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Cushion|Lab Grown|IGI

1.31ct D IF Cushion Lab Grown Diamond

EX • D/IF • IGI LG841632427

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

Certificate IGI LG841632427

Diamond specifications and retailer prices

From $1,013 AUD
As of November 5, 2026
Save $1,944 AUD (66%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $2,957 AUD at Brilliant Earth · As of November 5, 2026
View at Brilliant Earth

About this 1.31ct lab-grown cushion diamond

This 1.31ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG841632427 or 841632427. Listed at 7 retailers as of November 5, 2026, with prices from $1,013 to $2,957, a $1,944 spread on the same certified stone. Brilliant Earth lists it at $2,957. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.31
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841632427
Dimensions6.54 × 6.40 × 4.13 mm
L/W Ratio1.02
Girdle conditionFaceted
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
6.54 mm6.40 mm1.31 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841632427
Side View
Table 63.0%Crown 32.6°Girdle: MED-STKPavilion 39.1°Culet: NoneDepth 64.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: $2,957 AUD|Low: $1,013 AUD|High: $2,957 AUD|Avg: $1,897 AUD|+1.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 7$1,013 AUD
Retailer 2$1,376 AUD
Retailer 6$1,964 AUD
Retailer 5$2,017 AUD
Retailer 3$2,464 AUD
Retailer 4$2,706 AUD
Brilliant Earth$2,957 AUD

9 data points across 7 retailers

7 retailers$1,013 AUD to $2,957 AUD

A
Cheapest Retailer
-
$1,013 AUD
A
Retailer 2
-
$1,376 AUD
View
Retailer 3
-
$1,964 AUD
View
Price last confirmed 14 days ago
B+
Retailer 4
-
$2,017 AUD
View
B
Retailer 5
-
$2,464 AUD
View
B
Retailer 6
-
$2,706 AUD
View
Most Expensive
B
Brilliant Earth
22472567Y · Nov 5
$2,957 AUD
$2,070 USD
View
6 more retailers have this diamond
Prices start from $1,013 AUDSave up to $1,944 AUD

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
1.31ct Cushion
$1,013 AUD