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Round|Natural|GIA

1.00ct K IF Round Natural Diamond

EX • K/IF • GIA 6552634094

Certificate GIA 6552634094

Diamond specifications and retailer prices

From £1,939 GBP
As of November 4, 2026
Save £2,453 GBP (56%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £4,393 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 6552634094. Listed at 6 retailers as of November 4, 2026, with prices from £1,939 to £4,393, a £2,453 spread on the same certified stone. NZ Jewellers lists it at £4,393. 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
FluorescenceNone
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6552634094
Dimensions6.40 × 6.36 × 4.01 mm
L/W Ratio1.01
Star length50%
Top View
6.40 mm6.36 mm1.00 ctK / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552634094
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.8%

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 4
Current: £4,393 GBP|Low: £1,939 GBP|High: £4,393 GBP|Avg: £2,924 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 5£1,939 GBP
Retailer 6£2,034 GBP
Retailer 3£2,453 GBP
Retailer 2£2,476 GBP
Retailer 4£3,681 GBP
NZ Jewellers£4,393 GBP

21 data points across 6 retailers

6 retailers£1,939 GBP to £4,393 GBP

A
Cheapest Retailer
-
£1,939 GBP
Final sale: no returns
A
Retailer 2
-
£2,034 GBP
View
B+
Retailer 3
-
£2,453 GBP
View
B+
Retailer 4
-
£2,476 GBP
View
B
Retailer 5
-
£3,681 GBP
View
Most Expensive
B
NZ Jewellers
b98d06f1-b6d5-4673-8ef1-41704cb9486c · Nov 5
£4,393 GBP
$5,912 USD
View
5 more retailers have this diamond
Prices start from £1,939 GBPSave up to £2,453 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
£1,939 GBP