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Round|Natural|GIA

1.00ct K IF Round Natural Diamond

EX • K/IF • GIA 7556598558

Certificate GIA 7556598558

Diamond specifications and retailer prices

From £1,856 GBP
As of November 6, 2026
Save £1,783 GBP (49%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £4,355 GBP at NZ Jewellers · As of September 28, 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 7556598558. Listed at 12 retailers as of November 4, 2026, with a 96% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle34.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 7556598558
Dimensions6.40 × 6.37 × 3.95 mm
L/W Ratio1.00
Star length45%
Girdle conditionFaceted
Culet sizeNone
Top View
6.40 mm6.37 mm1.00 ctK / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7556598558
Side View
Table 60.0%Crown 34.5°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 61.9%

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 6
Current: £1,856 GBP|Low: £1,855 GBP|High: £3,693 GBP|Avg: £2,437 GBP|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 1£1,856 GBP
Retailer 7£2,006 GBP
Retailer 2£2,192 GBP
Retailer 4£2,420 GBP
Retailer 3£2,453 GBP
Retailer 5£2,543 GBP
Retailer 6£3,639 GBP

37 data points across 7 retailers

12 retailers£1,856 GBP to £3,639 GBP

A
Cheapest Retailer
-
£1,856 GBP
A
Retailer 2
-
£2,006 GBP
View
Retailer 3
-
£2,083 GBP
View
Price last confirmed 29 days ago
Retailer 4
-
£2,083 GBP
View
Price last confirmed 29 days ago
Retailer 5
-
£2,164 GBP
View
Price last confirmed 38 days ago
B+
Retailer 6
-
£2,192 GBP
View
Retailer 7
-
£2,404 GBP
View
Price last confirmed 38 days ago
B+
Retailer 8
-
£2,420 GBP
View
B+
Retailer 9
-
£2,453 GBP
View
B+
Retailer 10
-
£2,543 GBP
View
B
Retailer 11
-
£3,639 GBP
View
Most Expensive
NZ Jewellers
c64c1a44-ba6b-4f8b-85c7-cdbf861ae4f5 · Sep 28
£4,355 GBP
$5,862 USD
View
Price last confirmed 39 days ago
11 more retailers have this diamond
Prices start from £1,856 GBPSave up to £1,783 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
£1,856 GBP