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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 $1,050 USD
As of November 4, 2026
Save $510 USD (33%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $1,560 USD at Jared · As of November 4, 2026
View at Jared

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 $1,050 to $1,560, a $510 spread on the same certified stone. Jared lists it at $1,560. 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
Color
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 4
Current: $1,560 USD|Low: $1,050 USD|High: $1,560 USD|Avg: $1,262 USD
Jared
Retailer 2
Retailer 3
April 27, 2026
Retailer 2$1,050 USD
Retailer 3$1,050 USD
Jared$1,560 USD

7 data points across 3 retailers

3 retailers$1,050 USD to $1,560 USD

B
Cheapest Retailer
-
$1,050 USD
B
Retailer 2
-
$1,050 USD
View
Most Expensive
B
Jared
154541400 · Nov 4
$1,560 USD
View
2 more retailers have this diamond
Prices start from $1,050 USDSave up to $510 USD

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
$1,050 USD