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Radiant|Natural|GIA

1.01ct J IF Radiant Natural Diamond

ID • J/IF • GIA 5

Certificate GIA 5

Diamond specifications and retailer prices

From £1,872 GBP
As of November 4, 2026
Save £2,378 GBP (56%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £4,250 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.01ct natural radiant diamond

This 1.01ct natural radiant sits in the classic one-carat band, graded J colour (near-colourless) 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. Listed at 8 retailers as of November 4, 2026, with prices from £1,872 to £4,250, a £2,378 spread on the same certified stone. NZ Jewellers lists it at £4,250. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.01
Carat
J
Colour
IF
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5
Dimensions6.93 × 5.11 × 3.47 mm
L/W Ratio1.36
Top View
6.93 mm5.11 mm1.01 ctJ / IF
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5
Side View
Table 67.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 67.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £4,250 GBP|Low: £1,872 GBP|High: £4,250 GBP|Avg: £2,480 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
September 30, 2026
Retailer 8£1,872 GBP
Retailer 4£1,911 GBP
Retailer 5£2,210 GBP
Retailer 6£2,210 GBP
Retailer 2£2,295 GBP
Retailer 3£2,385 GBP
Retailer 7£2,550 GBP
NZ Jewellers£4,250 GBP

3 data points across 8 retailers

8 retailers£1,872 GBP to £4,250 GBP

B+
Cheapest Retailer
-
£1,872 GBP
B+
Retailer 2
-
£1,911 GBP
View
Retailer 3
-
£2,210 GBP
View
Price last confirmed 9 days ago
B
Retailer 4
-
£2,210 GBP
View
B
Retailer 5
-
£2,295 GBP
View
B
Retailer 6
-
£2,385 GBP
View
B
Retailer 7
-
£2,550 GBP
View
Most Expensive
B
NZ Jewellers
1fd76315-6d0c-4009-99fc-446fba234b06 · Nov 5
£4,250 GBP
$5,688 USD
View
7 more retailers have this diamond
Prices start from £1,872 GBPSave up to £2,378 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.

B+
1.01ct Radiant
£1,872 GBP