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Round|Natural|GIA

2.56ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 2235949450

Certificate GIA 2235949450

Diamond specifications and retailer prices

From £16,202 GBP
CA$30,150 CAD
As of October 30, 2026
Save £10,434 GBP (39%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £26,635 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 2.56ct natural round diamond

This 2.56ct natural round sits in the two to three carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2235949450. Listed at 10 retailers as of October 30, 2026, with prices from £16,202 to £26,635, a £10,434 spread on the same certified stone. MOH London lists it at £26,635. 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

2.56
Carat
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2235949450
Dimensions8.69 × 8.72 × 5.40 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Cavity, Needle
Top View
8.69 mm8.72 mm2.56 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2235949450
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.1%

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: £26,635 GBP|Low: £16,202 GBP|High: £27,318 GBP|Avg: £20,217 GBP|-1.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 4£16,202 GBP
Retailer 10£16,302 GBP
Retailer 2£17,224 GBP
Retailer 5£17,735 GBP
Retailer 6£18,705 GBP
Retailer 3£20,085 GBP
Retailer 7£20,090 GBP
Retailer 8£20,728 GBP
Retailer 9£24,160 GBP
MOH London£26,635 GBP

35 data points across 10 retailers

10 retailers£16,202 GBP to £26,635 GBP

A
Cheapest Retailer
-
£16,202 GBP
CA$30,150 CAD
A
Retailer 2
-
£16,302 GBP
$21,844 USD
View
A
Retailer 3
-
£17,224 GBP
View
A
Retailer 4
-
£17,735 GBP
$23,763 USD
View
B+
Retailer 5
-
£18,705 GBP
$25,063 USD
View
B+
Retailer 6
-
£20,085 GBP
€25,630 EUR
View
B+
Retailer 7
-
£20,090 GBP
$26,919 USD
View
B+
Retailer 8
-
£20,728 GBP
$27,773 USD
View
B+
Retailer 9
-
£24,160 GBP
$32,372 USD
View
Most Expensive
B
MOH London
503A1F758 · Nov 1
£26,635 GBP
View
9 more retailers have this diamond
Prices start from £16,202 GBPSave up to £10,434 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
2.56ct Round
£16,202 GBP