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Cushion|Natural|GIA

2.54ct F SI2 Cushion Natural Diamond

EX • F/SI2 • GIA 5553197038

Certificate GIA 5553197038

Diamond specifications and retailer prices

From $24,068 AUD
£13,312 GBP
As of November 2, 2026
Save $4,720 AUD (16%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $28,788 AUD at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 2.54ct natural cushion diamond

This 2.54ct natural cushion sits in the two to three 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 5553197038. Listed at 2 retailers as of October 31, 2026, with prices from $24,068 to $28,788, a $4,720 spread on the same certified stone. Blue Nile lists it at $28,788. 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

2.54
Carat
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle55.9°
OriginNatural
Grading LabGIA
CertificateGIA 5553197038
Dimensions9.34 × 7.17 × 4.86 mm
L/W Ratio1.30
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal
Top View
9.34 mm7.17 mm2.54 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5553197038
Side View
Table 63.0%Crown 35.3°Girdle: STK-VTKPavilion 55.9°Culet: NoneDepth 67.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: $28,788 AUD|Low: $23,868 AUD|High: $30,573 AUD|Avg: $27,302 AUD|-5.8%
Blue Nile
Retailer 2
November 2, 2026
Retailer 2$24,068 AUD
Blue Nile$28,788 AUD

39 data points across 2 retailers

2 retailers$24,068 AUD to $28,788 AUD

A
Cheapest Retailer
-
$24,068 AUD
£13,312 GBP
Most Expensive
B+
Blue Nile
29259805 · Oct 31
$28,788 AUD
$20,222 USD
View
1 more retailer has this diamond
Prices start from $24,068 AUDSave up to $4,720 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
2.54ct Cushion
$24,068 AUD