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Princess|Natural|IGI

2.50ct I SI1 Princess Natural Diamond

EX • I/SI1 • IGI 667428909

Shape and cutting style on the report: Princess cut

Certificate IGI 667428909

Diamond specifications and retailer prices

From $9,314 USD
₹887,032 INR
As of November 2, 2026
Save $6,320 USD (40%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $16,684 USD at NZ Jewellers · As of September 27, 2026
View at NZ Jewellers

About this 2.5ct natural princess diamond

This 2.5ct natural princess sits in the two to three carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 667428909. Listed at 21 retailers as of November 2, 2026, with a 68% 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
I
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.7°
Pavilion angle40.9°
OriginNatural
Grading LabIGI
CertificateIGI 667428909
Dimensions7.54 × 7.54 × 5.46 mm
L/W Ratio1.00
Culet sizePointed
Top View
7.54 mm7.54 mm2.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 667428909
Side View
Table 72.0%Crown 39.7°Girdle: MediumPavilion 40.9°Culet: NoneDepth 72.4%

Caratlytics Score

How it works →
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: Nov 2
Current: $11,027 USD|Low: $9,295 USD|High: $15,822 USD|Avg: $11,552 USD|-2.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 3, 2026
Retailer 5$9,314 USD
Retailer 10$9,855 USD
Retailer 3$10,190 USD
Retailer 1$11,027 USD
Retailer 11$11,048 USD
Retailer 2$11,049 USD
Retailer 6$11,517 USD
Retailer 4$12,154 USD
Retailer 7$12,609 USD
Retailer 9$13,841 USD
Retailer 8$15,634 USD

33 data points across 11 retailers

21 retailers$9,314 USD to $15,634 USD

A
Cheapest Retailer
-
$9,314 USD
₹887,032 INR
Retailer 2
-
$9,855 USD
View
Price last confirmed 12 days ago
A
Retailer 3
-
$10,190 USD
View
A
Retailer 4
-
$10,252 USD
View
A
Retailer 5
-
$10,905 USD
View
A
Retailer 6
-
$10,990 USD
A$16,908 AUD
View
A
Retailer 7
-
$11,027 USD
£8,683 GBP
View
A
Retailer 8
-
$11,048 USD
View
Final sale: no returns
Retailer 9
-
$11,049 USD
View
Price last confirmed 22 days ago
A
Retailer 10
-
$11,517 USD
£9,068 GBP
View
Retailer 11
-
$11,970 USD
View
Price last confirmed 49 days ago
Retailer 12
-
$11,970 USD
View
Price last confirmed 35 days ago
Retailer 13
-
$11,970 USD
View
Price last confirmed 21 days ago
A
Retailer 14
-
$12,154 USD
View
A
Retailer 15
-
$12,609 USD
€12,009 EUR
View
Retailer 16
-
$13,812 USD
View
Price last confirmed 34 days ago
Retailer 17
-
$13,812 USD
View
Price last confirmed 45 days ago
A
Retailer 18
-
$13,841 USD
ZAR 223,605 ZAR
View
B+
Retailer 19
-
$15,634 USD
£12,310 GBP
View
Retailer 20
-
$16,684 USD
View
Price last confirmed 46 days ago
Most Expensive
NZ Jewellers
44749cfd-c273-47b7-a861-8c225c79ef77 · Sep 27
$16,684 USD
View
Price last confirmed 36 days ago
20 more retailers have this diamond
Prices start from $9,314 USDSave up to $6,320 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 Princess
$9,314 USD