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Radiant|Natural|GIA

1.00ct K IF Radiant Natural Diamond

ID • K/IF • GIA 2548845578

Certificate GIA 2548845578

Diamond specifications and retailer prices

From £1,099 GBP
As of November 6, 2026
Save £227 GBP (17%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £1,326 GBP at Blue Nile · As of November 5, 2026
View at Blue Nile

About this 1ct natural radiant diamond

This 1ct natural radiant sits in the classic one-carat band, graded K colour (faint-tinted) and IF clarity (flawless or internally-flawless), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2548845578. Listed at 6 retailers as of November 5, 2026, with prices from £1,099 to £1,326, a £227 spread on the same certified stone. Blue Nile lists it at £1,326. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
K
Colour
IF
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2548845578
Dimensions6.30 × 4.81 × 3.42 mm
L/W Ratio1.31
Top View
6.30 mm4.81 mm1.00 ctK / IF
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2548845578
Side View
Table 67.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 71.1%

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: Nov 6
Current: £1,326 GBP|Low: £959 GBP|High: £1,448 GBP|Avg: £1,216 GBP|-8.4%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 17, 2026
Retailer 3£1,099 GBP
Retailer 5£1,105 GBP
Retailer 2£1,115 GBP
Retailer 6£1,228 GBP
Retailer 4£1,251 GBP
Blue Nile£1,326 GBP

7 data points across 6 retailers

6 retailers£1,099 GBP to £1,326 GBP

A
Cheapest Retailer
-
£1,099 GBP
Final sale: no returns
A
Retailer 2
-
£1,105 GBP
View
A
Retailer 3
-
£1,115 GBP
View
A
Retailer 4
-
£1,228 GBP
View
A
Retailer 5
-
£1,251 GBP
View
Most Expensive
B+
Blue Nile
28546865 · Nov 5
£1,326 GBP
$1,775 USD
View
5 more retailers have this diamond
Prices start from £1,099 GBPSave up to £227 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
1.00ct Radiant
£1,099 GBP