Round|Natural|IGI

1.30ct K SI1 Round Natural Diamond

EX • K/SI1 • IGI 803680527

Shape and cutting style on the report: Round brilliant

Certificate IGI 803680527

Diamond specifications and retailer prices

From €1,466 EUR
As of November 1, 2026
Save €2,604 EUR (64%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €4,070 EUR at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.3ct natural round diamond

This 1.3ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 803680527. Listed at 16 retailers as of November 1, 2026, with prices from €1,466 to €4,070, a €2,604 spread on the same certified stone. NZ Jewellers lists it at €4,070. 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

1.30
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle41.4°
OriginNatural
Grading LabIGI
CertificateIGI 803680527
Dimensions6.88 × 6.94 × 4.34 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.88 mm6.94 mm1.30 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 803680527
Side View
Table 58.0%Crown 34.1°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.9%

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 1
Current: €4,070 EUR|Low: €1,466 EUR|High: €4,070 EUR|Avg: €2,004 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 6, 2026
Retailer 6€1,466 EUR
Retailer 7€1,520 EUR
Retailer 2€1,597 EUR
Retailer 8€1,626 EUR
Retailer 14€1,669 EUR
Retailer 16€1,669 EUR
Retailer 4€1,715 EUR
Retailer 15€1,745 EUR
Retailer 5€1,791 EUR
Retailer 9€1,821 EUR
Retailer 3€1,925 EUR
Retailer 10€1,934 EUR
Retailer 11€2,036 EUR
Retailer 12€2,264 EUR
Retailer 13€2,915 EUR
NZ Jewellers€4,070 EUR

21 data points across 16 retailers

16 retailers€1,466 EUR to €4,070 EUR

A
Cheapest Retailer
-
€1,466 EUR
A
Retailer 2
-
€1,520 EUR
View
A
Retailer 3
-
€1,597 EUR
View
A
Retailer 4
-
€1,626 EUR
View
Retailer 5
-
€1,669 EUR
View
Price last confirmed 8 days ago
A
Retailer 6
-
€1,669 EUR
View
A
Retailer 7
-
€1,715 EUR
View
A
Retailer 8
-
€1,745 EUR
View
A
Retailer 9
-
€1,791 EUR
View
A
Retailer 10
-
€1,821 EUR
View
A
Retailer 11
-
€1,925 EUR
View
A
Retailer 12
-
€1,934 EUR
View
A
Retailer 13
-
€2,036 EUR
View
B+
Retailer 14
-
€2,264 EUR
View
B+
Retailer 15
-
€2,915 EUR
View
Most Expensive
B
NZ Jewellers
3006bd38-023d-4a74-ae31-328dbbbb3290 · Nov 5
€4,070 EUR
$4,568 USD
View
15 more retailers have this diamond
Prices start from €1,466 EURSave up to €2,604 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
1.30ct Round
€1,466 EUR