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1.13ct I SI1 Round Natural Diamond

EX • I/SI1 • IGI 670479172

Shape and cutting style on the report: Round brilliant

Certificate IGI 670479172

Diamond specifications and retailer prices

From €2,146 EUR
$2,397 USD
As of October 30, 2026
Save €2,862 EUR (57%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €5,008 EUR at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.13ct natural round diamond

This 1.13ct natural round sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 670479172. Listed at 14 retailers as of October 30, 2026, with prices from €2,146 to €5,008, a €2,862 spread on the same certified stone. NZ Jewellers lists it at €5,008. 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

1.13
Carat
I
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.7°
OriginNatural
Grading LabIGI
CertificateIGI 670479172
Dimensions6.62 × 6.59 × 4.15 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
6.62 mm6.59 mm1.13 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 670479172
Side View
Table 56.0%Crown 35.1°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.8%

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: Oct 30
Current: €2,944 EUR|Low: €1,842 EUR|High: €4,146 EUR|Avg: €2,714 EUR|+3.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 6€2,211 EUR
Retailer 4€2,256 EUR
Retailer 8€2,359 EUR
Retailer 7€2,487 EUR
Retailer 2€2,591 EUR
Retailer 3€2,809 EUR
Retailer 1€2,944 EUR
Retailer 5€4,118 EUR

42 data points across 8 retailers

14 retailers€2,146 EUR to €5,008 EUR

A
Cheapest Retailer
-
€2,146 EUR
$2,397 USD
A
Retailer 2
-
€2,211 EUR
$2,470 USD
View
Final sale: no returns
A
Retailer 3
-
€2,256 EUR
£1,985 GBP
View
B+
Retailer 4
-
€2,359 EUR
$2,635 USD
View
B+
Retailer 5
-
€2,395 EUR
$2,676 USD
View
B+
Retailer 6
-
€2,395 EUR
$2,676 USD
View
B+
Retailer 7
-
€2,487 EUR
$2,779 USD
View
B+
Retailer 8
-
€2,522 EUR
$2,817 USD
View
B+
Retailer 9
-
€2,591 EUR
£2,279 GBP
View
B+
Retailer 10
-
€2,764 EUR
$3,088 USD
View
B+
Retailer 11
-
€2,809 EUR
View
B+
Retailer 12
-
€2,944 EUR
ZAR 53,139 ZAR
View
B
Retailer 13
-
€4,118 EUR
£3,623 GBP
View
Most Expensive
B
NZ Jewellers
a83b745a-ace1-4dc3-96ed-a9fd331a57d1 · Oct 30
€5,008 EUR
$5,595 USD
View
13 more retailers have this diamond
Prices start from €2,146 EURSave up to €2,862 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
1.13ct Round
€2,146 EUR