Round|Natural|IGI

1.03ct I VS1 Round Natural Diamond

EX • I/VS1 • IGI 833650913

Shape and cutting style on the report: Round brilliant

Certificate IGI 833650913

Diamond specifications and retailer prices

From £1,559 GBP
As of November 4, 2026
Save £2,050 GBP (57%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £3,608 GBP at NZ Jewellers · As of November 2, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI 833650913. Listed at 16 retailers as of November 2, 2026, with prices from £1,559 to £3,608, a £2,050 spread on the same certified stone. NZ Jewellers lists it at £3,608. 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
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle41.8°
OriginNatural
Grading LabIGI
CertificateIGI 833650913
Dimensions6.57 × 6.66 × 3.92 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.57 mm6.66 mm1.03 ctI / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 833650913
Side View
Table 62.0%Crown 32.6°Girdle: MED-THKPavilion 41.8°Culet: NoneDepth 59.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £3,608 GBP|Low: £1,559 GBP|High: £3,608 GBP|Avg: £1,998 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 4, 2026
Retailer 8£1,559 GBP
Retailer 14£1,593 GBP
Retailer 10£1,611 GBP
Retailer 5£1,676 GBP
Retailer 4£1,726 GBP
Retailer 7£1,726 GBP
Retailer 16£1,726 GBP
Retailer 15£1,806 GBP
Retailer 6£1,815 GBP
Retailer 11£1,897 GBP
Retailer 9£1,961 GBP
Retailer 3£1,991 GBP
Retailer 13£2,121 GBP
Retailer 12£2,150 GBP
Retailer 2£3,016 GBP
NZ Jewellers£3,608 GBP

30 data points across 16 retailers

16 retailers£1,559 GBP to £3,608 GBP

A
Cheapest Retailer
-
£1,559 GBP
A
Retailer 2
-
£1,593 GBP
View
Final sale: no returns
A
Retailer 3
-
£1,611 GBP
View
A
Retailer 4
-
£1,676 GBP
View
A
Retailer 5
-
£1,726 GBP
View
A
Retailer 6
-
£1,726 GBP
View
Retailer 7
-
£1,726 GBP
View
Price last confirmed 20 days ago
A
Retailer 8
-
£1,806 GBP
View
A
Retailer 9
-
£1,815 GBP
View
A
Retailer 10
-
£1,897 GBP
View
A
Retailer 11
-
£1,961 GBP
View
A
Retailer 12
-
£1,991 GBP
View
A
Retailer 13
-
£2,121 GBP
View
A
Retailer 14
-
£2,150 GBP
View
B+
Retailer 15
-
£3,016 GBP
View
Most Expensive
B
NZ Jewellers
0ccc8094-9067-4947-b391-df4ca3d3d050 · Nov 2
£3,608 GBP
$4,871 USD
View
15 more retailers have this diamond
Prices start from £1,559 GBPSave up to £2,050 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
£1,559 GBP