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Radiant|Natural|GIA

1.01ct F SI1 Radiant Natural Diamond

GD • F/SI1 • GIA 6421144525

Certificate GIA 6421144525

Diamond specifications and retailer prices

From £3,224 GBP
As of November 5, 2026
Save £1,811 GBP (36%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £6,903 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 SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 6421144525. Listed at 24 retailers as of November 5, 2026, with a 56% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.01
Carat
F
Colour
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6421144525
Dimensions6.64 × 5.30 × 3.49 mm
L/W Ratio1.25
Top View
6.64 mm5.30 mm1.01 ctF / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6421144525
Side View
Table 65.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 65.8%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £3,987 GBP|Low: £2,876 GBP|High: £6,652 GBP|Avg: £4,315 GBP|+1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 7, 2026
Retailer 8£3,213 GBP
Retailer 9£3,451 GBP
Retailer 2£3,739 GBP
Retailer 1£3,987 GBP
Retailer 4£4,007 GBP
Retailer 3£4,075 GBP
Retailer 10£4,133 GBP
Retailer 5£4,395 GBP
Retailer 6£5,035 GBP
Retailer 7£6,555 GBP

46 data points across 10 retailers

24 retailers£3,224 GBP to £5,035 GBP

Retailer 1
-
£3,213 GBP
Price last confirmed 10 days ago
B
Retailer 2
-
£3,224 GBP
View
B
Retailer 3
-
£3,261 GBP
View
B
Retailer 4
-
£3,403 GBP
View
B
Retailer 5
-
£3,451 GBP
View
Final sale: no returns
B
Retailer 6
-
£3,480 GBP
View
B
Retailer 7
-
£3,505 GBP
View
B
Retailer 8
-
£3,519 GBP
View
Retailer 9
-
£3,739 GBP
View
Price last confirmed 9 days ago
B
Retailer 10
-
£3,739 GBP
View
B
Retailer 11
-
£3,739 GBP
View
B
Retailer 12
-
£3,987 GBP
View
B
Retailer 13
-
£4,007 GBP
View
B
Retailer 14
-
£4,075 GBP
View
B
Retailer 15
-
£4,075 GBP
View
Retailer 16
-
£4,133 GBP
View
Price last confirmed 29 days ago
B
Retailer 17
-
£4,191 GBP
View
B
Retailer 18
-
£4,191 GBP
View
B
Retailer 19
-
£4,314 GBP
View
B
Retailer 20
-
£4,326 GBP
View
B
Retailer 21
-
£4,395 GBP
View
B
Retailer 22
-
£5,035 GBP
View
Retailer 23
-
£6,555 GBP
View
Price under review
Most Expensive
NZ Jewellers
dc1a14d7-f350-46aa-8917-edb9aa2388de · Nov 5
£6,903 GBP
$9,239 USD
View
Price under review
23 more retailers have this diamond
Prices start from £3,224 GBPSave up to £1,811 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.

B
1.01ct Radiant
£3,224 GBP