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Princess|Natural|IGI

1.03ct H SI1 Princess Natural Diamond

EX • H/SI1 • IGI 539239630

Shape and cutting style on the report: Princess cut

Certificate IGI 539239630

Diamond specifications and retailer prices

From £1,684 GBP
As of November 4, 2026
Save £2,213 GBP (57%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £3,897 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.03ct natural princess diamond

This 1.03ct natural princess sits in the classic one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 539239630. Listed at 15 retailers as of November 4, 2026, with prices from £1,684 to £3,897, a £2,213 spread on the same certified stone. NZ Jewellers lists it at £3,897. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.03
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryGood
FluorescenceNone
Crown angle41.4°
Pavilion angle40.7°
OriginNatural
Grading LabIGI
CertificateIGI 539239630
Dimensions5.53 × 5.43 × 4.16 mm
L/W Ratio1.02
Culet sizePointed
Top View
5.53 mm5.43 mm1.03 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryGood
FluorescenceNone
CertificateIGI 539239630
Side View
Table 66.5%Crown 41.4°Girdle: MediumPavilion 40.7°Culet: NoneDepth 76.6%

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: Nov 4
Current: £3,897 GBP|Low: £1,684 GBP|High: £5,249 GBP|Avg: £2,371 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 6, 2026
Retailer 4£1,684 GBP
Retailer 13£1,685 GBP
Retailer 5£1,721 GBP
Retailer 2£1,808 GBP
Retailer 14£1,864 GBP
Retailer 16£1,864 GBP
Retailer 15£1,950 GBP
Retailer 7£1,969 GBP
Retailer 10£1,995 GBP
Retailer 6£2,129 GBP
Retailer 3£2,150 GBP
Retailer 11£2,275 GBP
Retailer 9£2,315 GBP
Retailer 12£3,256 GBP
NZ Jewellers£3,897 GBP
Retailer 8£5,249 GBP

26 data points across 16 retailers

15 retailers£1,684 GBP to £3,897 GBP

B+
Cheapest Retailer
-
£1,684 GBP
B+
Retailer 2
-
£1,685 GBP
View
B+
Retailer 3
-
£1,721 GBP
View
Final sale: no returns
B+
Retailer 4
-
£1,808 GBP
View
B
Retailer 5
-
£1,864 GBP
View
Retailer 6
-
£1,864 GBP
View
Price last confirmed 8 days ago
B+
Retailer 7
-
£1,950 GBP
View
B+
Retailer 8
-
£1,969 GBP
View
B+
Retailer 9
-
£1,995 GBP
View
B
Retailer 10
-
£2,129 GBP
View
B
Retailer 11
-
£2,150 GBP
View
B
Retailer 12
-
£2,275 GBP
View
B
Retailer 13
-
£2,315 GBP
View
B
Retailer 14
-
£3,256 GBP
View
Most Expensive
C
NZ Jewellers
110a2ca4-e52c-4f91-8f18-4e8bf1be475f · Nov 5
£3,897 GBP
$5,216 USD
View
14 more retailers have this diamond
Prices start from £1,684 GBPSave up to £2,213 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+
1.03ct Princess
£1,684 GBP