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1.01ct K SI1 Round Natural Diamond

EX • K/SI1 • IGI 754512411

Shape and cutting style on the report: Round brilliant

Certificate IGI 754512411

Diamond specifications and retailer prices

From €1,024 EUR
As of November 6, 2026
Save €2,185 EUR (68%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €3,208 EUR at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.01ct natural round diamond

This 1.01ct natural round sits in the classic one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 754512411. Listed at 20 retailers as of November 5, 2026, with prices from €1,024 to €3,208, a €2,185 spread on the same certified stone. NZ Jewellers lists it at €3,208. 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

1.01
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.1°
Pavilion angle41.6°
OriginNatural
Grading LabIGI
CertificateIGI 754512411
Dimensions6.47 × 6.49 × 3.94 mm
L/W Ratio1.00
Girdle conditionFaceted
Top View
6.47 mm6.49 mm1.01 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 754512411
Side View
Table 59.0%Crown 32.1°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 60.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: €3,208 EUR|Low: €1,024 EUR|High: €3,208 EUR|Avg: €1,547 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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 6, 2026
Retailer 2€1,024 EUR
Retailer 10€1,164 EUR
Retailer 9€1,219 EUR
Retailer 16€1,250 EUR
Retailer 13€1,258 EUR
Retailer 4€1,315 EUR
Retailer 7€1,315 EUR
Retailer 19€1,365 EUR
Retailer 6€1,376 EUR
Retailer 20€1,402 EUR
Retailer 3€1,437 EUR
Retailer 8€1,440 EUR
Retailer 14€1,460 EUR
Retailer 11€1,517 EUR
Retailer 15€1,541 EUR
Retailer 17€1,605 EUR
Retailer 18€1,769 EUR
Retailer 12€1,968 EUR
Retailer 5€2,316 EUR
NZ Jewellers€3,208 EUR

24 data points across 20 retailers

20 retailers€1,024 EUR to €3,208 EUR

A
Cheapest Retailer
-
€1,024 EUR
A
Retailer 2
-
€1,164 EUR
View
A
Retailer 3
-
€1,219 EUR
View
A
Retailer 4
-
€1,250 EUR
View
A
Retailer 5
-
€1,258 EUR
View
B+
Retailer 6
-
€1,315 EUR
View
Retailer 7
-
€1,315 EUR
View
Price last confirmed 8 days ago
A
Retailer 8
-
€1,365 EUR
View
B+
Retailer 9
-
€1,376 EUR
View
B+
Retailer 10
-
€1,402 EUR
View
B+
Retailer 11
-
€1,437 EUR
View
B+
Retailer 12
-
€1,440 EUR
View
A
Retailer 13
-
€1,460 EUR
View
B+
Retailer 14
-
€1,517 EUR
View
A
Retailer 15
-
€1,541 EUR
View
B+
Retailer 16
-
€1,605 EUR
View
B+
Retailer 17
-
€1,769 EUR
View
B
Retailer 18
-
€1,968 EUR
View
Retailer 19
-
€2,316 EUR
View
Price last confirmed 8 days ago
Most Expensive
C
NZ Jewellers
7026b706-70dc-4fa0-bdf0-ca6f9984962b · Nov 5
€3,208 EUR
$3,582 USD
View
19 more retailers have this diamond
Prices start from €1,024 EURSave up to €2,185 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
1.01ct Round
€1,024 EUR