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Round|Natural|GIA

2.50ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 1568303599

Certificate GIA 1568303599

Diamond specifications and retailer prices

From €9,131 EUR
As of November 5, 2026
Save €8,257 EUR (47%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €17,389 EUR at With Clarity · As of November 4, 2026
View at With Clarity

About this 2.5ct natural round diamond

This 2.5ct natural round sits in the two to three carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1568303599. Listed at 11 retailers as of November 4, 2026, with prices from €9,131 to €17,389, a €8,257 spread on the same certified stone. With Clarity lists it at €17,389. 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
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1568303599
Dimensions8.63 × 8.59 × 5.40 mm
L/W Ratio1.00
Culet sizeNone
Top View
8.63 mm8.59 mm2.50 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1568303599
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NDepth 62.7%

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 5
Current: €12,290 EUR|Low: €9,081 EUR|High: €17,041 EUR|Avg: €11,713 EUR|+1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
With Clarity
November 5, 2026
Retailer 3€9,131 EUR
Retailer 2€9,704 EUR
Retailer 4€10,424 EUR
Retailer 8€10,483 EUR
Retailer 10€10,530 EUR
Retailer 6€10,725 EUR
Retailer 1€12,290 EUR
Retailer 9€12,297 EUR
Retailer 5€12,389 EUR
Retailer 7€12,812 EUR
With Clarity€17,041 EUR

26 data points across 11 retailers

11 retailers€9,131 EUR to €17,389 EUR

A
Cheapest Retailer
-
€9,131 EUR
A
Retailer 2
-
€9,704 EUR
View
A
Retailer 3
-
€10,424 EUR
View
A
Retailer 4
-
€10,483 EUR
View
A
Retailer 5
-
€10,530 EUR
View
A
Retailer 6
-
€10,725 EUR
View
B+
Retailer 7
-
€12,290 EUR
View
B+
Retailer 8
-
€12,297 EUR
View
B+
Retailer 9
-
€12,389 EUR
View
B+
Retailer 10
-
€12,812 EUR
View
Most Expensive
B
With Clarity
1568303599 · Nov 4
€17,389 EUR
$19,517 USD
View
10 more retailers have this diamond
Prices start from €9,131 EURSave up to €8,257 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
€9,131 EUR