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Round|Lab Grown|IGI

1.43ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG660459591

Certificate IGI LG660459591

Diamond specifications and retailer prices

From $2,012 NZD
$1,130 USD
As of October 30, 2026
Save $837 NZD (29%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $2,849 NZD at Jared · As of October 30, 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG660459591 or 660459591. Listed at 3 retailers as of October 30, 2026, with prices from $2,012 to $2,849, a $837 spread on the same certified stone. Jared lists it at $2,849. 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
OriginLab Grown
Grading LabIGI
CertificateIGI LG660459591
Dimensions7.18 × 7.21 mm
L/W Ratio1.00
Top View
7.18 mm7.21 mm1.43 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG660459591
Side View
Table 58.0%CrownGirdle: MediumPavilionCulet: NoneDepth 61.6%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 30
Current: $2,849 NZD|Low: $2,012 NZD|High: $2,849 NZD|Avg: $2,426 NZD
Jared
Retailer 2
Retailer 3
February 26, 2026
Retailer 2$2,012 NZD
Retailer 3$2,012 NZD
Jared$2,849 NZD

5 data points across 3 retailers

3 retailers$2,012 NZD to $2,849 NZD

B
Cheapest Retailer
-
$2,012 NZD
$1,130 USD
B
Retailer 2
-
$2,012 NZD
$1,130 USD
View
Most Expensive
B
Jared
154699736 · Oct 30
$2,849 NZD
$1,600 USD
View
2 more retailers have this diamond
Prices start from $2,012 NZDSave up to $837 NZD

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
$2,012 NZD