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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 $188 USD
As of November 6, 2026
Save $1,422 USD (88%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,610 USD 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 $188 to $1,610, a $1,422 spread on the same certified stone. Do Amore Diamonds lists it at $1,610. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $1,610 USD|Low: $188 USD|High: $1,710 USD|Avg: $828 USD|-5.8%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 5, 2026
Retailer 5$188 USD
Retailer 3$366 USD
Retailer 2$741 USD
Retailer 6$880 USD
Retailer 4$1,075 USD
Do Amore Diamonds$1,610 USD

15 data points across 6 retailers

6 retailers$188 USD to $1,610 USD

A
Cheapest Retailer
-
$188 USD
Final sale: no returns
B+
Retailer 2
-
$366 USD
View
B+
Retailer 3
-
$741 USD
View
B
Retailer 4
-
$880 USD
View
B
Retailer 5
-
$1,075 USD
View
Most Expensive
B
Do Amore Diamonds
27-CC45238AD · Nov 2
$1,610 USD
View
5 more retailers have this diamond
Prices start from $188 USDSave up to $1,422 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.

A
1.43ct Cushion
$188 USD