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Cushion|Lab Grown|IGI

1.43ct F SI1 Cushion Lab Grown Diamond

ID • F/SI1 • IGI LG596337026

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG596337026

Diamond specifications and retailer prices

From $339 NZD
As of November 6, 2026
Save $2,565 NZD (88%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $2,904 NZD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.43ct lab-grown cushion diamond

This 1.43ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG596337026 or 596337026. Listed at 6 retailers as of November 2, 2026, with prices from $339 to $2,904, a $2,565 spread on the same certified stone. Do Amore Diamonds lists it at $2,904. 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
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG596337026
Dimensions8.31 × 5.68 × 3.79 mm
L/W Ratio1.46
Girdle conditionFaceted
Culet sizePointed
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
8.31 mm5.68 mm1.43 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG596337026
Side View
Table 63.0%Crown 34.1°Girdle: STK-THKPavilion 34.9°Culet: NoneDepth 66.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $2,904 NZD|Low: $339 NZD|High: $3,085 NZD|Avg: $1,494 NZD|-5.8%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 5, 2026
Retailer 5$339 NZD
Retailer 3$660 NZD
Retailer 2$1,337 NZD
Retailer 6$1,587 NZD
Retailer 4$1,939 NZD
Do Amore Diamonds$2,904 NZD

15 data points across 6 retailers

6 retailers$339 NZD to $2,904 NZD

A
Cheapest Retailer
-
$339 NZD
Final sale: no returns
B+
Retailer 2
-
$660 NZD
View
B+
Retailer 3
-
$1,337 NZD
View
B
Retailer 4
-
$1,587 NZD
View
B
Retailer 5
-
$1,939 NZD
View
Most Expensive
B
Do Amore Diamonds
27-CC45238AD · Nov 2
$2,904 NZD
$1,610 USD
View
5 more retailers have this diamond
Prices start from $339 NZDSave up to $2,565 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.

A
1.43ct Cushion
$339 NZD