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 $7,867 AUD
$5,526 USD
As of October 30, 2026
Save $5,494 AUD (41%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $16,787 AUD 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: $19,163 AUD|Low: $7,867 AUD|High: $19,163 AUD|Avg: $12,472 AUD
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$7,867 AUD
Retailer 9$8,087 AUD
Retailer 7$9,245 AUD
Retailer 2$9,857 AUD
Retailer 4$10,046 AUD
Retailer 10$10,065 AUD
Retailer 5$11,459 AUD
Retailer 13$12,213 AUD
Retailer 3$12,559 AUD
Retailer 8$13,361 AUD
Retailer 11$16,364 AUD
Retailer 12$16,406 AUD
NZ Jewellers$19,163 AUD

28 data points across 13 retailers

12 retailers$7,867 AUD to $13,361 AUD

A
Cheapest Retailer
-
$7,867 AUD
$5,526 USD
A
Retailer 2
-
$8,087 AUD
$5,681 USD
View
A
Retailer 3
-
$9,245 AUD
$6,494 USD
View
A
Retailer 4
-
$9,857 AUD
€6,594 EUR
View
Retailer 5
-
$10,036 AUD
$7,050 USD
View
Price last confirmed 31 days ago
Retailer 6
-
$10,065 AUD
$7,070 USD
View
Price last confirmed 31 days ago
Retailer 7
-
$10,192 AUD
$7,159 USD
View
Price last confirmed 31 days ago
Retailer 8
-
$11,581 AUD
$8,135 USD
View
Price last confirmed 31 days ago
Retailer 9
-
$12,559 AUD
$8,822 USD
View
Price last confirmed 62 days ago
A
Retailer 10
-
$13,361 AUD
£7,390 GBP
View
Retailer 11
-
$16,364 AUD
$11,495 USD
View
Price last confirmed 36 days ago
Most Expensive
NZ Jewellers
ad8e0997-2679-43f7-b4e6-e3dc7cd08e27 · Sep 26
$16,787 AUD
$11,792 USD
View
Price last confirmed 33 days ago
11 more retailers have this diamond
Prices start from $7,867 AUDSave up to $5,494 AUD

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
$7,867 AUD