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Radiant|Natural|GIA

2.50ct F SI2 Radiant Natural Diamond

EX • F/SI2 • GIA 6551703662

Certificate GIA 6551703662

Diamond specifications and retailer prices

From £10,197 GBP
₹1,301,255 INR
As of November 1, 2026
Save £8,002 GBP (44%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £18,199 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 2.5ct natural radiant diamond

This 2.5ct natural radiant sits in the two to three carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6551703662. Listed at 15 retailers as of November 1, 2026, with prices from £10,197 to £18,199, a £8,002 spread on the same certified stone. MOH London lists it at £18,199. 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

2.50
Carat
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6551703662
Dimensions8.70 × 6.69 × 4.71 mm
L/W Ratio1.30
Girdle conditionPolished
Culet sizeNone
Key to symbols
Cloud, Crystal, Feather, Knot, Needle, Indented Natural
Top View
8.70 mm6.69 mm2.50 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551703662
Side View
Table 70.0%CrownGirdle: VTK-ETKPavilionCulet: NoneDepth 70.3%

Caratlytics Score

How it works →
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 1
Current: £18,199 GBP|Low: £10,187 GBP|High: £20,404 GBP|Avg: £13,926 GBP|-10.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 4£10,197 GBP
Retailer 3£11,296 GBP
Retailer 11£11,825 GBP
Retailer 6£12,266 GBP
Retailer 2£12,279 GBP
Retailer 5£13,537 GBP
Retailer 7£13,935 GBP
Retailer 9£14,294 GBP
Retailer 10£14,471 GBP
Retailer 8£16,508 GBP
MOH London£18,199 GBP

37 data points across 11 retailers

15 retailers£10,197 GBP to £18,199 GBP

A
Cheapest Retailer
-
£10,197 GBP
₹1,301,255 INR
A
Retailer 2
-
£11,001 GBP
A$22,676 AUD
View
A
Retailer 3
-
£11,296 GBP
$15,135 USD
View
Final sale: no returns
A
Retailer 4
-
£11,825 GBP
$15,844 USD
View
A
Retailer 5
-
£12,266 GBP
$16,435 USD
View
A
Retailer 6
-
£12,279 GBP
View
Retailer 7
-
£12,863 GBP
$17,235 USD
View
Price last confirmed 17 days ago
A
Retailer 8
-
£13,537 GBP
€17,274 EUR
View
Retailer 9
-
£13,721 GBP
$18,384 USD
View
Price last confirmed 16 days ago
Retailer 10
-
£13,935 GBP
$18,671 USD
View
Price last confirmed 12 days ago
A
Retailer 11
-
£14,294 GBP
$19,152 USD
View
Retailer 12
-
£14,471 GBP
$19,389 USD
View
Price last confirmed 11 days ago
Retailer 13
-
£16,508 GBP
$22,119 USD
View
Price last confirmed 12 days ago
Retailer 14
-
£17,591 GBP
$23,570 USD
View
Price last confirmed 56 days ago
Most Expensive
B+
MOH London
0F5C025C0 · Nov 1
£18,199 GBP
View
14 more retailers have this diamond
Prices start from £10,197 GBPSave up to £8,002 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
2.50ct Radiant
£10,197 GBP