Round|Natural|IGI

2.50ct J SI2 Round Natural Diamond

EX • J/SI2 • IGI 761525700

Shape and cutting style on the report: Round brilliant

Certificate IGI 761525700

Diamond specifications and retailer prices

From $9,805 NZD
$5,526 USD
As of October 30, 2026
Save $6,848 NZD (41%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $20,923 NZD at NZ Jewellers · As of September 26, 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 J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 761525700. Listed at 12 retailers as of October 29, 2026, with a 70% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.5°
OriginNatural
Grading LabIGI
CertificateIGI 761525700
Dimensions8.57 × 8.65 × 5.30 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
8.57 mm8.65 mm2.50 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 761525700
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.0%

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: Oct 30
Current: $23,884 NZD|Low: $9,805 NZD|High: $23,884 NZD|Avg: $15,498 NZD
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
October 30, 2026
Retailer 6$9,805 NZD
Retailer 9$10,080 NZD
Retailer 7$11,523 NZD
Retailer 11$11,937 NZD
Retailer 2$12,285 NZD
Retailer 10$12,544 NZD
Retailer 5$14,281 NZD
Retailer 3$15,221 NZD
Retailer 4$15,653 NZD
Retailer 8$16,652 NZD
Retailer 12$20,396 NZD
Retailer 13$20,448 NZD
NZ Jewellers$23,884 NZD

28 data points across 13 retailers

12 retailers$9,805 NZD to $16,652 NZD

A
Cheapest Retailer
-
$9,805 NZD
$5,526 USD
A
Retailer 2
-
$10,080 NZD
$5,681 USD
View
A
Retailer 3
-
$11,523 NZD
$6,494 USD
View
A
Retailer 4
-
$12,285 NZD
€6,594 EUR
View
Retailer 5
-
$12,509 NZD
$7,050 USD
View
Price last confirmed 32 days ago
Retailer 6
-
$12,544 NZD
$7,070 USD
View
Price last confirmed 31 days ago
Retailer 7
-
$12,702 NZD
$7,159 USD
View
Price last confirmed 32 days ago
Retailer 8
-
$14,434 NZD
$8,135 USD
View
Price last confirmed 32 days ago
Retailer 9
-
$15,653 NZD
$8,822 USD
View
Price last confirmed 63 days ago
A
Retailer 10
-
$16,652 NZD
£7,390 GBP
View
Retailer 11
-
$20,396 NZD
$11,495 USD
View
Price last confirmed 37 days ago
Most Expensive
NZ Jewellers
ad8e0997-2679-43f7-b4e6-e3dc7cd08e27 · Sep 26
$20,923 NZD
$11,792 USD
View
Price last confirmed 34 days ago
11 more retailers have this diamond
Prices start from $9,805 NZDSave up to $6,848 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
$9,805 NZD