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Round|Natural|IGI

0.80ct K I1 Round Natural Diamond

EX • K/I1 • IGI 555278013

Shape and cutting style on the report: Round brilliant

Certificate IGI 555278013

Diamond specifications and retailer prices

From £359 GBP
As of November 5, 2026
Save £1,016 GBP (74%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £1,375 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.8ct natural round diamond

This 0.8ct natural round sits in the just-under-one-carat band, graded K colour (faint-tinted) and I1 clarity (included), with a top-tier cut grade and certified by IGI 555278013. Listed at 7 retailers as of November 5, 2026, with prices from £359 to £1,375, a £1,016 spread on the same certified stone. NZ Jewellers lists it at £1,375. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.80
Carat
K
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.3°
Pavilion angle40.9°
OriginNatural
Grading LabIGI
CertificateIGI 555278013
Dimensions5.83 × 5.87 × 3.71 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
5.83 mm5.87 mm0.80 ctK / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 555278013
Side View
Table 58.0%Crown 36.3°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 63.4%

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: £1,375 GBP|Low: £359 GBP|High: £1,375 GBP|Avg: £548 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 6£359 GBP
Retailer 3£386 GBP
Retailer 8£386 GBP
Retailer 5£397 GBP
Retailer 7£414 GBP
Retailer 4£505 GBP
Retailer 9£516 GBP
Retailer 2£536 GBP
NZ Jewellers£1,375 GBP

16 data points across 9 retailers

7 retailers£359 GBP to £1,375 GBP

A
Cheapest Retailer
-
£359 GBP
Retailer 2
-
£386 GBP
View
Price last confirmed 8 days ago
B+
Retailer 3
-
£386 GBP
View
B+
Retailer 4
-
£414 GBP
View
B+
Retailer 5
-
£505 GBP
View
B+
Retailer 6
-
£536 GBP
View
Most Expensive
C
NZ Jewellers
807dfd32-f3f5-4edb-a092-57a2483a9d72 · Nov 5
£1,375 GBP
$1,850 USD
View
6 more retailers have this diamond
Prices start from £359 GBPSave up to £1,016 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
0.80ct Round
£359 GBP