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Round|Natural|IGI

2.59ct K SI1 Round Natural Diamond

EX • K/SI1 • IGI 623473359

Shape and cutting style on the report: Round brilliant

Certificate IGI 623473359

Diamond specifications and retailer prices

From €7,653 EUR
As of November 1, 2026
Save €5,068 EUR (40%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €12,721 EUR at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 2.59ct natural round diamond

This 2.59ct natural round sits in the two to three carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 623473359. Listed at 16 retailers as of November 1, 2026, with prices from €7,653 to €12,721, a €5,068 spread on the same certified stone. NZ Jewellers lists it at €12,721. 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

2.59
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle41°
OriginNatural
Grading LabIGI
CertificateIGI 623473359
Dimensions8.77 × 8.73 × 5.44 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
8.77 mm8.73 mm2.59 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 623473359
Side View
Table 58.0%Crown 35.8°Girdle: MediumPavilion 41°Culet: NoneDepth 62.2%

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: €12,721 EUR|Low: €7,599 EUR|High: €14,980 EUR|Avg: €9,550 EUR|-4.0%
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
November 6, 2026
Retailer 7€7,653 EUR
Retailer 5€7,671 EUR
Retailer 14€7,888 EUR
Retailer 6€8,267 EUR
Retailer 8€8,319 EUR
Retailer 13€8,348 EUR
Retailer 2€8,734 EUR
Retailer 15€9,127 EUR
Retailer 3€9,268 EUR
Retailer 12€9,335 EUR
Retailer 10€9,555 EUR
Retailer 9€10,480 EUR
Retailer 4€10,531 EUR
Retailer 11€11,888 EUR
NZ Jewellers€12,721 EUR

21 data points across 15 retailers

16 retailers€7,653 EUR to €12,721 EUR

A
Cheapest Retailer
-
€7,653 EUR
A
Retailer 2
-
€7,671 EUR
View
A
Retailer 3
-
€7,888 EUR
View
Retailer 4
-
€8,267 EUR
View
Price last confirmed 8 days ago
A
Retailer 5
-
€8,319 EUR
View
A
Retailer 6
-
€8,348 EUR
View
A
Retailer 7
-
€8,734 EUR
View
Retailer 8
-
€8,959 EUR
View
Price last confirmed 11 days ago
A
Retailer 9
-
€9,127 EUR
View
A
Retailer 10
-
€9,268 EUR
View
A
Retailer 11
-
€9,335 EUR
View
A
Retailer 12
-
€9,555 EUR
View
A
Retailer 13
-
€10,480 EUR
View
A
Retailer 14
-
€10,531 EUR
View
B+
Retailer 15
-
€11,888 EUR
View
Most Expensive
B+
NZ Jewellers
d94aae01-ede9-4fba-945c-ab6c06e8b425 · Nov 5
€12,721 EUR
$14,278 USD
View
15 more retailers have this diamond
Prices start from €7,653 EURSave up to €5,068 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
2.59ct Round
€7,653 EUR