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1.03ct F SI1 Round Natural Diamond

EX • F/SI1 • IGI 801639013

Shape and cutting style on the report: Round brilliant

Certificate IGI 801639013

Diamond specifications and retailer prices

From €1,770 EUR
$1,985 USD
As of November 1, 2026
Save €2,448 EUR (58%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €4,218 EUR 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 801639013. Listed at 16 retailers as of November 1, 2026, with prices from €1,770 to €4,218, a €2,448 spread on the same certified stone. NZ Jewellers lists it at €4,218. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.1°
Pavilion angle41°
OriginNatural
Grading LabIGI
CertificateIGI 801639013
Dimensions6.40 × 6.43 × 4.04 mm
L/W Ratio1.00
Girdle conditionFaceted
Top View
6.40 mm6.43 mm1.03 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 801639013
Side View
Table 56.0%Crown 35.1°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.0%

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: €4,218 EUR|Low: €1,770 EUR|High: €4,218 EUR|Avg: €2,357 EUR
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 2, 2026
Retailer 6€1,770 EUR
Retailer 5€1,822 EUR
Retailer 7€1,862 EUR
Retailer 3€1,909 EUR
Retailer 2€1,941 EUR
Retailer 4€2,018 EUR
Retailer 14€2,018 EUR
Retailer 15€2,024 EUR
Retailer 16€2,110 EUR
Retailer 13€2,142 EUR
Retailer 9€2,240 EUR
Retailer 8€2,328 EUR
Retailer 12€2,480 EUR
Retailer 10€2,509 EUR
Retailer 11€3,535 EUR
NZ Jewellers€4,218 EUR

8 data points across 16 retailers

16 retailers€1,770 EUR to €4,218 EUR

A
Cheapest Retailer
-
€1,770 EUR
$1,985 USD
A
Retailer 2
-
€1,822 EUR
$2,044 USD
View
A
Retailer 3
-
€1,862 EUR
$2,088 USD
View
Final sale: no returns
A
Retailer 4
-
€1,909 EUR
$2,141 USD
View
A
Retailer 5
-
€1,941 EUR
£1,714 GBP
View
A
Retailer 6
-
€2,018 EUR
$2,263 USD
View
A
Retailer 7
-
€2,018 EUR
$2,263 USD
View
A
Retailer 8
-
€2,024 EUR
$2,270 USD
View
A
Retailer 9
-
€2,110 EUR
$2,367 USD
View
A
Retailer 10
-
€2,142 EUR
$2,402 USD
View
A
Retailer 11
-
€2,240 EUR
£1,978 GBP
View
B+
Retailer 12
-
€2,328 EUR
$2,611 USD
View
B+
Retailer 13
-
€2,480 EUR
ZAR 44,933 ZAR
View
B+
Retailer 14
-
€2,509 EUR
View
B+
Retailer 15
-
€3,535 EUR
£3,122 GBP
View
Most Expensive
B
NZ Jewellers
e1337ce9-913f-49c0-85d2-36b6ab1b47f3 · Nov 2
€4,218 EUR
$4,731 USD
View
15 more retailers have this diamond
Prices start from €1,770 EURSave up to €2,448 EUR

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
€1,770 EUR