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Round|Natural|IGI

1.04ct K I1 Round Natural Diamond

EX • K/I1 • IGI 569390636

Shape and cutting style on the report: Round brilliant

Certificate IGI 569390636

Diamond specifications and retailer prices

From £647 GBP
As of October 31, 2026
Save £234 GBP (27%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £1,974 GBP at NZ Jewellers · As of September 28, 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 IGI 569390636. Listed at 7 retailers as of October 31, 2026, with a 36% 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

1.04
Carat
K
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.6°
Pavilion angle40.7°
OriginNatural
Grading LabIGI
CertificateIGI 569390636
Dimensions6.34 × 6.43 × 4.03 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
6.34 mm6.43 mm1.04 ctK / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 569390636
Side View
Table 58.0%Crown 36.6°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 63.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £881 GBP|Low: £503 GBP|High: £888 GBP|Avg: £684 GBP|+1.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 5, 2026
Retailer 5£503 GBP
Retailer 4£637 GBP
Retailer 2£647 GBP
Retailer 3£749 GBP
Retailer 1£881 GBP

16 data points across 5 retailers

7 retailers£647 GBP to £881 GBP

Retailer 1
-
£629 GBP
Price last confirmed 26 days ago
Retailer 2
-
£629 GBP
View
Price last confirmed 29 days ago
B+
Retailer 3
-
£647 GBP
View
Retailer 4
-
£654 GBP
View
Price last confirmed 38 days ago
Retailer 5
-
£727 GBP
View
Price last confirmed 28 days ago
B+
Retailer 6
-
£881 GBP
View
Most Expensive
NZ Jewellers
a1a74fa3-69a7-430b-a4f2-f2a94647f09c · Sep 28
£1,974 GBP
$2,657 USD
View
Price last confirmed 39 days ago
6 more retailers have this diamond
Prices start from £647 GBPSave up to £234 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.

B+
1.04ct Round
£647 GBP