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2.50ct I SI2 Round Natural Diamond

EX • I/SI2 • IGI 773616555

Shape and cutting style on the report: Round brilliant

Certificate IGI 773616555

Diamond specifications and retailer prices

From $10,249 USD
₹976,108 INR
As of November 1, 2026
Save $8,894 USD (46%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $19,143 USD at NZ Jewellers · As of October 30, 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 773616555. Listed at 17 retailers as of October 30, 2026, with prices from $10,249 to $19,143, a $8,894 spread on the same certified stone. NZ Jewellers lists it at $19,143. 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
I
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 773616555
Dimensions8.66 × 8.59 × 5.33 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
8.66 mm8.59 mm2.50 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 773616555
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.7%

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: $19,143 USD|Low: $9,803 USD|High: $19,143 USD|Avg: $13,309 USD|+4.4%
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
November 1, 2026
Retailer 2$10,249 USD
Retailer 6$11,500 USD
Retailer 15$11,611 USD
Retailer 3$11,762 USD
Retailer 7$12,149 USD
Retailer 13$12,678 USD
Retailer 4$13,523 USD
Retailer 11$13,734 USD
Retailer 5$14,071 USD
Retailer 8$14,089 USD
Retailer 10$14,127 USD
Retailer 12$14,263 USD
Retailer 14$14,311 USD
Retailer 9$17,937 USD
NZ Jewellers$19,143 USD

38 data points across 15 retailers

17 retailers$10,249 USD to $19,143 USD

A
Cheapest Retailer
-
$10,249 USD
₹976,108 INR
A
Retailer 2
-
$11,500 USD
View
A
Retailer 3
-
$11,611 USD
View
A
Retailer 4
-
$11,762 USD
View
A
Retailer 5
-
$12,149 USD
View
Final sale: no returns
A
Retailer 6
-
$12,678 USD
View
Retailer 7
-
$13,159 USD
View
Price last confirmed 51 days ago
Retailer 8
-
$13,523 USD
View
Price last confirmed 7 days ago
Retailer 9
-
$13,665 USD
View
Price last confirmed 33 days ago
A
Retailer 10
-
$13,734 USD
View
B+
Retailer 11
-
$14,071 USD
View
B+
Retailer 12
-
$14,089 USD
€13,418 EUR
View
A
Retailer 13
-
$14,127 USD
£11,123 GBP
View
A
Retailer 14
-
$14,263 USD
View
A
Retailer 15
-
$14,311 USD
View
B+
Retailer 16
-
$17,937 USD
£14,124 GBP
View
Most Expensive
B+
NZ Jewellers
abdbfccd-b8f3-4b66-a56a-3eb346447a08 · Oct 30
$19,143 USD
View
16 more retailers have this diamond
Prices start from $10,249 USDSave up to $8,894 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
$10,249 USD