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2.51ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 6565453058

Certificate GIA 6565453058

Diamond specifications and retailer prices

From £16,979 GBP
$22,750 USD
As of October 31, 2026
Save £10,051 GBP (37%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £27,030 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 2.51ct natural round diamond

This 2.51ct 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 6565453058. Listed at 8 retailers as of October 31, 2026, with prices from £16,979 to £27,030, a £10,051 spread on the same certified stone. MOH London lists it at £27,030. 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
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6565453058
Dimensions8.59 × 8.64 × 5.39 mm
L/W Ratio1.01
Top View
8.59 mm8.64 mm2.51 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6565453058
Side View
Table 58.0%CrownGirdlePavilionCulet: NoneDepth 62.6%

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 31
Current: £27,030 GBP|Low: £16,979 GBP|High: £28,011 GBP|Avg: £21,482 GBP|-3.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 7£16,979 GBP
Retailer 6£17,343 GBP
Retailer 2£19,913 GBP
Retailer 4£20,060 GBP
Retailer 8£20,696 GBP
Retailer 3£23,894 GBP
Retailer 5£24,519 GBP
MOH London£27,030 GBP

33 data points across 8 retailers

8 retailers£16,979 GBP to £27,030 GBP

A
Cheapest Retailer
-
£16,979 GBP
$22,750 USD
A
Retailer 2
-
£17,343 GBP
$23,238 USD
View
B+
Retailer 3
-
£19,913 GBP
View
B+
Retailer 4
-
£20,060 GBP
$26,878 USD
View
B+
Retailer 5
-
£20,696 GBP
$27,731 USD
View
B+
Retailer 6
-
£23,894 GBP
$32,015 USD
View
B+
Retailer 7
-
£24,519 GBP
$32,853 USD
View
Most Expensive
B
MOH London
44F2EE7EC · Nov 1
£27,030 GBP
View
7 more retailers have this diamond
Prices start from £16,979 GBPSave up to £10,051 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 Round
£16,979 GBP