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Round|Natural|GIA

1.00ct K I2 Round Natural Diamond

EX • K/I2 • GIA 7551419095

Certificate GIA 7551419095

Diamond specifications and retailer prices

From £694 GBP
As of November 3, 2026
Save £1,483 GBP (68%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £2,177 GBP at NZ Jewellers · As of November 2, 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 I2 clarity (included), with a top-tier cut grade and certified by GIA 7551419095. Listed at 7 retailers as of November 2, 2026, with prices from £694 to £2,177, a £1,483 spread on the same certified stone. NZ Jewellers lists it at £2,177. 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
I2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 7551419095
Dimensions6.38 × 6.43 × 3.94 mm
L/W Ratio1.01
Key to symbols
Feather, Crystal, Cavity, Needle
Top View
6.38 mm6.43 mm1.00 ctK / I2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 7551419095
Side View
Table 57.0%CrownGirdlePavilionCuletDepth 61.5%

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 3
Current: £2,177 GBP|Low: £694 GBP|High: £2,288 GBP|Avg: £1,218 GBP|-4.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 4£694 GBP
Retailer 6£694 GBP
Retailer 5£702 GBP
Retailer 7£721 GBP
Retailer 3£801 GBP
Retailer 2£973 GBP
Retailer 8£1,515 GBP
NZ Jewellers£2,177 GBP

23 data points across 8 retailers

7 retailers£694 GBP to £2,177 GBP

A
Cheapest Retailer
-
£694 GBP
Retailer 2
-
£694 GBP
View
Price last confirmed 8 days ago
A
Retailer 3
-
£702 GBP
View
B+
Retailer 4
-
£721 GBP
View
B+
Retailer 5
-
£801 GBP
View
B+
Retailer 6
-
£973 GBP
View
Most Expensive
C
NZ Jewellers
bcd3c2e4-c8bf-4baf-80fc-4248ae7a63b7 · Nov 2
£2,177 GBP
$2,930 USD
View
6 more retailers have this diamond
Prices start from £694 GBPSave up to £1,483 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
£694 GBP