Round|Natural|IGI

2.58ct I SI2 Round Natural Diamond

EX • I/SI2 • IGI 766663533

Shape and cutting style on the report: Round brilliant

Certificate IGI 766663533

Diamond specifications and retailer prices

From $9,846 USD
As of October 28, 2026
Save $6,177 USD (39%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $16,023 USD at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 2.58ct natural round diamond

This 2.58ct natural round sits in the two to three carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 766663533. Listed at 11 retailers as of October 27, 2026, with prices from $9,846 to $16,023, a $6,177 spread on the same certified stone. NZ Jewellers lists it at $16,023. 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

2.58
Carat
I
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34.7°
Pavilion angle41.2°
OriginNatural
Grading LabIGI
CertificateIGI 766663533
Dimensions8.68 × 8.74 × 5.45 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
8.68 mm8.74 mm2.58 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 766663533
Side View
Table 59.0%Crown 34.7°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.5%

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 28
Current: $16,023 USD|Low: $9,846 USD|High: $16,023 USD|Avg: $12,285 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 7$9,846 USD
Retailer 9$9,951 USD
Retailer 8$10,612 USD
Retailer 3$11,496 USD
Retailer 6$11,673 USD
Retailer 11$11,767 USD
Retailer 4$11,893 USD
Retailer 2$12,145 USD
Retailer 10$13,265 USD
Retailer 5$15,095 USD
NZ Jewellers$16,023 USD

19 data points across 11 retailers

11 retailers$9,846 USD to $16,023 USD

A
Cheapest Retailer
-
$9,846 USD
A
Retailer 2
-
$9,951 USD
View
A
Retailer 3
-
$10,612 USD
View
A
Retailer 4
-
$11,496 USD
View
A
Retailer 5
-
$11,673 USD
View
A
Retailer 6
-
$11,767 USD
View
A
Retailer 7
-
$11,893 USD
£9,364 GBP
View
A
Retailer 8
-
$12,145 USD
€11,567 EUR
View
A
Retailer 9
-
$13,265 USD
View
A
Retailer 10
-
$15,095 USD
£11,886 GBP
View
Most Expensive
B+
NZ Jewellers
c9304dba-1abe-447e-aa65-5384bd031961 · Oct 27
$16,023 USD
View
10 more retailers have this diamond
Prices start from $9,846 USDSave up to $6,177 USD

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
2.58ct Round
$9,846 USD