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Round|Natural|IGI

1.03ct F SI2 Round Natural Diamond

EX • F/SI2 • IGI 713504294

Shape and cutting style on the report: Round brilliant

Certificate IGI 713504294

Diamond specifications and retailer prices

From £1,233 GBP
As of November 4, 2026
Save £2,067 GBP (63%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £3,299 GBP at NZ Jewellers · As of October 27, 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 F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 713504294. Listed at 16 retailers as of November 4, 2026, with a 168% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41°
OriginNatural
Grading LabIGI
CertificateIGI 713504294
Dimensions6.52 × 6.46 × 4.00 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
6.52 mm6.46 mm1.03 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 713504294
Side View
Table 58.0%Crown 34.5°Girdle: MediumPavilion 41°Culet: NoneDepth 61.7%

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 4
Current: £1,843 GBP|Low: £1,145 GBP|High: £2,580 GBP|Avg: £1,635 GBP|+2.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 2£1,233 GBP
Retailer 5£1,248 GBP
Retailer 4£1,251 GBP
Retailer 7£1,353 GBP
Retailer 6£1,417 GBP
Retailer 8£1,455 GBP
Retailer 9£1,609 GBP
Retailer 1£1,843 GBP
Retailer 3£2,363 GBP
Retailer 10£2,580 GBP

24 data points across 10 retailers

16 retailers£1,233 GBP to £3,299 GBP

A
Cheapest Retailer
-
£1,233 GBP
A
Retailer 2
-
£1,248 GBP
View
Final sale: no returns
A
Retailer 3
-
£1,251 GBP
View
Retailer 4
-
£1,353 GBP
View
Price last confirmed 54 days ago
Retailer 5
-
£1,353 GBP
View
Price last confirmed 9 days ago
Retailer 6
-
£1,353 GBP
View
Price last confirmed 9 days ago
Retailer 7
-
£1,415 GBP
View
Price last confirmed 9 days ago
A
Retailer 8
-
£1,417 GBP
View
A
Retailer 9
-
£1,455 GBP
View
Retailer 10
-
£1,561 GBP
View
Price last confirmed 54 days ago
Retailer 11
-
£1,561 GBP
View
Price last confirmed 11 days ago
A
Retailer 12
-
£1,843 GBP
View
B+
Retailer 13
-
£2,363 GBP
View
Retailer 14
-
£3,299 GBP
View
Price last confirmed 53 days ago
B
Retailer 15
-
£3,299 GBP
View
Most Expensive
NZ Jewellers
251d70f0-a206-4cd6-86f5-9b4f1f7b517e · Oct 27
£3,299 GBP
$4,416 USD
View
Price last confirmed 11 days ago
15 more retailers have this diamond
Prices start from £1,233 GBPSave up to £2,067 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
£1,233 GBP