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Cushion|Natural|GIA

1.50ct F SI2 Cushion Natural Diamond

EX • F/SI2 • GIA 6542696853

Certificate GIA 6542696853

Diamond specifications and retailer prices

From $5,132 AUD
HK$28,100 HKD
As of November 2, 2026
Save $5,395 AUD (51%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $10,948 AUD at Wholesale Diamonds Direct · As of October 23, 2026
View at Wholesale Diamonds Direct

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 6542696853. Listed at 16 retailers as of November 1, 2026, with a 105% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Pavilion angle36.4°
OriginNatural
Grading LabGIA
CertificateGIA 6542696853
Dimensions7.17 × 6.12 × 4.20 mm
L/W Ratio1.17
Top View
7.17 mm6.12 mm1.50 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6542696853
Side View
Table 62.0%CrownGirdle: THK-VTKPavilion 36.4°Culet: NoneDepth 68.6%

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 2
Current: $6,125 AUD|Low: $5,059 AUD|High: $11,411 AUD|Avg: $7,014 AUD|+1.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Wholesale Diamonds Direct
November 2, 2026
Retailer 8$5,132 AUD
Retailer 2$5,168 AUD
Retailer 14$5,415 AUD
Retailer 12$5,608 AUD
Retailer 6$5,875 AUD
Retailer 5$5,890 AUD
Retailer 1$6,125 AUD
Retailer 11$6,159 AUD
Retailer 7$6,221 AUD
Retailer 9$6,318 AUD
Retailer 13$6,668 AUD
Retailer 4$6,821 AUD
Retailer 10$7,589 AUD
Retailer 3$10,527 AUD
Wholesale Diamonds Direct$10,948 AUD

24 data points across 15 retailers

16 retailers$5,132 AUD to $10,527 AUD

A
Cheapest Retailer
-
$5,132 AUD
HK$28,100 HKD
A
Retailer 2
-
$5,168 AUD
$3,622 USD
View
A
Retailer 3
-
$5,415 AUD
$3,795 USD
View
A
Retailer 4
-
$5,608 AUD
$3,930 USD
View
Final sale: no returns
A
Retailer 5
-
$5,875 AUD
$4,117 USD
View
A
Retailer 6
-
$5,890 AUD
$4,128 USD
View
A
Retailer 7
-
$6,125 AUD
View
A
Retailer 8
-
$6,159 AUD
$4,316 USD
View
A
Retailer 9
-
$6,221 AUD
$4,360 USD
View
A
Retailer 10
-
$6,318 AUD
£3,487 GBP
View
A
Retailer 11
-
$6,668 AUD
£3,680 GBP
View
A
Retailer 12
-
$6,821 AUD
$4,780 USD
View
A
Retailer 13
-
$7,270 AUD
View
A
Retailer 14
-
$7,589 AUD
€5,065 EUR
View
B
Retailer 15
-
$10,527 AUD
£5,809 GBP
View
Most Expensive
Wholesale Diamonds Direct
425853669 · Oct 23
$10,948 AUD
$7,673 USD
View
Price last confirmed 9 days ago
15 more retailers have this diamond
Prices start from $5,132 AUDSave up to $5,395 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
$5,132 AUD