CaratHunter
Plans
Round|Natural|IGI

2.50ct J SI1 Round Natural Diamond

EX • J/SI1 • IGI 627491798

Shape and cutting style on the report: Round brilliant

Certificate IGI 627491798

Diamond specifications and retailer prices

From €10,692 EUR
$11,945 USD
As of November 1, 2026
Save €7,035 EUR (40%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €17,727 EUR 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 627491798. Listed at 14 retailers as of October 30, 2026, with prices from €10,692 to €17,727, a €7,035 spread on the same certified stone. NZ Jewellers lists it at €17,727. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle41.7°
OriginNatural
Grading LabIGI
CertificateIGI 627491798
Dimensions8.69 × 8.65 × 5.34 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
8.69 mm8.65 mm2.50 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 627491798
Side View
Table 61.0%Crown 33.3°Girdle: MediumPavilion 41.7°Culet: NoneDepth 61.6%

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: €16,390 EUR|Low: €9,784 EUR|High: €16,588 EUR|Avg: €12,388 EUR|-0.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 7€10,692 EUR
Retailer 3€10,755 EUR
Retailer 9€10,892 EUR
Retailer 8€11,251 EUR
Retailer 5€11,496 EUR
Retailer 2€11,741 EUR
Retailer 10€12,719 EUR
Retailer 11€13,208 EUR
Retailer 4€13,343 EUR
Retailer 6€14,707 EUR
Retailer 1€16,390 EUR

41 data points across 11 retailers

14 retailers€10,692 EUR to €17,727 EUR

A
Cheapest Retailer
-
€10,692 EUR
$11,945 USD
A
Retailer 2
-
€10,892 EUR
$12,169 USD
View
B+
Retailer 3
-
€11,251 EUR
$12,570 USD
View
Final sale: no returns
A
Retailer 4
-
€11,496 EUR
£10,113 GBP
View
B+
Retailer 5
-
€11,542 EUR
$12,895 USD
View
B+
Retailer 6
-
€11,741 EUR
$13,117 USD
View
B+
Retailer 7
-
€12,523 EUR
$13,991 USD
View
B+
Retailer 8
-
€12,719 EUR
$14,210 USD
View
B+
Retailer 9
-
€13,033 EUR
$14,560 USD
View
B+
Retailer 10
-
€13,208 EUR
$14,756 USD
View
B+
Retailer 11
-
€13,343 EUR
View
B+
Retailer 12
-
€14,707 EUR
ZAR 265,446 ZAR
View
B
Retailer 13
-
€16,390 EUR
£14,418 GBP
View
Most Expensive
B
NZ Jewellers
74914770-8ded-41e5-93fc-02570bf561b4 · Oct 30
€17,727 EUR
$19,805 USD
View
13 more retailers have this diamond
Prices start from €10,692 EURSave up to €7,035 EUR

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
€10,692 EUR