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Cushion|Natural|GIA

2.50ct I SI2 Cushion Natural Diamond

EX • I/SI2 • GIA 1558982299

Certificate GIA 1558982299

Diamond specifications and retailer prices

From $21,980 AUD
$15,440 USD
As of November 1, 2026
Save $16,983 AUD (44%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $38,964 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 1558982299. Listed at 15 retailers as of November 1, 2026, with prices from $21,980 to $38,964, a $16,983 spread on the same certified stone. MOH London lists it at $38,964. 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
Crown angle31.78°
OriginNatural
Grading LabGIA
CertificateGIA 1558982299
Dimensions9.14 × 7.33 × 5.12 mm
L/W Ratio1.25
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
9.14 mm7.33 mm2.50 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1558982299
Side View
Table 67.0%Crown 31.78°Girdle: MED-VTKPavilionCulet: NoneDepth 69.9%

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 1
Current: $38,964 AUD|Low: $21,439 AUD|High: $39,209 AUD|Avg: $26,596 AUD|+6.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 1, 2026
Retailer 12$21,980 AUD
Retailer 5$22,686 AUD
Retailer 13$22,936 AUD
Retailer 6$23,909 AUD
Retailer 4$24,494 AUD
Retailer 15$24,656 AUD
Retailer 16$24,949 AUD
Retailer 7$25,386 AUD
Retailer 9$25,961 AUD
Retailer 3$26,651 AUD
Retailer 11$27,413 AUD
Retailer 8$28,267 AUD
Retailer 2$29,102 AUD
Retailer 10$30,274 AUD
Retailer 14$30,576 AUD
MOH London$38,964 AUD

29 data points across 16 retailers

15 retailers$21,980 AUD to $38,964 AUD

A
Cheapest Retailer
-
$21,980 AUD
$15,440 USD
A
Retailer 2
-
$22,686 AUD
$15,936 USD
View
A
Retailer 3
-
$22,936 AUD
$16,111 USD
View
A
Retailer 4
-
$23,909 AUD
$16,795 USD
View
Final sale: no returns
A
Retailer 5
-
$24,494 AUD
$17,206 USD
View
A
Retailer 6
-
$24,656 AUD
CA$24,055 CAD
View
B+
Retailer 7
-
$24,949 AUD
$17,525 USD
View
B+
Retailer 8
-
$25,386 AUD
$17,832 USD
View
B+
Retailer 9
-
$25,961 AUD
£14,359 GBP
View
B+
Retailer 10
-
$26,651 AUD
$18,721 USD
View
B+
Retailer 11
-
$27,413 AUD
$19,256 USD
View
B+
Retailer 12
-
$29,102 AUD
£16,096 GBP
View
B+
Retailer 13
-
$30,274 AUD
€20,253 EUR
View
B+
Retailer 14
-
$30,576 AUD
$21,478 USD
View
Most Expensive
B
MOH London
B32E96BEB · Nov 1
$38,964 AUD
£21,551 GBP
View
14 more retailers have this diamond
Prices start from $21,980 AUDSave up to $16,983 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
$21,980 AUD