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Radiant|Natural|GIA

1.01ct J SI1 Radiant Natural Diamond

EX • J/SI1 • GIA 2245085897

Certificate GIA 2245085897

Diamond specifications and retailer prices

From £822 GBP
As of November 5, 2026
Save £1,922 GBP (70%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £2,743 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2245085897. Listed at 10 retailers as of November 5, 2026, with prices from £822 to £2,743, a £1,922 spread on the same certified stone. NZ Jewellers lists it at £2,743. 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

1.01
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Pavilion angle58.38°
OriginNatural
Grading LabGIA
CertificateGIA 2245085897
Dimensions6.84 × 4.94 × 3.43 mm
L/W Ratio1.38
Key to symbols
Crystal, Pinpoint
Top View
6.84 mm4.94 mm1.01 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2245085897
Side View
Table 62.0%CrownGirdle: STK-THKPavilion 58.38°Culet: NoneDepth 69.4%

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: £2,743 GBP|Low: £822 GBP|High: £2,906 GBP|Avg: £1,509 GBP|-5.6%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 7, 2026
Retailer 5£822 GBP
Retailer 3£1,091 GBP
Retailer 6£1,124 GBP
Retailer 4£1,149 GBP
Retailer 2£1,177 GBP
Retailer 7£1,255 GBP
Retailer 9£1,344 GBP
Retailer 8£1,994 GBP
Retailer 10£2,055 GBP
NZ Jewellers£2,743 GBP

26 data points across 10 retailers

10 retailers£822 GBP to £2,743 GBP

A
Cheapest Retailer
-
£822 GBP
A
Retailer 2
-
£1,091 GBP
View
A
Retailer 3
-
£1,124 GBP
View
A
Retailer 4
-
£1,149 GBP
View
A
Retailer 5
-
£1,177 GBP
View
B+
Retailer 6
-
£1,255 GBP
View
B+
Retailer 7
-
£1,344 GBP
View
B
Retailer 8
-
£1,994 GBP
View
B
Retailer 9
-
£2,055 GBP
View
Most Expensive
B
NZ Jewellers
3cdf2c56-3d35-439a-b6a1-644c377f55a7 · Nov 5
£2,743 GBP
$3,672 USD
View
9 more retailers have this diamond
Prices start from £822 GBPSave up to £1,922 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
1.01ct Radiant
£822 GBP