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Round|Natural|GIA

1.00ct K IF Round Natural Diamond

EX • K/IF • GIA 6495802087

Certificate GIA 6495802087

Diamond specifications and retailer prices

From £1,781 GBP
As of November 6, 2026
Save £2,398 GBP (57%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £4,179 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 6495802087. Listed at 11 retailers as of November 5, 2026, with prices from £1,781 to £4,179, a £2,398 spread on the same certified stone. NZ Jewellers lists it at £4,179. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
K
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle32°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 6495802087
Dimensions6.45 × 6.40 × 3.93 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
6.45 mm6.40 mm1.00 ctK / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6495802087
Side View
Table 60.0%Crown 32°Girdle: ThickPavilion 41.6°Culet: NoneDepth 61.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £4,179 GBP|Low: £1,779 GBP|High: £4,179 GBP|Avg: £2,288 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 2£1,781 GBP
Retailer 6£1,790 GBP
Retailer 16£1,790 GBP
Retailer 4£1,869 GBP
Retailer 5£1,969 GBP
Retailer 7£1,999 GBP
Retailer 15£1,999 GBP
Retailer 8£2,008 GBP
Retailer 13£2,076 GBP
Retailer 9£2,103 GBP
Retailer 14£2,307 GBP
Retailer 11£2,340 GBP
Retailer 12£2,440 GBP
Retailer 10£2,476 GBP
Retailer 3£3,507 GBP
NZ Jewellers£4,179 GBP

5 data points across 16 retailers

11 retailers£1,781 GBP to £4,179 GBP

A
Cheapest Retailer
-
£1,781 GBP
A
Retailer 2
-
£1,790 GBP
View
A
Retailer 3
-
£1,969 GBP
View
A
Retailer 4
-
£1,999 GBP
View
A
Retailer 5
-
£2,076 GBP
View
A
Retailer 6
-
£2,103 GBP
View
B+
Retailer 7
-
£2,307 GBP
View
B+
Retailer 8
-
£2,340 GBP
View
B+
Retailer 9
-
£2,440 GBP
View
B+
Retailer 10
-
£2,476 GBP
View
Most Expensive
B
NZ Jewellers
e10fea1a-f4ca-43bb-9a9d-dcaeb440cc28 · Nov 5
£4,179 GBP
$5,625 USD
View
10 more retailers have this diamond
Prices start from £1,781 GBPSave up to £2,398 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
1.00ct Round
£1,781 GBP