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Cushion|Lab Grown|IGI

1.56ct F SI1 Cushion Lab Grown Diamond

ID • F/SI1 • IGI LG620486040

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG620486040

Diamond specifications and retailer prices

From $2,625 AUD
$1,840 USD
As of October 27, 2026
4 retailers carry this diamond
Most expensive: $2,625 AUD at Do Amore Diamonds
View at Do Amore Diamonds

About this 1.56ct lab-grown cushion diamond

This 1.56ct lab-grown cushion sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG620486040 or 620486040. 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

1.56
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620486040
Dimensions8.52 × 5.90 × 3.92 mm
L/W Ratio1.44
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
8.52 mm5.90 mm1.56 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620486040
Side View
Table 58.0%Crown 35.2°Girdle: THN-STKPavilion 34.2°Culet: NoneDepth 66.4%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 27
Current: $2,625 AUD|Low: $320 AUD|High: $2,740 AUD|Avg: $1,151 AUD|-4.2%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 25, 2026
Retailer 6$320 AUD
Retailer 5$592 AUD
Retailer 10$659 AUD
Retailer 11$795 AUD
Retailer 3$937 AUD
Retailer 7$940 AUD
Retailer 8$1,123 AUD
Retailer 4$1,177 AUD
Retailer 2$1,504 AUD
Retailer 9$1,826 AUD
Do Amore Diamonds$2,625 AUD

14 data points across 11 retailers

4 retailers

Retailer 1
-
$592 AUD
$415 USD
Price last confirmed 8 days ago
Retailer 2
-
$1,177 AUD
$825 USD
View
Price last confirmed 12 days ago
B+
Retailer 3
-
$1,504 AUD
£830 GBP
View
Price last confirmed 7 days ago
Most Expensive
B
Do Amore Diamonds
27-EB8D916EC · Oct 27
$2,625 AUD
$1,840 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+
1.56ct Cushion
$2,625 AUD