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Round|Lab Grown|IGI

1.43ct G SI2 Round Lab Grown Diamond

ID • G/SI2 • IGI LG660459309

Certificate IGI LG660459309

Diamond specifications and retailer prices

From $1,089 AUD
As of November 6, 2026
Save $411 AUD (27%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $1,500 AUD at Zales · As of November 4, 2026
View at Zales

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 G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG660459309 or 660459309. Listed at 3 retailers as of November 4, 2026, with prices from $1,089 to $1,500, a $411 spread on the same certified stone. Zales lists it at $1,500. 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
G
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG660459309
Dimensions7.20 × 7.25 mm
L/W Ratio1.01
Top View
7.20 mm7.25 mm1.43 ctG / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG660459309
Side View
Table 56.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.0%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 6
Current: $1,089 AUD|Low: $1,089 AUD|High: $2,228 AUD|Avg: $1,740 AUD|-51.2%
Retailer 1
Retailer 2
Zales
November 6, 2026
Retailer 1$1,089 AUD
Retailer 2$1,500 AUD
Zales$1,500 AUD

8 data points across 3 retailers

3 retailers$1,089 AUD to $1,500 AUD

B
Cheapest Retailer
-
$1,089 AUD
B
Retailer 2
-
$1,500 AUD
View
Most Expensive
B
Zales
523931832 · Nov 4
$1,500 AUD
$1,050 USD
View
2 more retailers have this diamond
Prices start from $1,089 AUDSave up to $411 AUD

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.

B
1.43ct Round
$1,089 AUD