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Radiant|Natural|GIA

1.00ct F SI1 Radiant Natural Diamond

GD • F/SI1 • GIA 6237699378

Shape and cutting style on the report: Round cornered rectangular modified brilliant

Certificate GIA 6237699378

Diamond specifications and retailer prices

From £2,178 GBP
As of November 5, 2026
Save £2,266 GBP (51%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £4,444 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 SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 6237699378. Listed at 18 retailers as of November 5, 2026, with prices from £2,178 to £4,444, a £2,266 spread on the same certified stone. NZ Jewellers lists it at £4,444. 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

1.00
Carat
F
Colour
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6237699378
Dimensions7.23 × 4.65 × 3.09 mm
L/W Ratio1.55
Top View
7.23 mm4.65 mm1.00 ctF / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6237699378
Side View
Table 61.0%CrownGirdle: THK-POLPavilionCulet: NoneDepth 66.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £4,444 GBP|Low: £2,158 GBP|High: £4,444 GBP|Avg: £2,920 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
November 7, 2026
Retailer 9£2,305 GBP
Retailer 4£2,354 GBP
Retailer 5£2,474 GBP
Retailer 3£2,551 GBP
Retailer 10£2,551 GBP
Retailer 2£2,640 GBP
Retailer 11£2,649 GBP
Retailer 12£2,943 GBP
Retailer 6£2,969 GBP
Retailer 7£3,113 GBP
Retailer 8£4,254 GBP
NZ Jewellers£4,444 GBP

32 data points across 12 retailers

18 retailers£2,178 GBP to £4,444 GBP

B+
Cheapest Retailer
-
£2,178 GBP
B
Retailer 2
-
£2,264 GBP
View
B
Retailer 3
-
£2,305 GBP
View
B
Retailer 4
-
£2,315 GBP
View
B
Retailer 5
-
£2,354 GBP
View
Final sale: no returns
B
Retailer 6
-
£2,462 GBP
View
B+
Retailer 7
-
£2,474 GBP
View
B
Retailer 8
-
£2,551 GBP
View
Retailer 9
-
£2,551 GBP
View
Price last confirmed 9 days ago
B
Retailer 10
-
£2,640 GBP
View
B
Retailer 11
-
£2,649 GBP
View
Retailer 12
-
£2,734 GBP
View
Price last confirmed 34 days ago
B
Retailer 13
-
£2,808 GBP
View
B
Retailer 14
-
£2,943 GBP
View
B
Retailer 15
-
£2,969 GBP
View
B
Retailer 16
-
£3,113 GBP
View
B
Retailer 17
-
£4,254 GBP
View
Most Expensive
C
NZ Jewellers
35aadd0c-7b4a-4f2b-ab31-a191f56901f8 · Nov 5
£4,444 GBP
$5,948 USD
View
17 more retailers have this diamond
Prices start from £2,178 GBPSave up to £2,266 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+
1.00ct Radiant
£2,178 GBP