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Cushion|Natural|GIA

2.51ct I SI2 Cushion Natural Diamond

ID • I/SI2 • GIA 6565458704

Certificate GIA 6565458704

Diamond specifications and retailer prices

From £12,848 GBP
$17,215 USD
As of November 1, 2026
Save £9,554 GBP (43%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £22,402 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 top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6565458704. Listed at 9 retailers as of November 1, 2026, with prices from £12,848 to £22,402, a £9,554 spread on the same certified stone. MOH London lists it at £22,402. 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

2.51
Carat
I
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6565458704
Dimensions9.09 × 7.02 × 4.90 mm
L/W Ratio1.29
Top View
9.09 mm7.02 mm2.51 ctI / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6565458704
Side View
Table 62.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 69.9%

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: Nov 1
Current: £22,402 GBP|Low: £12,277 GBP|High: £22,523 GBP|Avg: £15,396 GBP|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 9£12,277 GBP
Retailer 4£12,848 GBP
Retailer 5£13,165 GBP
Retailer 7£13,471 GBP
Retailer 2£14,773 GBP
Retailer 6£16,145 GBP
Retailer 8£16,705 GBP
Retailer 3£17,405 GBP
MOH London£22,402 GBP

18 data points across 9 retailers

9 retailers£12,848 GBP to £22,402 GBP

Retailer 1
-
£12,277 GBP
$16,450 USD
Price last confirmed 18 days ago
A
Retailer 2
-
£12,848 GBP
$17,215 USD
View
A
Retailer 3
-
£13,165 GBP
$17,640 USD
View
B+
Retailer 4
-
£13,471 GBP
CA$25,068 CAD
View
B+
Retailer 5
-
£14,773 GBP
View
B+
Retailer 6
-
£16,145 GBP
$21,633 USD
View
B
Retailer 7
-
£16,705 GBP
$22,383 USD
View
B
Retailer 8
-
£17,405 GBP
€22,210 EUR
View
Most Expensive
B
MOH London
A53E81CB6 · Nov 1
£22,402 GBP
View
8 more retailers have this diamond
Prices start from £12,848 GBPSave up to £9,554 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
2.51ct Cushion
£12,848 GBP