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1.04ct K I1 Round Natural Diamond

EX • K/I1 • GIA 2507375270

Shape and cutting style on the report: Round brilliant

Certificate GIA 2507375270

Diamond specifications and retailer prices

From £1,010 GBP
As of November 5, 2026
Save £2,395 GBP (70%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £3,405 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.04ct natural round diamond

This 1.04ct 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 2507375270. Listed at 10 retailers as of November 5, 2026, with prices from £1,010 to £3,405, a £2,395 spread on the same certified stone. NZ Jewellers lists it at £3,405. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.04
Carat
K
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2507375270
Dimensions6.47 × 6.50 × 4.01 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
6.47 mm6.50 mm1.04 ctK / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2507375270
Side View
Table 60.0%Crown 35°Girdle: Slightly ThickPavilion 41.4°Culet: NoneDepth 61.8%

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 5
Current: £3,405 GBP|Low: £1,007 GBP|High: £3,405 GBP|Avg: £1,596 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 3£1,010 GBP
Retailer 4£1,017 GBP
Retailer 6£1,272 GBP
Retailer 5£1,355 GBP
Retailer 8£1,396 GBP
Retailer 10£1,396 GBP
Retailer 7£1,461 GBP
Retailer 9£1,611 GBP
Retailer 2£1,892 GBP
NZ Jewellers£3,405 GBP

45 data points across 10 retailers

10 retailers£1,010 GBP to £3,405 GBP

A
Cheapest Retailer
-
£1,010 GBP
B+
Retailer 2
-
£1,017 GBP
View
B+
Retailer 3
-
£1,272 GBP
View
B+
Retailer 4
-
£1,355 GBP
View
B
Retailer 5
-
£1,396 GBP
View
Retailer 6
-
£1,396 GBP
View
Price last confirmed 8 days ago
B
Retailer 7
-
£1,461 GBP
View
B
Retailer 8
-
£1,611 GBP
View
B
Retailer 9
-
£1,892 GBP
View
Most Expensive
C
NZ Jewellers
81b6e4cd-4b41-40b7-b7e4-01f517cd320a · Nov 5
£3,405 GBP
$4,583 USD
View
9 more retailers have this diamond
Prices start from £1,010 GBPSave up to £2,395 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
1.04ct Round
£1,010 GBP