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Radiant|Natural|GIA

1.01ct F SI2 Radiant Natural Diamond

EX • F/SI2 • GIA 5556860639

Certificate GIA 5556860639

Diamond specifications and retailer prices

From £1,317 GBP
As of November 4, 2026
Save £2,241 GBP (63%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £3,558 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 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 5556860639. Listed at 15 retailers as of November 4, 2026, with prices from £1,317 to £3,558, a £2,241 spread on the same certified stone. NZ Jewellers lists it at £3,558. 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
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5556860639
Dimensions6.83 × 5.04 × 3.41 mm
L/W Ratio1.36
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
6.83 mm5.04 mm1.01 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5556860639
Side View
Table 66.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 67.7%

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 4
Current: £3,558 GBP|Low: £1,293 GBP|High: £3,655 GBP|Avg: £1,799 GBP|+7.8%
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
November 7, 2026
Retailer 14£1,317 GBP
Retailer 3£1,346 GBP
Retailer 8£1,434 GBP
Retailer 7£1,436 GBP
Retailer 13£1,458 GBP
Retailer 6£1,499 GBP
Retailer 5£1,526 GBP
Retailer 9£1,561 GBP
Retailer 2£1,584 GBP
Retailer 11£1,609 GBP
Retailer 12£1,683 GBP
Retailer 10£1,981 GBP
Retailer 4£2,479 GBP
NZ Jewellers£3,558 GBP

22 data points across 14 retailers

15 retailers£1,317 GBP to £3,558 GBP

A
Cheapest Retailer
-
£1,317 GBP
A
Retailer 2
-
£1,346 GBP
View
Final sale: no returns
A
Retailer 3
-
£1,434 GBP
View
A
Retailer 4
-
£1,436 GBP
View
A
Retailer 5
-
£1,458 GBP
View
Retailer 6
-
£1,499 GBP
View
Price last confirmed 9 days ago
A
Retailer 7
-
£1,526 GBP
View
A
Retailer 8
-
£1,561 GBP
View
A
Retailer 9
-
£1,584 GBP
View
A
Retailer 10
-
£1,609 GBP
View
A
Retailer 11
-
£1,683 GBP
View
B+
Retailer 12
-
£1,981 GBP
View
Retailer 13
-
£2,097 GBP
View
Price last confirmed 62 days ago
B+
Retailer 14
-
£2,479 GBP
View
Most Expensive
B
NZ Jewellers
deb88987-967e-43be-baeb-cb2073e62c9c · Nov 5
£3,558 GBP
$4,762 USD
View
14 more retailers have this diamond
Prices start from £1,317 GBPSave up to £2,241 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
£1,317 GBP