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Cushion|Lab Grown|IGI

1.39ct D IF Cushion Lab Grown Diamond

EX • D/IF • IGI LG849639789

Certificate IGI LG849639789

Diamond specifications and retailer prices

From $977 AUD
As of November 4, 2026
Save $26 AUD (3%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $1,003 AUD at Loose Grown Diamond · As of November 4, 2026
View at Loose Grown Diamond

About this 1.39ct lab-grown cushion diamond

This 1.39ct 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 LG849639789 or 849639789. Listed at 2 retailers as of November 4, 2026, with a relatively tight 3% spread, which is unusual at this carat range and suggests competitive pricing across the listings. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.39
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG849639789
Dimensions8.03 × 5.82 × 3.83 mm
L/W Ratio1.38
Top View
8.03 mm5.82 mm1.39 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG849639789
Side View
Table 60.0%CrownGirdle: MED-STKPavilionCuletDepth 65.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: $1,003 AUD|Low: $977 AUD|High: $1,003 AUD|Avg: $990 AUD
Loose Grown Diamond
Retailer 2
November 4, 2026
Retailer 2$977 AUD
Loose Grown Diamond$1,003 AUD

1 data point across 2 retailers

2 retailers$977 AUD to $1,003 AUD

A
Cheapest Retailer
-
$977 AUD
Most Expensive
A
Loose Grown Diamond
849639789 · Nov 4
$1,003 AUD
$702 USD
View
1 more retailer has this diamond
Prices start from $977 AUDSave up to $26 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
1.39ct Cushion
$977 AUD