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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 £16,968 GBP
A$34,978 AUD
As of October 31, 2026
4 retailers carry this diamond
Most expensive: £24,565 GBP 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: £24,565 GBP|Low: £12,811 GBP|High: £24,565 GBP|Avg: £16,496 GBP|+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 6£12,811 GBP
Retailer 13£13,773 GBP
Retailer 15£14,130 GBP
Retailer 4£14,949 GBP
Retailer 8£14,955 GBP
Retailer 10£15,725 GBP
Retailer 3£15,801 GBP
Retailer 9£16,033 GBP
Retailer 16£16,088 GBP
Retailer 14£16,559 GBP
Retailer 7£16,968 GBP
Retailer 11£16,980 GBP
Retailer 5£18,415 GBP
Retailer 2£18,714 GBP
Retailer 12£20,890 GBP
MOH London£24,565 GBP

17 data points across 16 retailers

4 retailers

Retailer 1
-
£12,811 GBP
HK$134,100 HKD
Price last confirmed 33 days ago
Retailer 2
-
£14,949 GBP
$20,030 USD
View
Price last confirmed 31 days ago
B+
Retailer 3
-
£16,968 GBP
A$34,978 AUD
View
Most Expensive
MOH London
3CE27B6A0 · Oct 5
£24,565 GBP
View
Price last confirmed 25 days ago
3 more retailers have this diamond
Prices start from £16,968 GBP

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
£16,968 GBP