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Radiant|Natural|GIA

1.00ct F SI2 Radiant Natural Diamond

EX • F/SI2 • GIA 2557479858

Certificate GIA 2557479858

Diamond specifications and retailer prices

From £1,124 GBP
As of November 6, 2026
Save £2,061 GBP (65%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £3,185 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 F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2557479858. Listed at 16 retailers as of November 5, 2026, with prices from £1,124 to £3,185, a £2,061 spread on the same certified stone. NZ Jewellers lists it at £3,185. 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
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2557479858
Dimensions7.09 × 4.98 × 3.28 mm
L/W Ratio1.42
Girdle conditionPolished
Culet sizeNone
Key to symbols
Twinning Wisp, Crystal
Top View
7.09 mm4.98 mm1.00 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557479858
Side View
Table 68.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 65.8%

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: £3,185 GBP|Low: £1,083 GBP|High: £3,619 GBP|Avg: £1,679 GBP|-12.0%
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
Retailer 16
November 7, 2026
Retailer 14£1,124 GBP
Retailer 11£1,192 GBP
Retailer 12£1,325 GBP
Retailer 5£1,376 GBP
Retailer 8£1,464 GBP
Retailer 7£1,466 GBP
Retailer 4£1,523 GBP
Retailer 10£1,580 GBP
Retailer 6£1,603 GBP
Retailer 15£1,626 GBP
Retailer 9£1,640 GBP
Retailer 13£1,666 GBP
Retailer 3£1,743 GBP
Retailer 16£1,922 GBP
Retailer 2£2,631 GBP
NZ Jewellers£3,185 GBP

17 data points across 16 retailers

16 retailers£1,124 GBP to £3,185 GBP

A
Cheapest Retailer
-
£1,124 GBP
A
Retailer 2
-
£1,192 GBP
View
Final sale: no returns
A
Retailer 3
-
£1,325 GBP
View
A
Retailer 4
-
£1,376 GBP
View
Retailer 5
-
£1,464 GBP
View
Price last confirmed 9 days ago
A
Retailer 6
-
£1,466 GBP
View
A
Retailer 7
-
£1,523 GBP
View
A
Retailer 8
-
£1,580 GBP
View
A
Retailer 9
-
£1,603 GBP
View
A
Retailer 10
-
£1,626 GBP
View
A
Retailer 11
-
£1,640 GBP
View
A
Retailer 12
-
£1,666 GBP
View
B+
Retailer 13
-
£1,743 GBP
View
B+
Retailer 14
-
£1,922 GBP
View
B
Retailer 15
-
£2,631 GBP
View
Most Expensive
B
NZ Jewellers
2db744c4-c172-46a7-9a23-fc5b2f7e414a · Nov 5
£3,185 GBP
$4,263 USD
View
15 more retailers have this diamond
Prices start from £1,124 GBPSave up to £2,061 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
£1,124 GBP