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Radiant|Natural|GIA

1.04ct J SI2 Radiant Natural Diamond

EX • J/SI2 • GIA 1559537640

Certificate GIA 1559537640

Diamond specifications and retailer prices

From £891 GBP
As of November 6, 2026
Save £1,991 GBP (69%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £2,882 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.04ct natural radiant diamond

This 1.04ct natural radiant sits in the classic one-carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1559537640. Listed at 10 retailers as of November 5, 2026, with prices from £891 to £2,882, a £1,991 spread on the same certified stone. NZ Jewellers lists it at £2,882. 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

1.04
Carat
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1559537640
Dimensions7.28 × 5.01 × 3.21 mm
L/W Ratio1.45
Top View
7.28 mm5.01 mm1.04 ctJ / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 1559537640
Side View
Table 63.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 64.1%

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: £2,882 GBP|Low: £891 GBP|High: £2,882 GBP|Avg: £1,440 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 7, 2026
Retailer 3£891 GBP
Retailer 7£940 GBP
Retailer 8£1,095 GBP
Retailer 9£1,166 GBP
Retailer 4£1,177 GBP
Retailer 10£1,283 GBP
Retailer 2£1,310 GBP
Retailer 5£1,603 GBP
Retailer 6£2,064 GBP
NZ Jewellers£2,882 GBP

29 data points across 10 retailers

10 retailers£891 GBP to £2,882 GBP

A
Cheapest Retailer
-
£891 GBP
A
Retailer 2
-
£940 GBP
View
Final sale: no returns
A
Retailer 3
-
£1,095 GBP
View
B+
Retailer 4
-
£1,166 GBP
View
A
Retailer 5
-
£1,177 GBP
View
B+
Retailer 6
-
£1,283 GBP
View
B+
Retailer 7
-
£1,310 GBP
View
B+
Retailer 8
-
£1,603 GBP
View
B
Retailer 9
-
£2,064 GBP
View
Most Expensive
B
NZ Jewellers
b545e6c6-aeaa-4502-b295-50cb23b5ffdb · Nov 5
£2,882 GBP
$3,857 USD
View
9 more retailers have this diamond
Prices start from £891 GBPSave up to £1,991 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
1.04ct Radiant
£891 GBP