD) and is type IIa
Top View
6.03 mm4.21 mm0.71 ctJ / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG389990170
Side View
Table 63.0%CrownGirdle: MediumPavilionCulet: NoneDepth 67.0%

Caratlytics Score

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

Last verified: Oct 30
Current: $612 AUD|Low: $612 AUD|High: $698 AUD|Avg: $655 AUD|-12.2%
October 30, 2026
Brilliant Earth$612 AUD

2 data points across 1 retailer

1 retailer

B+
Brilliant Earth
19767248A · Oct 30
$612 AUD
$430 USD
View

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B+
0.71ct Emerald
$612 AUD