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Cushion|Natural|GIA

1.00ct F SI2 Cushion Natural Diamond

EX • F/SI2 • GIA 2557145738

Certificate GIA 2557145738

Diamond specifications and retailer prices

From $1,693 AUD
As of November 6, 2026
Save $481 AUD (22%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $2,174 AUD at GemTrove · As of November 7, 2026
View at GemTrove

About this 1ct natural cushion diamond

This 1ct natural cushion sits in the classic one-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 2557145738. Listed at 6 retailers as of November 6, 2026, with prices from $1,693 to $2,174, a $481 spread on the same certified stone. GemTrove lists it at $2,174. 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

1.00
Carat
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2557145738
Dimensions5.58 × 5.45 × 3.69 mm
L/W Ratio1.02
Top View
5.58 mm5.45 mm1.00 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2557145738
Side View
Table 63.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 67.8%

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 6
Current: $2,174 AUD|Low: $1,512 AUD|High: $2,174 AUD|Avg: $1,874 AUD
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 7, 2026
Retailer 3$1,693 AUD
Retailer 6$1,694 AUD
Retailer 4$1,767 AUD
Retailer 2$1,869 AUD
Retailer 5$1,936 AUD
GemTrove$2,174 AUD

41 data points across 6 retailers

6 retailers$1,693 AUD to $2,174 AUD

A
Cheapest Retailer
-
$1,693 AUD
Final sale: no returns
A
Retailer 2
-
$1,694 AUD
View
A
Retailer 3
-
$1,767 AUD
View
A
Retailer 4
-
$1,869 AUD
View
A
Retailer 5
-
$1,936 AUD
View
Most Expensive
A
GemTrove
GT-N-00976594-98 · Nov 7
$2,174 AUD
View
5 more retailers have this diamond
Prices start from $1,693 AUDSave up to $481 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
1.00ct Cushion
$1,693 AUD