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Round|Natural|GIA

1.00ct K IF Round Natural Diamond

EX • K/IF • GIA 5543296887

Certificate GIA 5543296887

Diamond specifications and retailer prices

From £1,591 GBP
As of November 4, 2026
Save £2,011 GBP (56%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £3,602 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 5543296887. Listed at 6 retailers as of November 4, 2026, with prices from £1,591 to £3,602, a £2,011 spread on the same certified stone. NZ Jewellers lists it at £3,602. 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
FluorescenceStrong
Crown angle33.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 5543296887
Dimensions6.41 × 6.43 × 3.91 mm
L/W Ratio1.00
Star length45%
Top View
6.41 mm6.43 mm1.00 ctK / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 5543296887
Side View
Table 60.0%Crown 33.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.0%

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 4
Current: £3,602 GBP|Low: £1,591 GBP|High: £3,602 GBP|Avg: £2,337 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 5£1,591 GBP
Retailer 6£1,688 GBP
Retailer 2£1,976 GBP
Retailer 7£2,020 GBP
Retailer 4£2,028 GBP
Retailer 3£3,011 GBP
NZ Jewellers£3,602 GBP

24 data points across 7 retailers

6 retailers£1,591 GBP to £3,602 GBP

A
Cheapest Retailer
-
£1,591 GBP
Final sale: no returns
A
Retailer 2
-
£1,688 GBP
View
A
Retailer 3
-
£1,976 GBP
View
A
Retailer 4
-
£2,028 GBP
View
B
Retailer 5
-
£3,011 GBP
View
Most Expensive
B
NZ Jewellers
c7ee6c2f-4b4a-4916-a4e9-32aad5cd10b2 · Nov 5
£3,602 GBP
$4,848 USD
View
5 more retailers have this diamond
Prices start from £1,591 GBPSave up to £2,011 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
£1,591 GBP