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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 £14,856 GBP
$19,905 USD
As of October 30, 2026
Save £10,872 GBP (42%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £25,728 GBP 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 £14,856 to £25,728, a £10,872 spread on the same certified stone. MOH London lists it at £25,728. 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: £25,728 GBP|Low: £13,804 GBP|High: £26,028 GBP|Avg: £17,545 GBP|+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 30, 2026
Retailer 4£13,804 GBP
Retailer 11£14,856 GBP
Retailer 3£14,864 GBP
Retailer 5£15,225 GBP
Retailer 14£15,554 GBP
Retailer 12£15,765 GBP
Retailer 8£16,451 GBP
Retailer 2£16,713 GBP
Retailer 10£17,140 GBP
Retailer 6£17,345 GBP
Retailer 13£17,581 GBP
Retailer 7£19,853 GBP
Retailer 9£22,360 GBP
MOH London£25,728 GBP

36 data points across 14 retailers

13 retailers£14,856 GBP to £25,728 GBP

Retailer 1
-
£13,804 GBP
HK$144,500 HKD
Price last confirmed 22 days ago
A
Retailer 2
-
£14,856 GBP
$19,905 USD
View
A
Retailer 3
-
£15,554 GBP
$20,840 USD
View
A
Retailer 4
-
£15,765 GBP
$21,124 USD
View
Final sale: no returns
A
Retailer 5
-
£16,451 GBP
$22,043 USD
View
A
Retailer 6
-
£16,713 GBP
View
A
Retailer 7
-
£17,140 GBP
SGD 31,035 SGD
View
B+
Retailer 8
-
£17,345 GBP
$23,240 USD
View
B+
Retailer 9
-
£17,581 GBP
$23,557 USD
View
B+
Retailer 10
-
£18,851 GBP
A$38,858 AUD
View
B+
Retailer 11
-
£19,853 GBP
€25,334 EUR
View
B
Retailer 12
-
£22,360 GBP
View
Most Expensive
B
MOH London
449DA8603 · Oct 26
£25,728 GBP
View
12 more retailers have this diamond
Prices start from £14,856 GBPSave up to £10,872 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.

A
2.50ct Cushion
£14,856 GBP