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Cushion|Natural|GIA

1.50ct K SI2 Cushion Natural Diamond

EX • K/SI2 • GIA 5546944374

Certificate GIA 5546944374

Diamond specifications and retailer prices

From $2,410 AUD
As of November 5, 2026
Save $738 AUD (23%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $3,148 AUD at GemTrove · As of November 6, 2026
View at GemTrove

About this 1.5ct natural cushion diamond

This 1.5ct natural cushion sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5546944374. Listed at 6 retailers as of November 6, 2026, with prices from $2,410 to $3,148, a $738 spread on the same certified stone. GemTrove lists it at $3,148. 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

1.50
Carat
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5546944374
Dimensions6.36 × 6.08 × 4.31 mm
L/W Ratio1.05
Top View
6.36 mm6.08 mm1.50 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5546944374
Side View
Table 60.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 70.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: $3,148 AUD|Low: $2,147 AUD|High: $3,148 AUD|Avg: $2,671 AUD
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 3$2,410 AUD
Retailer 4$2,410 AUD
Retailer 6$2,429 AUD
Retailer 2$2,637 AUD
Retailer 5$2,787 AUD
GemTrove$3,148 AUD

41 data points across 6 retailers

6 retailers$2,410 AUD to $3,148 AUD

A
Cheapest Retailer
-
$2,410 AUD
A
Retailer 2
-
$2,410 AUD
View
Final sale: no returns
A
Retailer 3
-
$2,429 AUD
View
A
Retailer 4
-
$2,637 AUD
View
A
Retailer 5
-
$2,787 AUD
View
Most Expensive
B+
GemTrove
GT-N-00963678-98 · Nov 6
$3,148 AUD
View
5 more retailers have this diamond
Prices start from $2,410 AUDSave up to $738 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
1.50ct Cushion
$2,410 AUD