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Cushion|Lab Grown|IGI

1.43ct D SI1 Cushion Lab Grown Diamond

ID • D/SI1 • IGI LG462166997

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG462166997

Diamond specifications and retailer prices

From $2,999 NZD
$1,690 USD
As of October 27, 2026
4 retailers carry this diamond
Most expensive: $2,999 NZD at Do Amore Diamonds
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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG462166997 or 462166997. Listed at 4 retailers as of October 27, 2026. 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
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.7°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG462166997
Dimensions6.34 × 6.26 × 4.44 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.34 mm6.26 mm1.43 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG462166997
Side View
Table 59.5%Crown 34.7°Girdle: STK-VTKPavilion 39.2°Culet: NoneDepth 70.9%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 27
Current: $2,999 NZD|Low: $264 NZD|High: $2,999 NZD|Avg: $1,299 NZD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 25, 2026
Retailer 5$350 NZD
Retailer 4$688 NZD
Retailer 8$803 NZD
Retailer 9$965 NZD
Retailer 6$1,061 NZD
Retailer 7$1,411 NZD
Retailer 3$1,544 NZD
Retailer 2$2,001 NZD
Do Amore Diamonds$2,999 NZD

10 data points across 9 retailers

4 retailers

Retailer 1
-
$688 NZD
$388 USD
Price last confirmed 7 days ago
Retailer 2
-
$1,544 NZD
$870 USD
View
Price last confirmed 11 days ago
Retailer 3
-
$2,001 NZD
£888 GBP
View
Price last confirmed 7 days ago
Most Expensive
B
Do Amore Diamonds
27-CED8CC6D9 · Oct 27
$2,999 NZD
$1,690 USD
View
3 more retailers have this diamond

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 Cushion
$2,999 NZD