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 $12,587 SGD
$9,846 USD
As of October 30, 2026
Save $7,897 SGD (39%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $20,484 SGD at NZ Jewellers · As of October 30, 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 30, 2026, with prices from $12,587 to $20,484, a $7,897 spread on the same certified stone. NZ Jewellers lists it at $20,484. 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
Colour
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 30
Current: $20,484 SGD|Low: $12,587 SGD|High: $20,484 SGD|Avg: $15,696 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 7$12,587 SGD
Retailer 9$12,721 SGD
Retailer 8$13,566 SGD
Retailer 3$14,696 SGD
Retailer 6$14,923 SGD
Retailer 11$15,043 SGD
Retailer 2$15,161 SGD
Retailer 4$15,527 SGD
Retailer 10$16,958 SGD
Retailer 5$19,298 SGD
NZ Jewellers$20,484 SGD

20 data points across 11 retailers

11 retailers$12,587 SGD to $20,484 SGD

A
Cheapest Retailer
-
$12,587 SGD
$9,846 USD
A
Retailer 2
-
$12,721 SGD
$9,951 USD
View
A
Retailer 3
-
$13,566 SGD
$10,612 USD
View
A
Retailer 4
-
$14,696 SGD
$11,496 USD
View
A
Retailer 5
-
$14,923 SGD
$11,673 USD
View
A
Retailer 6
-
$15,043 SGD
$11,767 USD
View
A
Retailer 7
-
$15,161 SGD
£9,338 GBP
View
A
Retailer 8
-
$15,527 SGD
€11,567 EUR
View
A
Retailer 9
-
$16,958 SGD
$13,265 USD
View
A
Retailer 10
-
$19,298 SGD
£11,886 GBP
View
Most Expensive
B+
NZ Jewellers
c9304dba-1abe-447e-aa65-5384bd031961 · Oct 30
$20,484 SGD
$16,023 USD
View
10 more retailers have this diamond
Prices start from $12,587 SGDSave up to $7,897 SGD

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
$12,587 SGD