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Cushion|Natural|GIA

2.50ct D SI2 Cushion Natural Diamond

EX • D/SI2 • GIA 2557703461

Certificate GIA 2557703461

Diamond specifications and retailer prices

From £11,784 GBP
₹1,503,747 INR
As of October 30, 2026
Save £9,269 GBP (44%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £21,053 GBP at MOH London · As of October 29, 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 2557703461. Listed at 14 retailers as of October 29, 2026, with prices from £11,784 to £21,053, a £9,269 spread on the same certified stone. MOH London lists it at £21,053. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2557703461
Dimensions8.78 × 6.74 × 4.67 mm
L/W Ratio1.30
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Knot, Feather, Needle, Indented Natural
Top View
8.78 mm6.74 mm2.50 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2557703461
Side View
Table 61.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 69.3%

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: £21,053 GBP|Low: £11,713 GBP|High: £21,568 GBP|Avg: £14,877 GBP|-2.1%
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
October 30, 2026
Retailer 2£11,784 GBP
Retailer 4£13,018 GBP
Retailer 3£13,606 GBP
Retailer 12£13,785 GBP
Retailer 10£13,865 GBP
Retailer 11£13,927 GBP
Retailer 7£13,955 GBP
Retailer 9£14,800 GBP
Retailer 6£15,047 GBP
Retailer 5£15,788 GBP
Retailer 8£16,244 GBP
Retailer 13£16,455 GBP
MOH London£21,053 GBP

30 data points across 13 retailers

14 retailers£11,784 GBP to £21,053 GBP

A
Cheapest Retailer
-
£11,784 GBP
₹1,503,747 INR
A
Retailer 2
-
£12,678 GBP
A$26,134 AUD
View
A
Retailer 3
-
£13,018 GBP
$17,443 USD
View
Final sale: no returns
A
Retailer 4
-
£13,606 GBP
$18,231 USD
View
A
Retailer 5
-
£13,785 GBP
$18,471 USD
View
A
Retailer 6
-
£13,865 GBP
$18,577 USD
View
A
Retailer 7
-
£13,927 GBP
$18,660 USD
View
A
Retailer 8
-
£13,955 GBP
View
A
Retailer 9
-
£14,800 GBP
$19,831 USD
View
A
Retailer 10
-
£15,047 GBP
View
A
Retailer 11
-
£15,788 GBP
$21,154 USD
View
A
Retailer 12
-
£16,244 GBP
€20,729 EUR
View
A
Retailer 13
-
£16,455 GBP
$22,048 USD
View
Most Expensive
B+
MOH London
CF18B60D9 · Oct 29
£21,053 GBP
View
13 more retailers have this diamond
Prices start from £11,784 GBPSave up to £9,269 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
£11,784 GBP