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 $5,630 USD
As of October 26, 2026
Save $3,755 USD (40%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $11,792 USD 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 26, 2026, with a 67% 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
Color
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

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 26
Current: $13,461 USD|Low: $5,630 USD|High: $13,461 USD|Avg: $8,778 USD
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 29, 2026
Retailer 9$5,630 USD
Retailer 6$5,681 USD
Retailer 8$6,614 USD
Retailer 7$6,913 USD
Retailer 4$7,057 USD
Retailer 10$7,070 USD
Retailer 5$8,049 USD
Retailer 13$8,579 USD
Retailer 3$8,822 USD
Retailer 2$9,385 USD
Retailer 11$11,495 USD
Retailer 12$11,525 USD
NZ Jewellers$13,461 USD

28 data points across 13 retailers

12 retailers$5,630 USD to $9,385 USD

A
Cheapest Retailer
-
$5,630 USD
A
Retailer 2
-
$5,681 USD
View
A
Retailer 3
-
$6,614 USD
View
A
Retailer 4
-
$6,913 USD
€6,584 EUR
View
A
Retailer 5
-
$7,050 USD
View
Price last confirmed 30 days ago
A
Retailer 6
-
$7,070 USD
View
Price last confirmed 29 days ago
A
Retailer 7
-
$7,159 USD
View
Price last confirmed 29 days ago
A
Retailer 8
-
$8,135 USD
View
Price last confirmed 29 days ago
B+
Retailer 9
-
$8,822 USD
View
Price last confirmed 61 days ago
A
Retailer 10
-
$9,385 USD
£7,390 GBP
View
B+
Retailer 11
-
$11,495 USD
View
Price last confirmed 34 days ago
Most Expensive
B+
NZ Jewellers
ad8e0997-2679-43f7-b4e6-e3dc7cd08e27 · Sep 26
$11,792 USD
View
Price last confirmed 32 days ago
11 more retailers have this diamond
Prices start from $5,630 USDSave up to $3,755 USD

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
$5,630 USD