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Round|Natural|GIA

1.00ct K I1 Round Natural Diamond

EX • K/I1 • GIA 7353485657

Certificate GIA 7353485657

Diamond specifications and retailer prices

From £504 GBP
As of November 4, 2026
Save £1,612 GBP (76%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £2,115 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 I1 clarity (included), with a top-tier cut grade and certified by GIA 7353485657. Listed at 9 retailers as of November 4, 2026, with prices from £504 to £2,115, a £1,612 spread on the same certified stone. NZ Jewellers lists it at £2,115. 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
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 7353485657
Dimensions6.35 × 6.36 × 3.98 mm
L/W Ratio1.00
Top View
6.35 mm6.36 mm1.00 ctK / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 7353485657
Side View
Table 57.0%Crown 36°Girdle: Slightly ThickPavilion 40.6°Culet: NoneDepth 62.6%

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: £2,115 GBP|Low: £504 GBP|High: £2,181 GBP|Avg: £877 GBP|-3.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 6£504 GBP
Retailer 3£540 GBP
Retailer 9£675 GBP
Retailer 4£689 GBP
Retailer 5£701 GBP
Retailer 7£778 GBP
Retailer 8£795 GBP
Retailer 2£943 GBP
NZ Jewellers£2,115 GBP

43 data points across 9 retailers

9 retailers£504 GBP to £2,115 GBP

A
Cheapest Retailer
-
£504 GBP
A
Retailer 2
-
£540 GBP
View
B+
Retailer 3
-
£675 GBP
View
B+
Retailer 4
-
£689 GBP
View
B+
Retailer 5
-
£701 GBP
View
B+
Retailer 6
-
£778 GBP
View
B+
Retailer 7
-
£795 GBP
View
B+
Retailer 8
-
£943 GBP
View
Most Expensive
C
NZ Jewellers
0b8b16d3-2ae7-486f-9ec4-1e40cb85935f · Nov 5
£2,115 GBP
$2,847 USD
View
8 more retailers have this diamond
Prices start from £504 GBPSave up to £1,612 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
£504 GBP