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Cushion|Natural|GIA

2.50ct D SI2 Cushion Natural Diamond

ID • D/SI2 • GIA 2554380165

Certificate GIA 2554380165

Diamond specifications and retailer prices

From HK$178,377 HKD
A$34,978 AUD
As of October 31, 2026
4 retailers carry this diamond
Most expensive: HK$258,238 HKD at MOH London · As of October 5, 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 2554380165. Listed at 4 retailers as of October 31, 2026. 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 2554380165
Dimensions9.13 × 6.68 × 4.59 mm
L/W Ratio1.37
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal, Needle, Knot, Cavity
Top View
9.13 mm6.68 mm2.50 ctD / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2554380165
Side View
Table 64.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 68.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: HK$258,238 HKD|Low: HK$134,670 HKD|High: HK$258,238 HKD|Avg: HK$173,639 HKD|+4.7%
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
October 6, 2026
Retailer 6HK$134,670 HKD
Retailer 13HK$144,790 HKD
Retailer 15HK$148,536 HKD
Retailer 4HK$157,149 HKD
Retailer 8HK$157,212 HKD
Retailer 10HK$165,309 HKD
Retailer 3HK$166,104 HKD
Retailer 9HK$168,546 HKD
Retailer 16HK$169,122 HKD
Retailer 14HK$174,073 HKD
Retailer 7HK$178,377 HKD
Retailer 11HK$178,498 HKD
Retailer 5HK$193,590 HKD
Retailer 2HK$196,731 HKD
Retailer 12HK$219,607 HKD
MOH LondonHK$258,238 HKD

16 data points across 16 retailers

4 retailers

Retailer 1
-
HK$134,670 HKD
Price last confirmed 34 days ago
Retailer 2
-
HK$157,149 HKD
$20,030 USD
View
Price last confirmed 32 days ago
B+
Retailer 3
-
HK$178,377 HKD
A$34,978 AUD
View
Most Expensive
MOH London
3CE27B6A0 · Oct 5
HK$258,238 HKD
£25,917 GBP
View
Price last confirmed 26 days ago
3 more retailers have this diamond
Prices start from HK$178,377 HKD

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.

B+
2.50ct Cushion
HK$178,377 HKD