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Cushion|Natural|GIA

2.50ct I SI2 Cushion Natural Diamond

EX • I/SI2 • GIA 6542873144

Certificate GIA 6542873144

Diamond specifications and retailer prices

From $23,596 AUD
$16,575 USD
As of October 31, 2026
Save $6,428 AUD (21%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $30,024 AUD at Jared · As of October 30, 2026
View at Jared

About this 2.5ct natural cushion diamond

This 2.5ct natural cushion sits in the two to three carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6542873144. Listed at 9 retailers as of October 30, 2026, with prices from $23,596 to $30,024, a $6,428 spread on the same certified stone. Jared lists it at $30,024. 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

2.50
Carat
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6542873144
Dimensions9.23 × 7.11 × 4.75 mm
L/W Ratio1.30
Top View
9.23 mm7.11 mm2.50 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6542873144
Side View
Table 63.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 66.8%

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: Oct 31
Current: $30,024 AUD|Low: $23,596 AUD|High: $34,086 AUD|Avg: $28,347 AUD|-5.9%
Jared
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 26, 2026
Retailer 8$23,596 AUD
Retailer 3$23,609 AUD
Retailer 4$24,806 AUD
Retailer 5$25,215 AUD
Retailer 7$28,165 AUD
Retailer 2$29,056 AUD
Retailer 6$29,056 AUD
Jared$30,024 AUD
Retailer 9$34,086 AUD

10 data points across 9 retailers

9 retailers$23,596 AUD to $30,024 AUD

A
Cheapest Retailer
-
$23,596 AUD
$16,575 USD
A
Retailer 2
-
$23,609 AUD
$16,584 USD
View
A
Retailer 3
-
$24,806 AUD
$17,425 USD
View
B+
Retailer 4
-
$25,164 AUD
View
B+
Retailer 5
-
$25,215 AUD
$17,712 USD
View
B+
Retailer 6
-
$28,165 AUD
$19,784 USD
View
B+
Retailer 7
-
$29,056 AUD
$20,410 USD
View
B+
Retailer 8
-
$29,056 AUD
$20,410 USD
View
Most Expensive
B+
Jared
158632854 · Oct 30
$30,024 AUD
$21,090 USD
View
8 more retailers have this diamond
Prices start from $23,596 AUDSave up to $6,428 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
2.50ct Cushion
$23,596 AUD