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Round|Natural|IGI

2.50ct K SI2 Round Natural Diamond

EX • K/SI2 • IGI 827606478

Shape and cutting style on the report: Round brilliant

Certificate IGI 827606478

Diamond specifications and retailer prices

From $9,985 NZD
As of November 1, 2026
Save $9,165 NZD (48%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $19,150 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 2.5ct natural round diamond

This 2.5ct natural round sits in the two to three carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 827606478. Listed at 12 retailers as of November 1, 2026, with prices from $9,985 to $19,150, a $9,165 spread on the same certified stone. NZ Jewellers lists it at $19,150. 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

2.50
Carat
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.2°
OriginNatural
Grading LabIGI
CertificateIGI 827606478
Dimensions8.66 × 8.70 × 5.24 mm
L/W Ratio1.00
Girdle conditionPARTLY FACETED
Top View
8.66 mm8.70 mm2.50 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 827606478
Side View
Table 60.0%Crown 35.4°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 60.4%

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: Nov 1
Current: $19,150 NZD|Low: $9,368 NZD|High: $19,150 NZD|Avg: $12,455 NZD|+3.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 4$9,985 NZD
Retailer 3$10,051 NZD
Retailer 12$10,086 NZD
Retailer 8$11,451 NZD
Retailer 9$11,451 NZD
Retailer 10$11,451 NZD
Retailer 11$11,730 NZD
Retailer 5$12,413 NZD
Retailer 7$13,212 NZD
Retailer 2$13,601 NZD
Retailer 6$16,869 NZD
NZ Jewellers$19,150 NZD

36 data points across 12 retailers

12 retailers$9,985 NZD to $19,150 NZD

A
Cheapest Retailer
-
$9,985 NZD
A
Retailer 2
-
$10,051 NZD
View
A
Retailer 3
-
$10,086 NZD
View
Retailer 4
-
$11,451 NZD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$11,451 NZD
View
A
Retailer 6
-
$11,451 NZD
View
A
Retailer 7
-
$11,730 NZD
View
A
Retailer 8
-
$12,413 NZD
View
B+
Retailer 9
-
$13,212 NZD
View
A
Retailer 10
-
$13,601 NZD
View
B+
Retailer 11
-
$16,869 NZD
View
Most Expensive
B+
NZ Jewellers
ad6c1acc-07ea-4f68-a7e7-bc6d873da663 · Nov 5
$19,150 NZD
$10,765 USD
View
11 more retailers have this diamond
Prices start from $9,985 NZDSave up to $9,165 NZD

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
2.50ct Round
$9,985 NZD