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Round|Natural|IGI

2.50ct K IF Round Natural Diamond

EX • K/IF • IGI 581306178

Shape and cutting style on the report: Round brilliant

Certificate IGI 581306178

Diamond specifications and retailer prices

From $19,168 NZD
As of November 1, 2026
Save $12,484 NZD (39%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $31,652 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 581306178. Listed at 18 retailers as of November 1, 2026, with prices from $19,168 to $31,652, a $12,484 spread on the same certified stone. NZ Jewellers lists it at $31,652. At this carat range, natural pricing varies dramatically across retailers, so the cross-retailer spread on this exact stone is your single best indicator of fair price.

The 4Cs

2.50
Carat
K
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.8°
OriginNatural
Grading LabIGI
CertificateIGI 581306178
Dimensions8.57 × 8.50 × 5.43 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
8.57 mm8.50 mm2.50 ctK / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 581306178
Side View
Table 57.0%Crown 36.4°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 63.6%

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: $31,652 NZD|Low: $15,943 NZD|High: $31,652 NZD|Avg: $21,574 NZD|+8.6%
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
Retailer 17
Retailer 18
November 6, 2026
Retailer 7$15,943 NZD
Retailer 9$18,831 NZD
Retailer 16$19,168 NZD
Retailer 10$19,310 NZD
Retailer 6$19,450 NZD
Retailer 17$19,587 NZD
Retailer 12$20,347 NZD
Retailer 4$20,653 NZD
Retailer 8$21,169 NZD
Retailer 3$22,526 NZD
Retailer 18$22,709 NZD
Retailer 15$23,060 NZD
Retailer 13$23,773 NZD
Retailer 2$23,980 NZD
Retailer 11$26,077 NZD
Retailer 5$26,203 NZD
Retailer 14$29,580 NZD
NZ Jewellers$31,652 NZD

27 data points across 18 retailers

18 retailers$19,168 NZD to $31,652 NZD

Retailer 1
-
$15,943 NZD
Price last confirmed 15 days ago
Retailer 2
-
$18,831 NZD
View
Price last confirmed 10 days ago
A
Retailer 3
-
$19,168 NZD
View
Retailer 4
-
$19,310 NZD
View
Price last confirmed 25 days ago
A
Retailer 5
-
$19,450 NZD
View
A
Retailer 6
-
$19,587 NZD
View
A
Retailer 7
-
$20,347 NZD
View
A
Retailer 8
-
$20,653 NZD
View
Retailer 9
-
$21,169 NZD
View
Price last confirmed 23 days ago
A
Retailer 10
-
$22,526 NZD
View
A
Retailer 11
-
$22,709 NZD
View
A
Retailer 12
-
$23,060 NZD
View
A
Retailer 13
-
$23,773 NZD
View
A
Retailer 14
-
$23,980 NZD
View
B+
Retailer 15
-
$26,077 NZD
View
A
Retailer 16
-
$26,203 NZD
View
B+
Retailer 17
-
$29,580 NZD
View
Most Expensive
B+
NZ Jewellers
f0009b4b-5cb1-4889-9247-c138f78a67ad · Nov 5
$31,652 NZD
$17,793 USD
View
17 more retailers have this diamond
Prices start from $19,168 NZDSave up to $12,484 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
$19,168 NZD