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Radiant|Natural|GIA

1.00ct J SI2 Radiant Natural Diamond

EX • J/SI2 • GIA 6565201355

Certificate GIA 6565201355

Diamond specifications and retailer prices

From £1,039 GBP
As of November 6, 2026
Save £1,993 GBP (66%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £3,032 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural radiant diamond

This 1ct 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 6565201355. Listed at 15 retailers as of November 5, 2026, with prices from £1,039 to £3,032, a £1,993 spread on the same certified stone. NZ Jewellers lists it at £3,032. 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

1.00
Carat
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6565201355
Dimensions7.17 × 4.98 × 3.36 mm
L/W Ratio1.44
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Indented Natural
Top View
7.17 mm4.98 mm1.00 ctJ / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateGIA 6565201355
Side View
Table 69.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 67.5%

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: £3,032 GBP|Low: £804 GBP|High: £3,032 GBP|Avg: £1,326 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 7, 2026
Retailer 7£908 GBP
Retailer 5£1,039 GBP
Retailer 12£1,044 GBP
Retailer 10£1,050 GBP
Retailer 15£1,125 GBP
Retailer 3£1,126 GBP
Retailer 13£1,126 GBP
Retailer 6£1,145 GBP
Retailer 11£1,178 GBP
Retailer 8£1,238 GBP
Retailer 14£1,299 GBP
Retailer 2£1,378 GBP
Retailer 4£1,429 GBP
Retailer 9£2,172 GBP
NZ Jewellers£3,032 GBP

29 data points across 15 retailers

15 retailers£1,039 GBP to £3,032 GBP

Retailer 1
-
£908 GBP
Price last confirmed 23 days ago
B+
Retailer 2
-
£1,039 GBP
View
Final sale: no returns
A
Retailer 3
-
£1,044 GBP
View
A
Retailer 4
-
£1,050 GBP
View
B+
Retailer 5
-
£1,125 GBP
View
B+
Retailer 6
-
£1,126 GBP
View
Retailer 7
-
£1,126 GBP
View
Price last confirmed 9 days ago
B+
Retailer 8
-
£1,145 GBP
View
B+
Retailer 9
-
£1,178 GBP
View
B+
Retailer 10
-
£1,238 GBP
View
B+
Retailer 11
-
£1,299 GBP
View
B+
Retailer 12
-
£1,378 GBP
View
B+
Retailer 13
-
£1,429 GBP
View
B
Retailer 14
-
£2,172 GBP
View
Most Expensive
C
NZ Jewellers
3885c97e-28e3-49af-9f00-e1f72985356c · Nov 5
£3,032 GBP
$4,058 USD
View
14 more retailers have this diamond
Prices start from £1,039 GBPSave up to £1,993 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
£1,039 GBP