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Cushion|Natural|GIA

1.05ct F SI1 Cushion Natural Diamond

ID • F/SI1 • GIA 7558431600

Shape and cutting style on the report: Old miner

Certificate GIA 7558431600

Diamond specifications and retailer prices

From $3,248 AUD
$2,276 USD
As of November 2, 2026
Save $1,144 AUD (26%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $4,391 AUD at Yorxs · As of November 2, 2026
View at Yorxs

About this 1.05ct natural cushion diamond

This 1.05ct 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 7558431600. Listed at 5 retailers as of November 2, 2026, with prices from $3,248 to $4,391, a $1,144 spread on the same certified stone. Yorxs lists it at $4,391. 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

1.05
Carat
F
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7558431600
Dimensions6.93 × 5.04 × 3.58 mm
L/W Ratio1.38
Girdle conditionFaceted
Top View
6.93 mm5.04 mm1.05 ctF / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7558431600
Side View
Table 56.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 70.9%

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: $4,067 AUD|Low: $3,248 AUD|High: $4,546 AUD|Avg: $3,850 AUD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Yorxs
November 2, 2026
Retailer 2$3,248 AUD
Retailer 4$3,612 AUD
Retailer 3$3,622 AUD
Retailer 1$4,067 AUD
Yorxs$4,391 AUD

18 data points across 5 retailers

5 retailers$3,248 AUD to $4,391 AUD

A
Cheapest Retailer
-
$3,248 AUD
$2,276 USD
Final sale: no returns
Retailer 2
-
$3,612 AUD
SGD 3,421 SGD
View
Price last confirmed 10 days ago
B+
Retailer 3
-
$3,622 AUD
$2,538 USD
View
B+
Retailer 4
-
$4,067 AUD
$2,850 USD
View
Most Expensive
B
Yorxs
4E48682A7 · Nov 2
$4,391 AUD
€2,931 EUR
View
4 more retailers have this diamond
Prices start from $3,248 AUDSave up to $1,144 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
1.05ct Cushion
$3,248 AUD