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Cushion|Natural|GIA

2.50ct D SI2 Cushion Natural Diamond

ID • D/SI2 • GIA 2554658974

Certificate GIA 2554658974

Diamond specifications and retailer prices

From $28,337 AUD
$19,905 USD
As of October 30, 2026
Save $20,739 AUD (42%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $49,076 AUD at MOH London · As of October 26, 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 D 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 2554658974. Listed at 13 retailers as of October 26, 2026, with prices from $28,337 to $49,076, a $20,739 spread on the same certified stone. MOH London lists it at $49,076. 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
D
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2554658974
Dimensions9.40 × 6.91 × 4.64 mm
L/W Ratio1.36
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cavity, Needle, Indented Natural
Top View
9.40 mm6.91 mm2.50 ctD / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2554658974
Side View
Table 63.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 67.3%

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 30
Current: $49,076 AUD|Low: $26,331 AUD|High: $49,647 AUD|Avg: $33,469 AUD|+0.8%
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
October 31, 2026
Retailer 4$26,331 AUD
Retailer 11$28,337 AUD
Retailer 3$28,352 AUD
Retailer 5$29,042 AUD
Retailer 14$29,668 AUD
Retailer 12$30,072 AUD
Retailer 8$31,380 AUD
Retailer 7$31,880 AUD
Retailer 10$32,694 AUD
Retailer 6$33,084 AUD
Retailer 13$33,536 AUD
Retailer 2$38,077 AUD
Retailer 9$42,650 AUD
MOH London$49,076 AUD

37 data points across 14 retailers

13 retailers$28,337 AUD to $49,076 AUD

Retailer 1
-
$26,331 AUD
HK$144,500 HKD
Price last confirmed 23 days ago
A
Retailer 2
-
$28,337 AUD
$19,905 USD
View
A
Retailer 3
-
$29,668 AUD
$20,840 USD
View
A
Retailer 4
-
$30,072 AUD
$21,124 USD
View
Final sale: no returns
A
Retailer 5
-
$31,380 AUD
$22,043 USD
View
A
Retailer 6
-
$31,880 AUD
£17,633 GBP
View
A
Retailer 7
-
$32,694 AUD
SGD 31,035 SGD
View
B+
Retailer 8
-
$33,084 AUD
$23,240 USD
View
B+
Retailer 9
-
$33,536 AUD
$23,557 USD
View
B+
Retailer 10
-
$35,957 AUD
View
B+
Retailer 11
-
$38,077 AUD
€25,473 EUR
View
B
Retailer 12
-
$42,650 AUD
£23,590 GBP
View
Most Expensive
B
MOH London
449DA8603 · Oct 26
$49,076 AUD
£27,144 GBP
View
12 more retailers have this diamond
Prices start from $28,337 AUDSave up to $20,739 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
$28,337 AUD