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Cushion|Natural|GIA

2.50ct I SI2 Cushion Natural Diamond

EX • I/SI2 • GIA 1288699504

Certificate GIA 1288699504

Diamond specifications and retailer prices

From $14,272 AUD
$10,025 USD
As of November 1, 2026
Save $9,955 AUD (41%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $24,227 AUD at MOH London · As of November 1, 2026
View at MOH London

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 1288699504. Listed at 10 retailers as of November 1, 2026, with prices from $14,272 to $24,227, a $9,955 spread on the same certified stone. MOH London lists it at $24,227. 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
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1288699504
Dimensions7.64 × 7.39 × 4.99 mm
L/W Ratio1.03
Top View
7.64 mm7.39 mm2.50 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1288699504
Side View
Table 62.0%CrownGirdle: ThickPavilionCulet: NoneDepth 67.5%

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 1
Current: $24,227 AUD|Low: $14,272 AUD|High: $24,518 AUD|Avg: $17,875 AUD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 5$14,272 AUD
Retailer 4$14,393 AUD
Retailer 8$14,529 AUD
Retailer 6$15,513 AUD
Retailer 2$16,770 AUD
Retailer 7$17,683 AUD
Retailer 3$19,547 AUD
Retailer 9$20,406 AUD
Retailer 10$20,813 AUD
MOH London$24,227 AUD

29 data points across 10 retailers

10 retailers$14,272 AUD to $24,227 AUD

A
Cheapest Retailer
-
$14,272 AUD
$10,025 USD
A
Retailer 2
-
$14,393 AUD
$10,110 USD
View
A
Retailer 3
-
$14,529 AUD
$10,206 USD
View
Retailer 4
-
$15,513 AUD
$10,897 USD
View
Price last confirmed 17 days ago
A
Retailer 5
-
$16,770 AUD
£9,275 GBP
View
A
Retailer 6
-
$17,683 AUD
$12,421 USD
View
A
Retailer 7
-
$18,606 AUD
$13,070 USD
View
A
Retailer 8
-
$19,547 AUD
€13,077 EUR
View
Retailer 9
-
$20,406 AUD
$14,334 USD
View
Price last confirmed 18 days ago
Most Expensive
A
MOH London
A4FB21BDB · Nov 1
$24,227 AUD
£13,400 GBP
View
9 more retailers have this diamond
Prices start from $14,272 AUDSave up to $9,955 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
$14,272 AUD