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Round|Natural|IGI

1.03ct I I1 Round Natural Diamond

EX • I/I1 • IGI 700528896

Shape and cutting style on the report: Round brilliant

Certificate IGI 700528896

Diamond specifications and retailer prices

From £837 GBP
$1,121 USD
As of November 1, 2026
Save £1,292 GBP (61%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £2,129 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.03ct natural round diamond

This 1.03ct natural round sits in the classic one-carat band, graded I colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by IGI 700528896. Listed at 8 retailers as of October 30, 2026, with prices from £837 to £2,129, a £1,292 spread on the same certified stone. NZ Jewellers lists it at £2,129. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
I
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle33.6°
Pavilion angle40.1°
OriginNatural
Grading LabIGI
CertificateIGI 700528896
Dimensions6.41 × 6.48 × 4.02 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
6.41 mm6.48 mm1.03 ctI / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 700528896
Side View
Table 52.0%Crown 33.6°Girdle: Slightly ThickPavilion 40.1°Culet: NoneDepth 62.4%

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 1
Current: £2,129 GBP|Low: £671 GBP|High: £2,129 GBP|Avg: £1,069 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 9£671 GBP
Retailer 8£837 GBP
Retailer 4£872 GBP
Retailer 7£872 GBP
Retailer 5£906 GBP
Retailer 3£907 GBP
Retailer 6£1,007 GBP
Retailer 2£1,216 GBP
NZ Jewellers£2,129 GBP

9 data points across 9 retailers

8 retailers£837 GBP to £2,129 GBP

A
Cheapest Retailer
-
£837 GBP
$1,121 USD
A
Retailer 2
-
£872 GBP
$1,169 USD
View
A
Retailer 3
-
£872 GBP
$1,169 USD
View
B+
Retailer 4
-
£906 GBP
$1,214 USD
View
B+
Retailer 5
-
£907 GBP
$1,215 USD
View
B+
Retailer 6
-
£1,007 GBP
$1,349 USD
View
B+
Retailer 7
-
£1,216 GBP
€1,552 EUR
View
Most Expensive
B
NZ Jewellers
27127a5b-9115-4b8b-9c43-d8be1bc48909 · Oct 30
£2,129 GBP
$2,852 USD
View
7 more retailers have this diamond
Prices start from £837 GBPSave up to £1,292 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
1.03ct Round
£837 GBP