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Cushion|Natural|GIA

1.50ct F SI1 Cushion Natural Diamond

ID • F/SI1 • GIA 6542285773

Certificate GIA 6542285773

Diamond specifications and retailer prices

From $5,942 AUD
As of November 6, 2026
Save $6,530 AUD (52%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $12,473 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6542285773. Listed at 16 retailers as of November 4, 2026, with prices from $5,942 to $12,473, a $6,530 spread on the same certified stone. MOH London lists it at $12,473. 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
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6542285773
Dimensions7.62 × 5.87 × 4.03 mm
L/W Ratio1.30
Top View
7.62 mm5.87 mm1.50 ctF / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 6542285773
Side View
Table 66.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 68.7%

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: $12,473 AUD|Low: $5,886 AUD|High: $12,750 AUD|Avg: $8,089 AUD|-1.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 7, 2026
Retailer 10$5,942 AUD
Retailer 6$6,318 AUD
Retailer 12$6,926 AUD
Retailer 9$7,049 AUD
Retailer 3$7,248 AUD
Retailer 13$7,564 AUD
Retailer 2$7,606 AUD
Retailer 11$7,852 AUD
Retailer 4$7,859 AUD
Retailer 5$7,973 AUD
Retailer 7$8,836 AUD
Retailer 8$9,581 AUD
MOH London$12,473 AUD

32 data points across 13 retailers

16 retailers$5,942 AUD to $12,473 AUD

A
Cheapest Retailer
-
$5,942 AUD
A
Retailer 2
-
$6,318 AUD
View
A
Retailer 3
-
$6,926 AUD
View
A
Retailer 4
-
$7,049 AUD
View
A
Retailer 5
-
$7,248 AUD
View
Final sale: no returns
A
Retailer 6
-
$7,289 AUD
View
A
Retailer 7
-
$7,292 AUD
View
Retailer 8
-
$7,564 AUD
View
Price last confirmed 11 days ago
A
Retailer 9
-
$7,606 AUD
View
Retailer 10
-
$7,852 AUD
View
Price last confirmed 9 days ago
B+
Retailer 11
-
$7,859 AUD
View
Retailer 12
-
$7,973 AUD
View
Price last confirmed 29 days ago
B+
Retailer 13
-
$8,029 AUD
View
B+
Retailer 14
-
$8,836 AUD
View
B+
Retailer 15
-
$9,581 AUD
View
Most Expensive
B
MOH London
D877EFE97 · Nov 4
$12,473 AUD
£6,748 GBP
View
15 more retailers have this diamond
Prices start from $5,942 AUDSave up to $6,530 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
$5,942 AUD