CaratHunter
Plans
Round|Natural|GIA

1.00ct K SI2 Round Natural Diamond

GD • K/SI2 • GIA 5413046044

Certificate GIA 5413046044

Diamond specifications and retailer prices

From £856 GBP
As of November 6, 2026
Save £1,952 GBP (70%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £2,808 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a standard cut grade and certified by GIA 5413046044. Listed at 15 retailers as of November 5, 2026, with prices from £856 to £2,808, a £1,952 spread on the same certified stone. NZ Jewellers lists it at £2,808. 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
K
Colour
SI2
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5413046044
Dimensions6.15 × 6.10 × 3.98 mm
L/W Ratio1.01
Top View
6.15 mm6.10 mm1.00 ctK / SI2
OriginNatural
CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 5413046044
Side View
Table 61.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 65.0%

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 6
Current: £2,808 GBP|Low: £846 GBP|High: £2,808 GBP|Avg: £1,276 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
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 6, 2026
Retailer 16£856 GBP
Retailer 5£1,067 GBP
Retailer 2£1,117 GBP
Retailer 7£1,145 GBP
Retailer 3£1,151 GBP
Retailer 15£1,151 GBP
Retailer 6£1,181 GBP
Retailer 9£1,187 GBP
Retailer 8£1,195 GBP
Retailer 13£1,204 GBP
Retailer 4£1,252 GBP
Retailer 10£1,265 GBP
Retailer 14£1,328 GBP
Retailer 11£1,562 GBP
Retailer 12£2,011 GBP
NZ Jewellers£2,808 GBP

34 data points across 16 retailers

15 retailers£856 GBP to £2,808 GBP

B+
Cheapest Retailer
-
£856 GBP
B+
Retailer 2
-
£1,067 GBP
View
B+
Retailer 3
-
£1,117 GBP
View
B+
Retailer 4
-
£1,145 GBP
View
Retailer 5
-
£1,151 GBP
View
Price last confirmed 8 days ago
B+
Retailer 6
-
£1,151 GBP
View
B+
Retailer 7
-
£1,181 GBP
View
B+
Retailer 8
-
£1,187 GBP
View
B+
Retailer 9
-
£1,204 GBP
View
B+
Retailer 10
-
£1,252 GBP
View
B+
Retailer 11
-
£1,265 GBP
View
B+
Retailer 12
-
£1,328 GBP
View
B
Retailer 13
-
£1,562 GBP
View
B
Retailer 14
-
£2,011 GBP
View
Most Expensive
C
NZ Jewellers
388cc72c-79d3-42a0-8f2e-bb643681faab · Nov 5
£2,808 GBP
$3,779 USD
View
14 more retailers have this diamond
Prices start from £856 GBPSave up to £1,952 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 Round
£856 GBP