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1.03ct I SI2 Round Natural Diamond

EX • I/SI2 • IGI 530289660

Shape and cutting style on the report: Round brilliant

Certificate IGI 530289660

Diamond specifications and retailer prices

From €1,035 EUR
As of November 4, 2026
Save €1,700 EUR (62%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €2,735 EUR at NZ Jewellers · As of November 5, 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 530289660. Listed at 11 retailers as of November 4, 2026, with prices from €1,035 to €2,735, a €1,700 spread on the same certified stone. NZ Jewellers lists it at €2,735. 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
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
Crown angle36.1°
Pavilion angle41.2°
OriginNatural
Grading LabIGI
CertificateIGI 530289660
Dimensions6.33 × 6.38 × 4.03 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
undefined
Top View
6.33 mm6.38 mm1.03 ctI / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateIGI 530289660
Side View
Table 59.5%Crown 36.1°Girdle: UNDPavilion 41.2°Culet: NoneDepth 63.4%

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 4
Current: €2,735 EUR|Low: €862 EUR|High: €2,994 EUR|Avg: €1,402 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
November 5, 2026
Retailer 11€1,035 EUR
Retailer 6€1,074 EUR
Retailer 3€1,122 EUR
Retailer 14€1,122 EUR
Retailer 12€1,164 EUR
Retailer 4€1,185 EUR
Retailer 13€1,191 EUR
Retailer 10€1,241 EUR
Retailer 9€1,294 EUR
Retailer 5€1,334 EUR
Retailer 2€1,476 EUR
Retailer 7€1,589 EUR
Retailer 8€2,047 EUR
NZ Jewellers€2,735 EUR

29 data points across 14 retailers

11 retailers€1,035 EUR to €2,735 EUR

A
Cheapest Retailer
-
€1,035 EUR
Final sale: no returns
A
Retailer 2
-
€1,122 EUR
View
Retailer 3
-
€1,122 EUR
View
Price last confirmed 8 days ago
A
Retailer 4
-
€1,164 EUR
View
B+
Retailer 5
-
€1,191 EUR
View
A
Retailer 6
-
€1,241 EUR
View
A
Retailer 7
-
€1,294 EUR
View
A
Retailer 8
-
€1,476 EUR
View
B+
Retailer 9
-
€1,589 EUR
View
B+
Retailer 10
-
€2,047 EUR
View
Most Expensive
B
NZ Jewellers
775f44b5-3c46-4a1b-9b70-505a2bea8f94 · Nov 5
€2,735 EUR
$3,070 USD
View
10 more retailers have this diamond
Prices start from €1,035 EURSave up to €1,700 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
€1,035 EUR