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Cushion|Natural|GIA

2.51ct I SI2 Cushion Natural Diamond

VG • I/SI2 • GIA 7558789813

Certificate GIA 7558789813

Diamond specifications and retailer prices

From £12,812 GBP
$17,167 USD
As of October 31, 2026
Save £9,292 GBP (42%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £22,105 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 2.51ct natural cushion diamond

This 2.51ct natural cushion sits in the two to three carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 7558789813. Listed at 10 retailers as of October 31, 2026, with prices from £12,812 to £22,105, a £9,292 spread on the same certified stone. MOH London lists it at £22,105. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

2.51
Carat
I
Colour
SI2
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 7558789813
Dimensions9.03 × 6.96 × 4.77 mm
L/W Ratio1.30
Girdle conditionFaceted
Culet sizeNone
Top View
9.03 mm6.96 mm2.51 ctI / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7558789813
Side View
Table 65.0%CrownGirdle: MED-VTKPavilionCulet: NDepth 68.5%

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: £22,105 GBP|Low: £12,673 GBP|High: £22,223 GBP|Avg: £15,499 GBP|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 5£12,812 GBP
Retailer 7£13,012 GBP
Retailer 10£14,271 GBP
Retailer 3£14,576 GBP
Retailer 4£15,039 GBP
Retailer 6£15,509 GBP
Retailer 8£15,509 GBP
Retailer 9£16,024 GBP
Retailer 2£16,510 GBP
MOH London£22,105 GBP

17 data points across 10 retailers

10 retailers£12,812 GBP to £22,105 GBP

B+
Cheapest Retailer
-
£12,812 GBP
$17,167 USD
B+
Retailer 2
-
£13,012 GBP
$17,435 USD
View
B+
Retailer 3
-
£14,271 GBP
$19,122 USD
View
B+
Retailer 4
-
£14,576 GBP
View
B+
Retailer 5
-
£15,039 GBP
$20,150 USD
View
B+
Retailer 6
-
£15,509 GBP
$20,780 USD
View
B+
Retailer 7
-
£15,509 GBP
$20,780 USD
View
B
Retailer 8
-
£16,024 GBP
$21,470 USD
View
B
Retailer 9
-
£16,510 GBP
View
Most Expensive
B
MOH London
EEC860B4E · Nov 1
£22,105 GBP
View
9 more retailers have this diamond
Prices start from £12,812 GBPSave up to £9,292 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+
2.51ct Cushion
£12,812 GBP