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Cushion|Natural|GIA

1.03ct F SI1 Cushion Natural Diamond

EX • F/SI1 • GIA 5553143086

Certificate GIA 5553143086

Diamond specifications and retailer prices

From $3,133 AUD
As of November 4, 2026
Save $2,783 AUD (47%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $5,917 AUD at MOH London · As of November 7, 2026
View at MOH London

About this 1.03ct natural cushion diamond

This 1.03ct natural cushion sits in the classic one-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 5553143086. Listed at 8 retailers as of November 4, 2026, with prices from $3,133 to $5,917, a $2,783 spread on the same certified stone. MOH London lists it at $5,917. 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

1.03
Carat
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5553143086
Dimensions6.70 × 5.18 × 3.51 mm
L/W Ratio1.29
Top View
6.70 mm5.18 mm1.03 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5553143086
Side View
Table 60.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 67.9%

Caratlytics Score

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

Price History

Last verified: Nov 4
Current: $5,917 AUD|Low: $2,872 AUD|High: $6,020 AUD|Avg: $4,059 AUD|-0.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 7, 2026
Retailer 7$3,133 AUD
Retailer 6$3,267 AUD
Retailer 5$3,395 AUD
Retailer 2$3,689 AUD
Retailer 4$4,144 AUD
Retailer 8$4,180 AUD
Retailer 3$4,213 AUD
MOH London$5,917 AUD

46 data points across 8 retailers

8 retailers$3,133 AUD to $5,917 AUD

A
Cheapest Retailer
-
$3,133 AUD
Final sale: no returns
A
Retailer 2
-
$3,267 AUD
View
Retailer 3
-
$3,395 AUD
View
Price last confirmed 9 days ago
B+
Retailer 4
-
$3,689 AUD
View
B+
Retailer 5
-
$4,144 AUD
View
Retailer 6
-
$4,180 AUD
View
Price last confirmed 31 days ago
B+
Retailer 7
-
$4,213 AUD
View
Most Expensive
B
MOH London
89DDFBC45 · Nov 7
$5,917 AUD
£3,201 GBP
View
7 more retailers have this diamond
Prices start from $3,133 AUDSave up to $2,783 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
1.03ct Cushion
$3,133 AUD