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Cushion|Natural|GIA

1.50ct F SI2 Cushion Natural Diamond

EX • F/SI2 • GIA 6545982320

Certificate GIA 6545982320

Diamond specifications and retailer prices

From $5,271 AUD
As of November 6, 2026
Save $5,911 AUD (53%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $11,183 AUD at MOH London · As of November 4, 2026
View at MOH London

About this 1.5ct natural cushion diamond

This 1.5ct natural cushion sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6545982320. Listed at 7 retailers as of November 4, 2026, with prices from $5,271 to $11,183, a $5,911 spread on the same certified stone. MOH London lists it at $11,183. 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
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6545982320
Dimensions8.22 × 5.84 × 3.94 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal, Needle
Top View
8.22 mm5.84 mm1.50 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6545982320
Side View
Table 65.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 67.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $11,183 AUD|Low: $5,271 AUD|High: $11,347 AUD|Avg: $7,299 AUD|-1.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 7, 2026
Retailer 3$5,271 AUD
Retailer 6$5,580 AUD
Retailer 5$6,228 AUD
Retailer 2$6,950 AUD
Retailer 4$7,923 AUD
MOH London$11,183 AUD

42 data points across 6 retailers

7 retailers$5,271 AUD to $11,183 AUD

A
Cheapest Retailer
-
$5,271 AUD
A
Retailer 2
-
$5,580 AUD
View
Final sale: no returns
A
Retailer 3
-
$5,800 AUD
View
A
Retailer 4
-
$6,228 AUD
View
A
Retailer 5
-
$6,950 AUD
View
B+
Retailer 6
-
$7,923 AUD
View
Most Expensive
B+
MOH London
F5536F225 · Nov 4
$11,183 AUD
£6,050 GBP
View
6 more retailers have this diamond
Prices start from $5,271 AUDSave up to $5,911 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
$5,271 AUD