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Radiant|Natural|GIA

1.01ct F SI1 Radiant Natural Diamond

EX • F/SI1 • GIA 6541604009

Certificate GIA 6541604009

Diamond specifications and retailer prices

From £1,222 GBP
$1,640 USD
As of November 1, 2026
Save £2,049 GBP (63%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £3,271 GBP at NZ Jewellers · As of October 30, 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6541604009. Listed at 17 retailers as of October 30, 2026, with prices from £1,222 to £3,271, a £2,049 spread on the same certified stone. NZ Jewellers lists it at £3,271. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle46.59°
OriginNatural
Grading LabGIA
CertificateGIA 6541604009
Dimensions6.61 × 5.05 × 3.49 mm
L/W Ratio1.31
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
6.61 mm5.05 mm1.01 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6541604009
Side View
Table 68.0%Crown 46.59°GirdlePavilionCulet: NoneDepth 69.0%

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 1
Current: £3,271 GBP|Low: £1,212 GBP|High: £3,493 GBP|Avg: £1,692 GBP|-6.3%
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
Retailer 17
November 3, 2026
Retailer 7£1,222 GBP
Retailer 6£1,238 GBP
Retailer 11£1,308 GBP
Retailer 8£1,341 GBP
Retailer 17£1,341 GBP
Retailer 4£1,347 GBP
Retailer 14£1,386 GBP
Retailer 3£1,403 GBP
Retailer 16£1,443 GBP
Retailer 2£1,491 GBP
Retailer 5£1,548 GBP
Retailer 15£1,633 GBP
Retailer 10£1,762 GBP
Retailer 12£1,832 GBP
Retailer 9£1,928 GBP
Retailer 13£2,350 GBP
NZ Jewellers£3,271 GBP

30 data points across 17 retailers

17 retailers£1,222 GBP to £3,271 GBP

A
Cheapest Retailer
-
£1,222 GBP
$1,640 USD
A
Retailer 2
-
£1,238 GBP
$1,661 USD
View
Final sale: no returns
A
Retailer 3
-
£1,308 GBP
View
A
Retailer 4
-
£1,341 GBP
$1,800 USD
View
A
Retailer 5
-
£1,341 GBP
$1,800 USD
View
A
Retailer 6
-
£1,347 GBP
$1,807 USD
View
A
Retailer 7
-
£1,386 GBP
$1,860 USD
View
A
Retailer 8
-
£1,403 GBP
$1,883 USD
View
A
Retailer 9
-
£1,443 GBP
$1,937 USD
View
A
Retailer 10
-
£1,491 GBP
View
A
Retailer 11
-
£1,548 GBP
$2,077 USD
View
Retailer 12
-
£1,633 GBP
ZAR 35,402 ZAR
View
Price last confirmed 7 days ago
B+
Retailer 13
-
£1,762 GBP
$2,364 USD
View
B+
Retailer 14
-
£1,832 GBP
€2,341 EUR
View
Retailer 15
-
£1,928 GBP
A$3,981 AUD
View
Price last confirmed 28 days ago
B+
Retailer 16
-
£2,350 GBP
View
Most Expensive
B
NZ Jewellers
1be9d3d8-6a2c-4622-ab77-8f8f363c59ef · Oct 30
£3,271 GBP
$4,390 USD
View
16 more retailers have this diamond
Prices start from £1,222 GBPSave up to £2,049 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
£1,222 GBP