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Radiant|Natural|GIA

2.51ct G SI2 Radiant Natural Diamond

ID • G/SI2 • GIA 1513179043

Certificate GIA 1513179043

Diamond specifications and retailer prices

From £13,166 GBP
CA$24,539 CAD
As of November 2, 2026
Save £8,518 GBP (39%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £21,685 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 2.51ct natural radiant diamond

This 2.51ct natural radiant sits in the two to three carat band, graded G 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 1513179043. Listed at 14 retailers as of November 1, 2026, with prices from £13,166 to £21,685, a £8,518 spread on the same certified stone. MOH London lists it at £21,685. 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
G
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1513179043
Dimensions8.76 × 6.48 × 4.52 mm
L/W Ratio1.35
Girdle conditionPolished
Top View
8.76 mm6.48 mm2.51 ctG / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1513179043
Side View
Table 66.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 69.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £21,685 GBP|Low: £13,166 GBP|High: £24,120 GBP|Avg: £16,487 GBP|-10.0%
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
November 2, 2026
Retailer 2£13,166 GBP
Retailer 5£13,248 GBP
Retailer 8£14,440 GBP
Retailer 6£14,525 GBP
Retailer 9£15,201 GBP
Retailer 4£15,381 GBP
Retailer 11£15,381 GBP
Retailer 3£15,895 GBP
Retailer 10£16,327 GBP
Retailer 7£16,842 GBP
Retailer 12£16,845 GBP
Retailer 13£19,670 GBP
MOH London£21,685 GBP

29 data points across 13 retailers

14 retailers£13,166 GBP to £21,685 GBP

A
Cheapest Retailer
-
£13,166 GBP
CA$24,539 CAD
A
Retailer 2
-
£13,248 GBP
$17,779 USD
View
A
Retailer 3
-
£14,440 GBP
View
A
Retailer 4
-
£14,525 GBP
$19,492 USD
View
A
Retailer 5
-
£15,201 GBP
$20,399 USD
View
Retailer 6
-
£15,381 GBP
$20,640 USD
View
Price last confirmed 11 days ago
Retailer 7
-
£15,381 GBP
$20,640 USD
View
Price last confirmed 11 days ago
Retailer 8
-
£15,895 GBP
$21,330 USD
View
Price last confirmed 12 days ago
A
Retailer 9
-
£16,327 GBP
$21,910 USD
View
A
Retailer 10
-
£16,842 GBP
€21,525 EUR
View
Retailer 11
-
£16,845 GBP
$22,605 USD
View
Price last confirmed 10 days ago
Retailer 12
-
£19,670 GBP
$26,396 USD
View
Price last confirmed 12 days ago
Retailer 13
-
£21,618 GBP
$29,010 USD
View
Price last confirmed 38 days ago
Most Expensive
B+
MOH London
AC8F37C5E · Nov 1
£21,685 GBP
View
13 more retailers have this diamond
Prices start from £13,166 GBPSave up to £8,518 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 Radiant
£13,166 GBP