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Radiant|Natural|GIA

1.00ct K IF Radiant Natural Diamond

ID • K/IF • GIA 3545711878

Certificate GIA 3545711878

Diamond specifications and retailer prices

From £1,168 GBP
As of November 5, 2026
Save £240 GBP (17%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £1,408 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 3545711878. Listed at 6 retailers as of November 5, 2026, with prices from £1,168 to £1,408, a £240 spread on the same certified stone. Blue Nile lists it at £1,408. 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 3545711878
Dimensions6.29 × 5.01 × 3.42 mm
L/W Ratio1.26
Top View
6.29 mm5.01 mm1.00 ctK / IF
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 3545711878
Side View
Table 68.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 68.3%

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 5
Current: £1,408 GBP|Low: £1,018 GBP|High: £1,549 GBP|Avg: £1,305 GBP|-9.1%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 17, 2026
Retailer 2£1,168 GBP
Retailer 3£1,169 GBP
Retailer 5£1,177 GBP
Retailer 4£1,330 GBP
Retailer 6£1,378 GBP
Blue Nile£1,408 GBP

7 data points across 6 retailers

6 retailers£1,168 GBP to £1,408 GBP

A
Cheapest Retailer
-
£1,168 GBP
A
Retailer 2
-
£1,169 GBP
View
Final sale: no returns
A
Retailer 3
-
£1,177 GBP
View
A
Retailer 4
-
£1,330 GBP
View
B+
Retailer 5
-
£1,378 GBP
View
Most Expensive
B+
Blue Nile
28381976 · Nov 5
£1,408 GBP
$1,884 USD
View
5 more retailers have this diamond
Prices start from £1,168 GBPSave up to £240 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
£1,168 GBP