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Round|Natural|IGI

1.01ct J I1 Round Natural Diamond

EX • J/I1 • IGI 536297867

Shape and cutting style on the report: Round brilliant

Certificate IGI 536297867

Diamond specifications and retailer prices

From £797 GBP
$1,068 USD
As of October 30, 2026
Save £1,233 GBP (61%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £2,030 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.01ct natural round diamond

This 1.01ct natural round sits in the classic one-carat band, graded J colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by IGI 536297867. Listed at 9 retailers as of October 30, 2026, with prices from £797 to £2,030, a £1,233 spread on the same certified stone. NZ Jewellers lists it at £2,030. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.01
Carat
J
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle41.2°
OriginNatural
Grading LabIGI
CertificateIGI 536297867
Dimensions6.40 × 6.44 × 3.99 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
6.40 mm6.44 mm1.01 ctJ / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 536297867
Side View
Table 58.0%Crown 34.6°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.1%

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: Oct 30
Current: £1,166 GBP|Low: £797 GBP|High: £1,204 GBP|Avg: £1,005 GBP|+3.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 29, 2026
Retailer 4£797 GBP
Retailer 2£881 GBP
Retailer 3£990 GBP
Retailer 1£1,166 GBP
Retailer 5£1,204 GBP

18 data points across 5 retailers

9 retailers£797 GBP to £2,030 GBP

A
Cheapest Retailer
-
£797 GBP
$1,068 USD
B+
Retailer 2
-
£832 GBP
$1,115 USD
View
B+
Retailer 3
-
£832 GBP
$1,115 USD
View
B+
Retailer 4
-
£864 GBP
$1,158 USD
View
B+
Retailer 5
-
£881 GBP
$1,181 USD
View
B+
Retailer 6
-
£961 GBP
$1,287 USD
View
B+
Retailer 7
-
£1,166 GBP
€1,488 EUR
View
B+
Retailer 8
-
£1,204 GBP
$1,613 USD
View
Most Expensive
C
NZ Jewellers
610bf7b0-965d-4bad-8fa4-73b48633e40c · Oct 30
£2,030 GBP
$2,720 USD
View
8 more retailers have this diamond
Prices start from £797 GBPSave up to £1,233 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
1.01ct Round
£797 GBP